List of publications

List of publications

(Károly Lázár)

Editor:

2.  ISIAME 2008,
Proceedings of the International  Symposium on the Industrial Applications of the Mössbauer Effect, (ISIAME 2008, August, 17-22, Budapest), Eds: E. Kuzmann, K. Lázár, (also Hyperfine Interactions, vols. 189-192) Springer, (2009) 597 pages.

1.  Applications of the Mössbauer Effect,
    Proceedings of the International Conference on the Applications of the Mössbauer Effect, (ICAME '89, Sept, 4-8, 1989. Budapest) Vol. 1-6, Eds: D.L. Nagy, K. Lázár, Zs. Kajcsos; Publ: J.C. Baltzer, A.G. Basel (also Hyperfine Interactions, vols. 54-59),  (1990)  2787 pages.

 Other publications:

2013

202.  Á. Szegedi, M. Popova, K. Lázár, S. Klébert, E. Drotár,
Impact of silica structure of copper and iron-containing SBA-15 and SBA-16 materials on toluene oxidation,
Microporous and Mesoporous Materials, (2013) DOI: 10.1016/j.micromeso.2013.04.024

201.  M. Popova, A. Ristic, K. Lázár, D. Maucec, M. Vassileva, N. Novak Tusar,
Iron-functionalized silica nanoparticles as a highly efficient adsorbent and catalyst for toluene oxidation in the gas phase,
ChemCatChem, 5 (2013) 986-993.

200.  K. Lázár,
   Mössbauer spectroscopy in catalysis,
   Hyperfine Interactions,  217 (2013) 57-65.

199.  T.Q. Dong, K. Lázár, K. Havancsák, Zs. Kajcsos,
   o-Ps lifetimes in iron containing micro- and mesoporous media,
   Materials Science Forum,  733 (2013) 197-202.

2012

198.  T. Birsa Celic, M. Rangus, K. Lázár, V. Kaucic, N. Zabukovec Logar,
Spectroscopic evidence for the structure directing role of the solvent  in the synthesis of two iron carboxylates,
Angewandte Chemie International Edition, 51 (2012) 12490-12494.

197.  K. Lázár, Z. Máthé, J. Megyeri, É. Széles, Zs. Mácsik, J. Suksi., 
Redox properties of clay minerals and sorption of uranyl species on Boda claystone,
in: 4th Annual Workshop Proceedings of the Collaborative Project "Redox Phenomena Controlling Systems" (7th EC FP CP ReCosy), eds: M. Altmaier, B., Kienzler, L. Duro, M. Grivé, V. Montoya, KIT Scientific Reports 7626 (2012) 231-239.

196.  K. Lázár, T. Belgya,  E. Csapó, I. Dékány, V. Hornok, S. Stichleutner,
   In-beam Mössbauer -spektroszkópia,
   Nukleon 5 (2012)  120.

195.  K. Lázár,
   Study of catalysts by Mössbauer spectroscopy,
   Mössbauer Effect Reference and Data Journal, 35 (2012) 134-142.

194. T.J. Vulic, A.F.K. Reitzmann, K. Lázár,
   Thermally activated iron containing layered double hydroxides as potential catalyst for N2O abatement,
   Chemical Engineering Journal, 207-208 (2012) 7-13. 

193.  K. Lázár, Z. Máthé, 
 Claystone as a potential host rock for nuclear waste storage, Chapter 4 in: Clay Minerals in Nature - Their Characterisation Modification and Application (ed: M. Valaskova)  Intech (2012)  55-80.  (open access)

192.  A. Saini, L. Kótai, I.E. Sajó, I.M. Szilágyi, K. Lázár, Z. May, P. Fazekas, I. Gács, V. Sharma, K.K. Banerji,
 Solid phase sulfatizing of zinc ferrite spinel with iron sulphates as an environmental friedly way of recovering zinc,
European Chemical Bulletin, 1 (2012) 7-13.  

191.  K. Lázár,
Transition metal ion in zeolites: case of iron,  Chapter 11 in: Zeolites: Synthesis, Chemistry and Applications (Eds: M.K. Andreyev and O.L. Zubkov), Novapublishers, 2012,   251-260  (open access - pdf

190. M. Popova, Á. Szegedi, K. Lázár, Z. Károly
The physico-chemical and catalytic properties of ferrite-containing MCM-41 and SBA-15 materials,
Microporous and Mesoporous Materials, 151 (2012) 180-187. 

189.  K. Lázár,
Environmental Applications: Catalysts and removal or re-cycling of by products,
Hyperfine Interactions, 206 (2012) 51-61.

2011

188.  K. Lázár, J. Megyeri, Z. Mácsik, É. Széles, Z. Máthé,
Migration of uranyl ions in Boda Claystone samples,
in: 3rd Annual Workshop Proceedings of the Collaborative Project "Redox Phenomena Controlling Systems", Eds.: M. Altmaier, B. Kienzler, L. Duro, M. Grivé, V. Montoya, KIT Scientific Reports, 7603 (2011) 91-97. 

187. Á. Szegedi,  M. Popova, K. Lázár, 

     Influence of the acid/base and redox properties of catalysts in the gas-phase dehydration-dehydrogenation of cyclohexanol on iron and titania containing mesoporous materials,

     Reaction Kinetics, Mechanisms and Catalysis, 104 (2011) 291-301. 

186. M. Popova, Á. Szegedi, K. Lázár, A. Dimitrova,
Dehydrogenation of cyclohexanol on Fe,Ti-MCM-41 mesoporous materials,
Catalysis Letters, 141 (2011) 1288 - 1296. 

185. A. Ristic, K. Lázár, H. Solt, F. Lónyi, V. Kaucic,
The influence of microwave-assisted synthesis on nanocrystalline iron silicalite-1 particles,
CrystEngComm, 13 (2011) 1946 - 1952.

184. Z. Paál, A. Wootsch, D. Teschner, K. Lázár, I.E. Sajó, N. Győrffy, G. Weinberg, A. Knop-Gericke, R. Schlögl, 
Structural properties of an unsupported model Pt-Sn catalyst and its catalytic properties in cyclohexene transformation,
Applied Catalysis, A:General, 391 (2011) 377 - 385. 

2010


183. K. Lázár, Z. Máthé and M. Földvári,
Various redox conditions in Boda Claystone as reflected in the change of Fe2+/Fe3+ ratio in clay minerals,
Journal of Physics: Conference Series
217 (2010) 012053

182. K. Lázár,
Application of Mössbauer spectroscopy to distinguish among local environments of iron in porous silicates, in: Silica and Silicates in Modern Catalysis, (Ed: I. Halasz), Transworld Research Network, ISBN: 978-81-7895-455, (2010) , p. 81 – 101.

181. K. Lázár, J. Megyeri, Z. Máthé,
Lack of redox response in some cases on Boda Claystone samples as reflected in the Fe2+/Fe3+ ratio in minerals,
In: 2.nd Annual Workshop Proceedings, EU FP7 - "Redox Phenomena Cotrolling Systems", Eds.: G. Buckau, B. Kienzler, L. Duro, M. Grivé, V. Montoya, - KIT Scientific Reports, 7557 (2010) 193 - 200. 

180. A. Ristic, K. Lázár, D. Maucec, H. Solt, F. Lónyi, V. Kaucic,
Investigations on isomorphously substitited iron in Fe-beta and Fe-Silicalite-1,
in: Proceedings of 3rd Croatian-Slovenian Symp. on Zeolites, Eds: T.A. Jelic, N.Z. Logar, Zagreb, 2010.   pp. 97 - 100.

2009

179. K. Lázár, Z. Máthé, M. Földvári,
      Redox transitions in Boda Albitic Claystone under natural conditions: variations in the Fe2+/Fe3+ ratio of clay minerals,
      in: EURATOM FP7 Collaborative Project "Redox Phenomena Controlling Systems", 1st Annual Workshop Proceedings,
      (Eds: G. Buckau, B. Kienzler, L. Duro, M. Grivé, V. Montoya),  Wissenschaftliche Berichte, FZKA 7466, Forschungszentrum Karlsruhe,
      2009, p. 131 - 137. 

178. F. Somodi, I. Borbáth, M. Hegedűs, K. Lázár, I.E. Sajó, O. Geszti, S. Rojas, J.L.G. Fierro, J.L. Margitfalvi,
      Promoting effect of tin oxides on alumina-supported gold catalysts used in CO oxidation,
      Applied Surface Science, 256 (2009) 726 - 736.

177. Lázár Károly,  Máthé Zoltán, Megyeri János, Mell Péter, Szarvas Tibor,
      Izotópmigrációs vizsgálatok a Bodai Aleurolit Formáció kőzetmintáin, 
      Magyar Kémiai Folyóirat, 115 (2009) 129 - 133.

176.  A.T. Luu, Zs. Kajcsos, N.D. Thanh, T.Q. Dung, M.V. Nhon, K. Lázár, K. Havancsák, G. Huhn, Z.E. Horváth, T.D. Tap, L.T. Son, P.T. Phuc,
      Multi-wall carbon nanotubes investigated by positron annihilation techniques and microscopies for further production handling,
      Physica Status Solidi C, 6 (2009) 2578 – 2581.

175. Zs. Kajcsos, L. Liszkay, G. Duplatre, L. Varga, L. Lohonyai, C. Kosanovic, S. Bosnar, B. Subotic, K. Lázár, D. Bosnar, K. Havancsák, P.M. Gordo,         Critical parameters of positron and positronium annihilation in grainy and porous solids: Ionic crystals and zeolites,
      Physica Status Solidi C, 6 (2009) 2540 - 2545,

174. K. Lázár, J. Megyeri, Jean-Claude Parneix, Z. Máthé, T. Szarvas,
Diffusion of anionic species (99TcO4-, H14CO3-) and HTO in Boda Claystone borecore samples,
in: 4th Annual Workshop Proceeedings of the Integrated Project „Fundamental Processes of Radionuclide Migration (6th EC FP IP FUNMIG), Eds: G. Buckau, L. Duro, B. Kienzler, Wissenschaftliche Berichte FZKA 7461, Forschungszentrum Karlsruhe, 2009,  pp. 199 – 204.

173. K. Lázár,
Characterization of iron sites in porous ferrisilicates by in situ Mössbauer spectroscopy,
in: Proceedings of 2nd Slovenian-Croatian Symposium on Zeolites, Eds: J. Bronic, N.N. Tusar,
ISBN 978-953-55373-1-1, Croatian Zeolite Association, Zagreb, 2009.  pp. 21 – 27.

172. L. Guczi, K. Lázár,
Mössbauer spectroscopy in heterogeneous catalysis: a brief overview and recent study on paramagnetic features detected in catalytic centres of Fe-ZSM-5,
Reaction Kinetics and Catalysis Letters, 96 (2009) 335 – 343.

171. K. Lázár, A. Tomasevic, G. Boskovic, E. Kiss,
Comparison of Fe-AlPILC and Fe-ZSM-5 catalysts used for degrdation of methomyl,
Hyperfine Interactions, 192 (2009) 23 – 29.

170. F. Somodi, I. Borbáth, J.L. Margitfalvi, S. Stichleutner, K. Lázár,
Study of Au/SnOx-Al2O3 catalysts used in CO oxidation by in situ Mössbauer spectroscopy,
Hyperfine Interactions, 192 (2009) 13 - 21.

169. K. Lázár, Z. Máthé, M. Földvári, T. Németh, P. Mell,
Various stages of oxidation of chlorite as reflected in the Fe2+ and Fe3+ proportions in the Mössbauer spectra of minerals in Boda Claystone,
Hyperfine Interactions, 190 (2009) 129 – 133.

168. E. Fazakas, S.N. Kane, K. Lazar, L.K. Varga,
Mössbauer study of rapidly solidified Al-Fe based amorphous alloys,
Hyperfine Interactions, 189 (2009) 119 – 123.

167. Zs. Kajcsos, C. Kosanovic, S. Bosnar, B. Subotic, P. Major, L. Liszkay, D. Bosnar, K. Lázár, H. Havancsák, A.T. Luu, N.D. Thanh,
Monitoring the crystallisation stages of silicalite by positron lifetime spectroscopy,
Materials Science Forum, 607 (2009) 173 – 176.

2008

166. K. Lázár, J. Megyeri, T. Szarvas, J.C. Parneix, Z. Máthé,
Diffusion of HTO, 99TcO4- and H14CO3- in Boda Claystone samples: Composition, porosity and break-through measurements,
in: 3rd Annual Workshop Proceedings, 6th EC FP FUNMIG IP  (Eds: G. Buckau, B. Kienzler, L. Duro) – NDA report, 2008, 185-190.

165. V. Ramaswamy, P. Shah, K. Lazar, A.W. Ramaswamy,
Synthesis, characterisation and catalytic activity of Sn-SBA-15 mesoporous molecular sieves,
Catal. Surv. Asia, 12 (2008) 283-309.

164. K. Lázár, C. Vincent, P. Fejes,
Variety of available coordination sites for extra-framework iron in LTA and MFI zeolites,
Hyperfine Interactions, 187 (2008) 1 - 6.

 163. C. Kosanovic, S. Bosnar, B. Subotic, K. Lázár, N. Novak Tusar, N. Tomasic, Zs. Kajcsos,
57Fe Mössbauer study of iron distribution in zeolite A during zeolite crystallization process,
Stud. Surf. Sci. Catal., 174 (2008) 929 – 932.

162. M. Derewinski, K. Góra-Marek, K. Lázár, J. Datka,
Nature of active sites in thge Fe-TON zeolites: Mössbauer and IR studies,
Stud. Surf. Sci. Catal., 174 (2008) 865 – 868.

161. S. Bosnar, C. Kosanovic, B. Subotic, D. Bosnar, Zs. Kajcsos, L. Liszkay, L. Lohonyai, P. Major, B. Molnár, K. Lázár,
The influence of alkali cations on the structure of zeolite precursor gels investigated by positron lifetime spectroscopy,
Stud. Surf. Sci. Catal., 174 (2008) 793 – 798.

160. P. Fejes, V. Kis, K. Lázár, I. Marsi, J.B. Nagy,
Various nano-size iron oxide polymorphs on mesoporous supports I. New mesoporous catalyst supports synthesized in acidic and alkaline media,
Microporous and Mesoporous Materials, 112 (2008) 377 - 391

159. T. Belgya, K. Lázár,
First experiments on a new in-beam Mössbauer spectroscopy station at the Budapest Research Reactor,
Journal of Radioanalytical and Nuclear Chemistry, 276 (2008) 269-272.

158. P. Major, Zs. Kajcsos, L. Liszkay, C. Kosanovic, S. Bosnar, B. Subotic, K. Lázár, V.A. Skuratov, K. Havancsák, P.M. Gordo and M.F. Ferreira Marques,
Positron and Positronium Trapping in Heat Treated Zeolites (Ceramics), the Effect of Swift Heavy Ion Irradiation,
Acta Physica Polonica,
113 (2008) 1441-1446.

157. R.M. Mihályi, K. Lázár, M. Kollár, F. Lónyi, G. Pál-Borbély, Á. Szegedi,
Structure, acidity and redox properties of MCM-22 ferrisilicate
Microporous and Mesoporous Materials 110 (2008) 51–63.

2007

156. Zs. Kajcsos, C. Kosanovic, L. Liszkay, P. Major, L. Lohonyai, P. Zalán, K. Lázár, S. Bosnar, B. Subotic, D. Bosnar, K. Havancsák, P.M. Gordo, N. Tomasic,
Positron and positronium annihilation patterns in zeolites and bulk ceramics,
phys. stat. sol. (c) 4 (2007) 3810 – 3813.

155. K. Lázár, J. Megyeri, Z. Máthé,
Diffusion of anionic species in borecore samples of Boda claystone formation,
SKB Technical Report (2007) TR-07-05 ,  p. 403 - 408.

154. K. Lázár, J. Megyeri, Z. Máthé,
Influence of the mineral composition and the groundwater pH on the diffusion of 99TcO4 and H14CO3 anions through borecore samples of Boda claystone,
SKB Technical Report (2007) TR-07-05,  p. 195 - 200.

153. M. Chamam, K. Lázár, L. Pirault-Roy, I. Boghian, Z. Paál, A. Wootsch,
Characterization and catalytic properties of Rh-Sn/Al2O3 catalyst prepared by organometallic grafting,
Appl. Catal., A, 332 (2007) 27 – 36.

152. N. Novak Tusar, A. Ristic, S. Cecowski, I. Arcon, K. Lázár, H. Amenitsch, V. Kaucic,
Local environment of isolated iron in mesoporous silicate catalyst FeTUD-1,
Microporous and Mesoporous Materials, 104 (2007) 289 – 295.

151. I.M. Vilella, I. Borbáth, J.L. Margitfalvi, K. Lázár, S.R. deMiguel, O.A. Scelza,
PtSn/SiO2 catalysts prepared by controlled surface reactions for citral hydrogenation in liquid phase,
Appl. Catal., A: General  326 (2007) 37 – 47.

150. G. Smit, K. Lázár, M.W.J. Crajé,
Influence of water vapour on low-temperature CO oxidation over Au/Fe2O3 catalyst
Croat. Chem. Acta 80 (2007) 141 – 145.

149. P. Shah, A.V. Ramaswamy, K. Lazar, Veda Ramaswamy,
Direct hydrothermal synthesis of mesoporous Sn-SBA-15 materials under weak acidic conditions,
Microporous and Mesoporous Materials, 100 (2007) 210 – 226.

148. S. Bosnar, C. Kosanovic, B. Subotic, D. Bosnar, Zs. Kajcsos, L. Liszkay, L. Lohonyai, B. Molnár, K. Lázár,
On the potential of positron lifetime spectroscopy for the study of early stages of zeolites formation from their amorphous precursors,
Radiation Physics and Chemistry, 76 (2007) 252 – 256

147. Zs. Kajcsos, L. Liszkay, G. Duplatre, K. Lázár, L. Lohonyai, L. Varga, P.M. Gordo, A.P. de Lima, C. Lopes de Gil, M.F. Ferreira Marques, D. Bosnar, S. Bosnar, C. Kosanovic, B. Subotic,
Competitive positron and positronium trapping in porous media,
Radiation Physics and Chemistry, 76 (2007) 231 – 236.

2006

146. E. Kiss, T. Vulic, A. Reitzmann, K. Lázár,
Photo-Fenton catalysis for wet peroxide oxidation of phenol on Fe-ZSM-5 catalyst,
Revue Roumaine de Chimie, 51 (2006) 931 – 936.

145. K. Lázár, G. Pál-Borbély, Á. Szegedi, P. Fejes, F. Martinez,
Siting and redox properties of iron in porous ferrisilicates,
Czechoslovak Journal of Physics, 56 (2006) E109 – E121.

144. T. Belgya, K. Lázár,
New in-beam Mössbauer spectroscopy station at the Budapest research reactor,
Hyperfine Interactions, 167 (2006) 875 – 879.

143. K. Lázár, O. Pozdnyakova, A. Wootsch, P. Fejes,
Iron ions in ZSM-5 zeolite: Fe3+ in framework, Fe2+ in extra-framework positios in catalytic N2O decomposition,
Hyperfine Interactions, 167 (2006) 779 – 784.

142.   G. Šmit, N. Strukan, M.W.J. Crajé, K. Lázár,
A comparative study of CO adsorption and oxidation on Au/Fe2O3 catalysts by FT-IR and in situ DRIFTS spectroscopies,
J. Mol. Catal, A: Chemical, 252 (2006) 163 – 170.

141.   G. Šmit, S. Zrnčevic, K. Lázár,
Adsorption and low-temperature oxidation of CO over iron oxides,
J. Mol. Catal, A: Chemical, 252 (2006) 103 – 106.

140.   P. Mell, J. Megyeri, L. Riess, Z. Máthé, G. Hámos, K. Lázár,
Diffusion of Sr, Cs, Co and I in argillaceous rock as studied by radiotracers,
J. Radioanal. Nucl. Chem., 268 (2006) 411 – 417.

 139.   P. Mell, J. Megyeri, L. Riess, Z. Máthé, J. Csicsák, K. Lázár,
Sorption of Co, Cs, Sr and I onto argillaceous rock as studied by radiotracers,
J. Radioanal. Nucl. Chem., 268 (2006) 405 – 410.

138.   A. Garron, K. Lázár, F. Epron,
Characterization by Mössbauer spectroscopy of trimetallic Pd-Sn-Au/Al2O3 and Pd-Sn-Au/SiO2 catalysts for denitration of drinking water,
Applied Catalysis B: Environmental, 65 (2006) 240 – 248.

 2005

137.   K. Lázár, Á. Szegedi, G. Pál-Borbély, A.N. Kotasthane, P. Fejes,
Changes in states of substituted iron in microporous (MFI analogue) and mesoporous (MCM-41) hosts exposed to redox conditions,
Catalysis Today, 110 (2005) 239 –246.

136.   P. Fejes, I. Kiricsi, K. Lazar, I. Marsi, R. Aiello, P. Frontera, L. Pasqua, F. Testa, L. Korecz, J.B. Nagy,
Spectroscopic characterization of Fe-BEA zeolite
Stud. Surf. Sci. Catal., 155 (2005) 239 – 247.

135.    N.N. Tusar, N.Z. Logar, I. Arcon, G. Mali, M. Mazaj, A. Ristic, K. Lázár, V. Kaucic,
Local environment of iron in the mesoporous hexagonal aluminophosphate catalyst,
Microporous and Mesoporous Materials, 87 (2005) 52 – 58.

134.   M. Trejda, K. Lázár, P. Decyk, Z. Fojud, S. Jurga and M. Ziolek,
Generation of iron active species in MCM-41 materials,
Studies in Surface Science and Catalysis, 158 (2005) 829 – 836.

133.  K. Lázár, Á. Szegedi, F. Martinez, R. Molina, P. Fejes,
Stabilization of iron in micro- and mesoporous ferrisilicates (MFI, MCM-22, SBA-15 and MCM-41) as detected by in situ Mössbauer spectroscopy,
Studies in Surface Science and Catalysis, 158 (2005) 733 – 740.

132. Zs. Kajcsos, L. Liszkay, G. Duplatre, L. Varga, L. Lohonyai, F. Pászti, E. Szilágyi, K. Lázár, E. Kótai, G. Pál-Borbély, H.K. Beyer, P. Caullet, J. Patarin, M.E. Azenha, P.M. Gordo, C. Lopes Gil, A.P. de Lima, M.F. Ferreira Margues,
Positronium trapping in porous solids: Means and limitations for structural studies,
Acta Physica Polonica A , 107 (2005) 729 – 737.

131. A. Garron, K. Lázár, F. Epron,
Effect of the support on tin distribution in Pd-Sn/Al2O3 and Pd-Sn/SiO2 catalysts for application in water denitration,
Applied Catalysis B: Environmental, 59 (2005) 57 – 69.

130. E.E. Kiss, T.J. Vulic, G.C. Boskovic, A.F.K. Reitzmann, K. Lázár,
Influence of OH/metal ratio on the stability of AlFe-PILC catalyst for wet peroxide oxidation of phenol,
Reaction Kinetics and Catalysis Letters, 85 (2005) 11 – 19.

129.     W.D. Rhodes, J.L. Margitfalvi, I. Borbáth, K. Lázár, V.I. Kovalchuk, J.L. d’Itri,
Hydrogen-assisted 1,2-dichloroethane dechlorination catalyzed by Pt-Sn/SiO2 catalysts of different preparations,
J. Catalysis, 230 (2005) 86 – 97.

2004

128. J.A. Melero, G. Calleja, F. Martinez, R. Molina, K. Lázár,
Crystallization mechanism of Fe-MFI from wetness impregnated Fe2O3-SiO2 amorphous xerogels: Role of iron species in Fenton-like processes,
Microporous and Mesoporous Materials, 74 (2004) 11 - 21.

127. P. Shah, A.V. Ramaswamy, K. Lazar, V. Ramaswamy,
Synthesis and characterization of tin oxide-modified mesoporous SBA-15 molecular sieves and catalytic activity in trans-esterification reaction,
Appl. Catal., A: General, 273 (2004) 239 – 248.

126. Z. Kónya, I. Vesselényi, K. Lázár, J. Kiss, I. Kiricsi,
Comparison of Fe/Al2O3 and Fe,Co/Al2O3 catalysts used fr production of carbon nanotubes from Acetylene by CCVD,
IEEE Transactions on Nanotechnology, 3 (2004) 73 – 79.

125. Zs. Kajcsos, G. Duplatre, L. Liszkay, L. Lohonyai, L. Varga, K. Lázár, G. Pál-Borbély, H.K. Beyer, J-L. Paillaud,
Positron annihilation and positronium trapping in zeolites,
Materials Science Forum, 445-446 (2004) 239 - 243.

124. G. Centi, G. Giordano, P. Fejes, A. Katovic, K. Lazar, J.B. Nagy, S. Perathoner, F. Pino,
Active and spectator iron species in Fe/MFI catalysts for benzene selective hydroxylation with N2O,
Stud. Surf. Sci. Catal., 154 (2004) 2566 – 2574.

123. P. Shah, A.V. Ramaswamy, R. Paricha, K. Lazar, V. Ramaswamy
Incorporation of tin into mesoporous silica SBA-15 molecular sieves,
Stud. Surf. Sci. Catal., 154 (2004) 870 –877.

122 K. Lázár, G. Calleja, J.A. Melero, F. Martinez, R. Molina,
Influence of synthesis routes on the state of Fe-species in SBA-15 mesoporous materials,
Stud. Surf. Sci. Catal., 154 (2004) 805 – 812.

2003

121. Zs. Kajcsos, L. Liszkay, G. Duplatre, L. Lohonyai, L. Varga, K. Lázár, G. Pál-Borbély, H.K. Beyer, P. Caullet, J. Patarin, A.P. de Lima, C. Lopes Gil, P.M. Gordo, M.F. Ferreira Marques,
Positron and positronium in porous media: zeolites,
Radiation Physics and Chemistry, 68 (2003) 363 – 368

120. P. Fejes, K. Lázár, I. Marsi, A. Rockenbauer, L. Korecz, J.B. Nagy, S. Perathoner, G. Centi,
Isomorphously substituted Fe-ZSM-5 zeolites as catalysts. Causes of catalyst ageing as revealed by X-band EPR, Mössbauer and 29Si MAS NMR spectra,
Applied Catalysis A: General, 252 (2003) 75 – 90.

119.  a) Z. Kónya, I. Vesselényi, K. Lázár, J. Kiss, I. Kiricsi,
Comparison of Fe/Al2O3 and Fe,Co/Al2O3 catalysts used for production of carbon nanotubes from acetylene by CCVD,
Proc. SPIE – Int. Soc. Opt. Eng., 5118 (2003) 296 – 304.
       b) Z. Kónya, I. Vesselényi, K. Lázár, J. Kiss, I. Kiricsi,
Comparison of Fe/Al2O3 and Fe,Co/Al2O3 catalysts used for production of carbon nanotubes from acetylene by CCVD,
IEEE Transactions on Nanotechnology 3 (2004) 73 – 77.

118 P. Fejes, I. Kiricsi, K. Lázár, I. Marsi, A. Rockenbauer, L. Korecz, J.B. Nagy, R. Aiello, F. Testa,
Attempts to produce uniform Fe(III) siting in Fe-content ZSM-5 zeolites. Determination of framework/extra-framework ratio of Fe(III) in zeolites by EPR and Mössbauer spectroscopy,
Applied Catalysis, A: General  242 (2003) 247 – 66.

117. P. Fejes, I. Kiricsi, K. Lázár, I. Marsi, A. Rockenbauer, L. Korecz,
Attempts to produce uniform Fe(III) siting in Fe content SOD and LTA zeolites. An EPR and Mössbuer study,
Applied Catalysis, A: General  242 (2003) 63 – 76.

116.   B. Kazinczy, L. Kótai, I. Gács, I.E. Sajó, B. Sreedhar, K. Lázár,
Study of the preparation of zinc(II) ferrite and ZnO from zinc- and iron-containing industrial wastes,
Ind. Eng. Chem. Res., 42 (2003) 318 – 322.

115.   F. Testa, L. Pasqua, F. Crea, R. Aiello, K. Lázár, P. Fejes, P. Lentz, J.B. Nagy,
Synthesis of FE-MFI zeolites in fluoride-containing media,
Microporous and Mesoporous Materials, 57 (2003) 57 – 72.

2002

114.   K. Lázár, P. Fejes, G. Pál-Borbély, H.K. Beyer,
Comparison of states of substituted iron in MCM-41 and MFI molecular sieves under reaction conditions,
Hyperfine Interactions, 141-142 (2002) 387 – 390.

113.  P. Tétényi, K. Lázár, Z. Paál, L. Simándi,
Katalízis - tudomány és technológia,
Magyar Tudomány, 47 (2002)  1548-1556.

112.   K. Lázár, W.D. Rhodes, I. Borbáth, M. Hegedűs, J.L. Margitfalvi,
Reaction-induced transformations in Pt-Sn/SiO2 catalysts: In situ 119Sn Mössbauer study,
Hyperfine Interactions, 139 (2002) 87 – 96.

111.   K. Lázár, G. Pál-Borbély, Á. Szegedi, H.K. Beyer,
Coordination and oxidation states of iron incorporated in mesoporous MCM-41,
Hyperfine Interactions, 139 (2002) 19 – 31.

110.   W.D. Rhodes, K. Lázár, V.I. Kovalchuk, J.L. d’Itri,
Hydrogen-assisted 1,2-dichloroethane dechlorination catalysed by Pt-Sn/SiO2:
Effect of the Pt/Sn atomic ratio,
Journal of Catalysis, 211 (2002) 173 – 182.

109.   K. Lázár, G. Pál-Borbély, Á. Szegedi, H.K. Beyer,
Coordination and oxidation states of iron incorporated into MCM-41

Stud. Surf. Sci. Catal., 142 (2002) 1347 – 1354.

108.   S. Perathoner, F. Pino, G. Centi, G. Giordano, A. Katovic, J. B. Nagy, K. Lazar, P. Fejes,
One-step benzene oxidation to phenol. Part II: Catalytic behavior of Fe-(Al)MFI zeolites,
Stud. Surf. Sci. Catal., 142 (2002) 503 - 510.

107.   G. Giordano, A. Katovic, S. Perathoner, F. Pino, G. Centi, J. B. Nagy, K. Lazar, P. Fejes,
One-step benzene oxidation to phenol. Part I: Preparation and characterization of Fe-(Al)MFI type catalysts,
Stud. Surf. Sci. Catal., 142 (2002) 477 - 484.

106. K. Lázár, T. Mathew, Zs. Koppány, J. Megyeri, V. Samuel, S.P. Mirajkar, B.S. Rao, L. Guczi,
Cu1-xCoxFe2O4 ferrospinels in alkylation: Structural changes upon reaction,
Phys. Chem. Chem. Phys., 4 (2002) 3530-3536.

105. J.L. Margitfalvi, I. Borbáth, M. Hegedűs, Á. Szegedi, K. Lázár, S. Gőbölös, S. Kristyán,
Low temperature oxidation of CO over tin-modified Pt/SiO2 catalysts,
Catalysis Today, 73 (2002) 343 - 353

104. B. Kazinczy, L. Kótai, I.E. Sajó, S. Holly, K. Lázár, E. Jakab, I. Gács, K. Szentmihályi,
Phase relations and heat-induced chemical processes in sludges of hot-dip galvanization,
Industrial & Engineering Chemistry Research, 41 (2002) 720 – 725.

103. P. Fejes., I. Kiricsi, K. Kovács, K. Lázár, I. Marsi, A. Oszkó, A. Rockenbauer, Z. Schay,
Incorporation of iron in sodalite structures and their transformation into other iron containing zeolites. Synthesis of Fe-NaA(LTA)
Appl., Catal., A: General, 223 (2002) 147-160.

2001

102. K. Lázár, N. Micheaud, R.M. Mihályi, G. Pál-Borbély, H.K. Beyer,
Attempts to exchange iron into H-Y and H-ZSM-5 zeolites by in situ formed chlorine-containing mobile species,
React. Kinet. Catal. Lett., 74 (2001) 289-298.

101. Á. Szegedi, G. Pál-Borbély, K. Lázár,
Comparison of the redox properties of iron incorporated in different amounts into MCM-41,
React. Kinet. Catal. Lett., 74 (2001) 277-287.

100. J.L. Margitfalvi, I. Borbáth, K. Lázár, E. Tfirst, A. Szegedi, M. Hegedűs, S. Gőbölös,
In situ characterization of Sn-Pt/SnO2 catalysts used in low temperature oxidation of CO,
Journal of Catalysis, 203 (2001) 94-103.

99. Z. Kajcsos, L. Liszkay, G. Duplâtre, L. Varga, K. Lázár, G. Pál-Borbély, H.K. Beyer, L. Lohonyai, P. Caullet, J. Patarin,
Positrons and positronium in grainy and porous solids,
Acta Physica Polonica A, 99 (2001) 399-406.

98. L. Liszkay, Zs. Kajcsos, G. Duplâtre, K. Lázár, G. Pál-Borbély, H.K. Beyer,
Positronium interactions in synthetic zeolites: Effect of adsorbed water,
Materials Science Forum, 363-365 (2001) 377-379.

97. Zs. Kajcsos, G. Duplâtre, L. Liszkay, K. Lázár, L. Lohonyai, G. Pál-Borbély, H.K. Beyer, P. Caullet, J. Patarin,
Positrons and positronium in zeolites,
Materials Science Forum, 363-365 (2001) 238-243.

96. K. Lázár, N. Žilková, J. Čejka,
Valency and coordination states of iron in FeAPO-11. An in situ Mössbauer study.
Stud. Surf. Sci. Catal., 135 (2001) CD: 14-P-22, 7 pp.

95. G. Pál-Borbély, Á. Szegedi, K. Lázár, H.K. Beyer,
State and redox behavior of iron in MCM-41
Stud. Surf. Sci. Catal., 135 (2001) CD: 07-O-03, 9 pp.

94. F. Testa, F. Crea, R. Aiello, K. Lázár, P. Fejes, P. Lentz, J.B. Nagy,
Influence of alcali cations on the incorporation of iron into MFI structure in fluoride media
Stud. Surf. Sci. Catal., 135 (2001) CD: 04-P-17, 7 pp.

93. M. Warnken, K. Lázár, M. Wark,
Redox behaviour of SnO2 nanoparticles encapsulated in the pores of zeolites towards reductive gas atmospheres studied by in situ diffuse reflectance UV/VIS and Mössbauer spectroscopy
Physical Chemistry Chemical Physics, 3 (2001) 1870-1876.

92. U. Costantino, L. Szirtes, E. Kuzmann, J. Megyeri, K. Lázár,
Exchange of iron ions into layers of
a–zirconium phosphate,
Solid State Ionics, 141-142 (2001) 359-364.

91. P. Fejes, I. Kiricsi, Á. Kukovecz, K. Kovács, K. Lázár, I. Marsi, A. Oszkó, Gy. Bánvölgyi,
Incorporation of iron into sodalite structures and their transformation to other iron containing zeolite species (in Hungarian)
Magyar Kémiai Folyóirat, 107 (2001) 107-115.

2000

90. J.L. Margitfalvi, I. Borbáth, M. Hegedűs, E. Tfirst, S. Gőbölös, K. Lázár,
Low-temperature CO oxidation over new types of Sn-Pt/SiO2 catalysts,
Journal of Catalysis, 196 (2000) 200-204.

89. K. Lázár,
Study of migration of radionuclides in claystone considered as prospective media for nuclear waste disposal, in: Extrapolation of short term observations to time periods relevant to the isolation of long lived radioactive waste, (Eds. B. Kienzler, M. Raynal) IAEA-TECDOC-1177, IAEA 2000, pp. 57-61.

88. J.L. Margitfalvi, I. Borbáth, M. Hegedűs, S. Gőbölös, K. Lázár,
Low temperature oxidation over new type of Sn-Pt/SiO2 catalysts,
Recent Reports, 12th Int. Congr. Catal., (Granada, Spain, 9-14 July, 2000),
RR017, 4. pp.

87. Zs. Kajcsos, G. Duplâtre, L. Liszkay, I. Billard, A. Bonnefant, E. Azenha, K. Lázár, G. Pál-Borbély, P. Caullet, J. Patarin, L. Lohonyai,
Radiation Physics and Chemistry, 58 (2000) 709-714.

86. K. Lázár, A.J. Chandwadkar, P. Fejes, J. Cejka, A.V. Ramaswamy,
Valency changes of iron and tin in framework-substituted molecular sieves investigated by in situ Mössbauer spectroscopy,
J. Radioanal. Nucl. Chem., 246 (2000) 143-148.

85. P. Fejes, J.B. Nagy, K. Lázár, J. Halász,
Heat-treatment of isomorphously substituted ZSM-5 (MFI) zeolites
Appl. Catal., A:General,    190 (2000)  117-135.

1999

84. G. Duplâtre, Zs. Kajcsos, I. Billard, L. Liszkay, K. Lázár, L. Lohonyai, H.K. Beyer, P. Caullet, J. Patarin,
Free volumes in zeolites as probed by positrons,
Stud. Surf. Sci. Catal., 125 (1999) 277-284.

83. K. Lázár, J. Cejka,
Valency and coordination of iron in FeAlPO molecular sieves: an in situ Mössbauer study,
Stud. Surf. Sci. Catal., 125 (1999) 213-220.

82. K. Lázár, T.K. Das, K. Chaudhari, A.J. Chandwadkar,
Site preference and reducibility of substituted ferric iron in Fe-ETS-10,
Stud. Surf. Sci. Catal., 125 (1999) 301-306.

81. K. Chaudhari, T.K. Das, P.R. Rajmohanan, K. Lazar, S. Sivasanker, A.J. Chandwadkar,
Synthesis, characterization and catalytic properties of mesoporous tin-containing analogs of MCM-41,
Journal of Catalysis, 183 (1999) 281-291.

80. K. Lázár, A.N. Kotasthane, P. Fejes,
Oxygen transfer centers in Fe-FER and Fe-MFI zeolites: Redox behaviour and Debye temperature derived from in situ Mössbauer spectra,
Catalysis Letters, 57 (1999) 171-177.

79. L. Szirtes, K. Lázár, E. Kuzmann,
Effect of ionizing radiation on various zirconium phosphate derivatives,
Radiation Physics and Chemistry, 55 (1999) 583-587.

78. L. Takacs, A. Mossion, K. Lázár, K.L. Varga, M. Pardavi-Horvath, A. Bakhshai,
ZnO-Fe nanocomposites via ball milling and annealing,
Nanostructured Materials, 12 (1999) 245-248.

77. K. Lázár, H.K. Beyer, G. Onyestyák, B.J. Jönsson, L.K. Varga, S. Pronier,
Iron nanoparticles in X and Y zeolites,
Nanostructured Materials, 12 (1999) 155-158.

76. H.K. Beyer, G. Onyestyák, B.J. Jönsson, K. Matusek, K. Lázár,
Reduction of iron ions to the metallic state in X and Y zeolites by sodium azide,
in: Proc. 12th International Zeolite Conference (Eds: M.M.J. Treacy, B.K. Marcus, M.E. Bisher, J.B. Higgins) Materials Research Society, 1999. pp. 2875-2880.

75. K. Lázár, L.F. Kiss, S. Pronier, G. Onyestyák, H.K. Beyer,
Iron nanoparticles in X and Y zeolites prepared by reduction with NaN3,
in: Mössbauer Spectroscopy in Materials Science, (Eds: M. Miglierini and D. Petridis) Kluwer Academic Publ., 1999. pp. 291-298.

1998

74. K. Lázár, G. Lejeune, R.K. Ahedi, S.S. Shevade, A.N. Kotasthane,
Interpreting the oxidative catalytic activity in iron-substituted ferrierites using in situ Mössbauer spectroscopy,
J. Phys. Chem. B 102 (1998) 4865-4870.

73. C. Kappenstein, M. Guerin, K. Lázár, K. Matusek, Z. Paál,
Characterisation and activity in n-hexane rearrangement reactions of metallic phases on Pt-Sn/Al2O3 catalysts of different preparation,
J. Chem. Soc., Faraday Trans., 94 (1998) 2463-2473.

1997

72. Zs. Kajcsos, G. Duplâtre, L. Varga, I. Billard, L. Liszkay, L. Lohonyai, P. Caullet, J. Patarin, K. Lázár,
Further results on long-lived positronium states in zeosil,
Materials Science Forum, 255-257 (1997) 405-407.

71. K. Lázár, A.M. Szeleczky, N.K. Mal, A.V. Ramaswamy,
In situ 119Sn-Mössbauer spectroscopic study on MFI, MEL and MTW tin silicalites,
Zeolites, 19 (1997) 123-127.

70. P. Fejes, J.B. Nagy, K. Lázár, A. Horváth, J. Halász,
Heat-treatment of isomorphously substituted ZSM-5 zeolites and its importance in heterogeneous catalysis (in Hungarian),
Magyar Kémiai Folyóirat, 103 (1997) 531-539.

69. I. Pálinkó, K. Lázár, I. Kiricsi,
Cationic mixed pillared layer clays: infrared and Mössbauer characteristics of the pillaring agents and pillared structures in Fe,Al and Cr,Al pillared montmorillonites, J. Molecular Structure, 410-411 (1997) 547-550.

68. I. Pálinkó, Á. Molnár, J.B.Nagy, J.-C. Bertrand, K. Lázár, J. Valyon, I. Kiricsi,
Mixed-metal pillared layer clays and their pillaring precursors,
J. Chem. Soc., Faraday Trans., 93 (1997) 1591-1599.

1996

67. Varga L., Liszkay L., Kajcsos Zs., Lázár K., Beyer H.K., Onestyák Gy, Kótai E., Lohonyai L.,
Preliminary results of the positron annihilation in zeolites: peak shape and 3
g-decay,      J. Radioanal. Nucl. Chem., Articles, 211 (1996) 237-245.

66. Duplâtre, G., Kajcsos Zs., Goworek, T., Varga L., Liszkay L., Billard, I., Lázár K.,
Magnetic quenching effects on long-lived positronium states in zeosil,
J. Radioanal. Nucl. Chem., Articles, 211 (1996) 225-235.

65. Pálinkó I., Lázár K., Hannus I., Kirisci I.,
Step towards nanoscale Fe moieties: intercalation of simple and Keggin-type iron-containing ions in-between the layers of Na-montmorillonite,
J. Phys. Chem. Solids, 57 (1996) 1067-1072


1995

64. Hannus I.,  Pálinkó I., Lázár K., Nagy, J.B., Kiricsi I.,
 The chemical state of Sn in Sn-montmorillonite; A multinuclear MAS NMR and 119-Sn Mössbauer spectroscopic study,
 Journal of Molecular Structure, 349 (1995) 179-182.

63. Kajcsos Zs., Liszkay L., Varga L., Lázár K., G. Brauer, C. Dauwe,
 The mixing of 2
g- and 3g- events in the data collection of positron annihilation experiments: microcrystalline powders and zeolites,
 Materials Science Forum, 175-178 (1995) 959-962.

62. Kajcsos Zs., Liszkay L., Varga L., Lázár K., Lohonyai L.,
 Long-living positron and positronium states in zeolites and microcrystalline oxides,
 Journal of Radioanalytical and Nuclear Chemistry, Articles, 190 (1995) 475-480.

61.  Lázár K., M.-Szeleczky A., Vorbeck, G., Fricke, R., Vondrova, A., Cejka, J.,
 In situ Mössbauer study of iron containing MFI ferrisilicates: Relations to catalytic properties,
 Journal of Radioanalytical and Nuclear Chemistry, Articles, 190 (1995) 407-411,

60. Lázár K., M.-Szeleczky A., Notheisz F., Zsigmond A.,
 Encaged iron phthalocyanine for oxygen transfer; Catalytic and Mössbauer spectroscopic study,
Studies in Surface Science and Catalysis, 94 (1995) 720-727.

59. Lázár K., Fricke, R., Kosslick, H., Cejka, J.,  Vorbeck, G., M.-Szeleczky A.,
 In situ studies of various forms of iron in MFI ferrisilicates,
 Studies in Surface Science and Catalysis, 94 (1995) 219-225.

58. Kiricsi I., Molnár A.,  Pálinkó I., Lázár K.,
 Synthesis of iron-containing montmorillonite by various methods. Characterization of the intercalants and the behaviour of the intercalated substances in acid-catalyzed reactions,
 Studies in Surface Science and Catalysis, 94 (1995) 63-70.

57. Lázár K., Pál-Borbély G., Beyer H.K., Karge, H.G.,
Catalysts by solid-state ion exchange: Iron in zeolite,
 Studies in Surface Science and Catalysis, 91 (1995) 551-559.


1994

56. Raj, A., Sivasanker, S., Lázár K.,
Studies on the Stability of Fe3+ Ions in the Ferrisilicate Analog of Zeolite Beta
Journal of Catalysis, 147 (1994) 207-213

55. Lázár K., Pál-Borbély G., Beyer H.K., Karge, H.G.,
Solid-State Ion Exchange in Zeolites, Part 5. NH4-Y - Iron(II) Chloride,
Journal of the Chemical Society, Faraday Transactions, 90 (1994) 1329-1334.

54. Boskovic, G., Vlajnic, G., Kis, E., Putanov, P., Guczi L., Lázár K.,
Geometric Factors in K and Al Promoting of the Fe/MgO Fischer-Tropsch Catalysts,
Industrial Engineering Chemical Research, 33 (1994) 2090-2095.


1992 -1993

53. Zs. Kajcsos, K. Lázár, G. Brauer,
Ion-exchange with Pd/Pt and Fe and their reduction to metallic state in zeolites: positron annihilation and Mössbauer studies,
J. de Physique IV, 3 (1993) 197-200
.

52. P. Putanov, G. Boskovic, G. Vlajnic, E. Kis, K. Lázár and L. Guczi,
Promoter effect of Cu, Co and K on Fe/MgO in CO hydrogenation,
J. Mol. Catal., 71 (1992) 81-92.

51. P. Putanov, G. Boskovic, E. Kis. K. Lázár and L. Guczi,
Effects of preparation on the properties of Mo, Al and Ca promoted Fe/MgO catalysts,
J. Solid State Chem., 97 (1992) 41-47.

50. P. Putanov, G. Boskovic, G. Vlajnic, E. Kis, K. Lázár and L. Guczi,
Iron-support-promoter interactions in the sequence of preparation of Fe/MgO catalysts for CO hydrogenation,
Indian J. Technol., 30 (1992) 156-160.



1991

49. K. Lázár, P. Putanov, G. Vlajnic, E. Kis and G. Boskovic,
Structural effects of various modifiers on M-Fe/MgO catalysts (M= Al, Co, K),
Hyperfine Interact, 69 (1991) 751-754.

48. K. Lázár, I. Manninger and B.M. Choudary,
Associated and single iron ions in ion-exchanged faujasite zeolites,
Hyperfine Interact., 69 (1991) 747-750.

47. P. Putanov, E. Kis, G. Boskovic and K. Lázár,
Effects of the method of preparation of MgC2O4 as a support precursor on the properties of iron/magnesium oxide catalysts,
Appl. Catal., 73 (1991) 17.

46. L. Guczi, K. Lázár, G. Boskovic, E. Kis and P. Putanov,
Promoter effects of Ca, Mo, Al on Fe/MgO catalyst on CO hydrogenation
in: Natural Gas Conversion (Studies in Surf. Sci. and Catal., vol. 61., Eds: A. Holmen, K.-J. Jens and S. Kolboe, Elsevier, 1991. p. 251-256.

45. K. Lázár, G. Borbély and H. Beyer,
In situ Mössbauer study of framework substituted (Fe)ZSM-5 zeolites,
Zeolites, 11 (1991) 214-222.

44. K. Lázár,
In situ transmission Mössbauer spectroscopy studies for structure determination of supported catalysts,
Struct. Chem., 2 (1991) 245-265.

1990

43. L. Guczi and K. Lázár,
Stabilization of various CO + H2 catalysts, studied by in situ Mössbauer spectroscopy,
Catal. Lett., 7 (1990) 53-60.

42. B.M. Choudary, K. Lázár, I. Bogyay and L. Guczi,
Promotion effect of Fe on the selectivity of Pd zeolite-X in methanol synthesis,
J. Chem. Soc., Faraday Trans. 1, 86 (1990) 419-424.

41. K. Lázár, E. Kiss, P. Putanov and L. Guczi,
Stabilization of intermediate phases on preparing Fe/MgO catalysts,
Hyperfine Int., 57 (1990) 1975.

40. P. Bussière, M. Bogé and K. Lázár,
NGR study of IrSn4 and Ir3Sn7 intermetallic compounds in external magnetic fields,
Hyperfine Int., 54 (1990) 775-780.


1989

39. Z. Schay, K. Lázár, K. Matusek, I. Bogyay and L. Guczi,
Morphology and catalytic activity of iron-rhenium bimetallic catalysts supported on silica. II. Catalytic activity in the carbon monoxide - hydrogen reaction,
Appl. Catal., 51 (1989) 49-65.

38. Z. Schay, K. Lázár, I. Bogyay and L. Guczi,
Morphology and catalytic activity of iron-rhenium bimetallic catalysts supported on silica. I. Temperature-programmed reduction, X-ray photoelectron spectroscopy and Mössbauer study,
Appl. Catal., 51 (1989) 33-47.

37. K. Lázár, B.M. Choudary and L. Guczi,
Stability and separation of phases in Pd and Fe exchanged NaX and NaZSM-5 catalysts in CO + H2 reaction,
Hyperfine Int., 46 (1989) 591-597.

36. K. Lázár, B.M. Choudary and L. Guczi,
State of Fe2+ ions inside X zeolite lattice during CO + H2 reaction,
Solid State Ionics, 32/33 (1989) 1000-1005
.

1988

35. G. Lietz, M. Nimz, J. Völter, K. Lázár and L. Guczi,
Double promotion of palladium/silica catalysts by iron and magnesium oxide in synthesis of methanol from carbon monoxide and hydrogen,
Appl. Catal., 45 (1988) 71-83.

34. B.M. Choudary, K. Lázár, K. Matusek and L. Guczi,
Iron or lanthanum promoters on the selectivity of palladium zeolites in methanol synthesis,
J. Chem. Soc., Chem. Commun., 1988, 592.

33. M. Nimz, G. Lietz, J. Völter, K. Lázár and L. Guczi,
Direct conversion of syngas to aromatics on FePd/SiO2 catalysts,
Catal. Lett., 1 (1988) 93-98.

32. K. Lázár, M. Nimz, G. Lietz, J. Völter and L. Guczi,
Formation of PdFe alloys on silica supported catalysts,
Hyperfine Int., 41 (1988) 657-660.

31. P. Bussière and K. Lázár,
Tin Mössbauer spectroscopy of tin-rich iridium-tin alloys,
Hyperfine Int., 41 (1988) 559-562
.

30. K. Lázár, P. Bussière, M. Guenin and R. Fréty,
Stabilization of tin in bimetallic Ir-Sn systems supported on alumina and silica: Mössbauer spectroscopy and catalytic activity study,
Appl. Catal., 38 (1988) 19-40.

1986 - 1987

29. C.C. Torardi, W.M. Reiff, K. Lázár, J.H. Zhang and D.E. Cox,
Further aspects of the structure and magnetism of the layered compound Fe(III)MoO4Cl: Mössbauer spectroscopy, susceptibility and powder neutron diffraction studies,
J. Solid State Chem., 66 (1987) 105-115.

28. C.C. Torardi, W.M. Reiff, K. Lázár and E. Prince,
Synthesis, structure and low temperature magnetism of the new lithium and sodium intercalation compounds: LiFe(II)ClMoO4 and NaFe(II)ClMoO4
J. Phys. Chem. Solids, 47 (1986) 741-750.

27. K. Lázár, W.M. Reiff and L. Guczi,
In-situ studies on supported iron-ruthenium catalysts in the Fischer-Tropsch reaction,
Hyperfine Int., 28 (1986) 871-74.

26. K. Lázár and L. Guczi,
Carbon monoxide and hydrogen chemisorption studies on small supported iron carbide particles,
Hyperfine Int., 28 (1986) 883-86.

25. K. Lázár, W.M. Reiff, W. Mörke and L. Guczi,
Spectroscopic and catalytic study on metal carbonyl clusters supported on Cab-O-Sil. III. Application of low temperature and high-field Mössbauer spectroscopy to the characterization of iron-ruthenium bimetallic catalysts,
J. Catal., 100 (1986) 118-129.

24. L. Guczi, I. Böszörményi, S. Dobos, K. Lázár, L. Takács and Z. Schay,
Solid state reactions between metal carbonyl clusters and inorganic oxide supports,
Reactivity of Solids, Eds. P. Barret and L.-C. Dufour, Elsevier, Amsterdam, 1985, p. 1087-88.

1985

23. G. Kisfaludi, K. Lázár, Z. Schay, L. Guczi, Cs. Fetzer, G. Konczos and A. Lovas,
Surface characterization and catalytic CO + H2 reaction on Fe82.2B17.8 amorphous alloy
Appl. Surf. Sci., 24 (1985) 225-238.

22. I. Böszörményi, S. Dobos, K. Lázár, Z. Schay and L. Guczi,
Stabilization effect of oxide supports on the decomposition of iron-ruthenium carbonyl clusters,
Surf. Sci., 156 (1985) 995-1002.

21. E.H. Witten, W.M. Reiff, K. Lázár, B.W. Sullivan, B.M. Foxman,
The ferric chloride - alpha-diamine system. 3. X-ray crystallographic, magnetic susceptibility, and zero- and high-field Mössbauer spectroscopy investigation of [Fe(2,2'-bpy)2Cl2][FeCl4]: slow paramagnetic relaxation and magnetic ordering oc complex bimetallic salts,
Inorg. Chemistry, 24 (1985) 4585-4591.

1984

20. I. Böszörményi, S. Dobos, L. Guczi, L. Markó, K. Lázár, W.M. Reiff, Z. Schay, L. Takács and A. Vizi-Orosz,
Cluster-support interaction as a controlling factor in the formation of bimetallic catalysts,
Proc. 8th Congr. Catalysis, Verlag Chemie, Weinheim, 1984, p. VI83-VI94.

19. C.C. Torardi, J.C. Calabrese, K. Lázár and W.M. Reiff,
Synthesis, crystal structure and magnetism of FeMoO4Cl, a new two-dimensional antiferromagnet with O-Mo-O superexchange pathways,
J. Solid State Chem., 51 (1984) 376-387.

18. Z. Schay, K. Lázár, J. Mink and L. Guczi,
Spectroscopic and catalytic study on metal carbonyl clusters supported on Cab-O-Sil. II. Impregnation and decomposition of Ru3(CO)12 and the mixture of Ru3(CO)12 and Fe3(CO)12,
J. Catal., 87 (1984) 179-195.

17. K. Lázár, K. Matusek, J. Mink, S. Dobos, L. Guczi, A. Vizi-Orosz, L. Markó and W.M. Reiff,
Spectroscopic and catalytic study on metal carbonyl clusters supported on Cab-O-Sil. I. Impregnation and decomposition of Fe3(CO)12
J. Catal., 87 (1984) 163-178.


1983

16. A. Vértes, T.C. Huang, J.M. Vanderhoff, K. Lázár, M. Bennetch and W.M. Reiff,
Mössbauer and X-ray diffraction studies of superparamagnetic d-FeOOH
Radiochem. Radioanal. Lett., 59 (1983) 307.

15. A.N. Scoville, K. Lázár, W.M. Reiff and C. Landee,
Antiferromagnetic magnetic ordering of complex ferric salts: a Mössbauer spectroscopy and magnetic susceptibility characterization of the hexachloroferrate complex Co(pn)3FeCl6 (pn= 1,2-propanediamine),
Inorg. Chem., 1983, 3514-19.

14. K. Lázár and É. Császár-Gilicze,
Evidence for surface reconstruction during carburization and decarburization of nickel by resistance relaxation measurements,
High Temp. Sci., 16 (1983) 55-66.


1981 -1982

13. K. Lázár, Z. Schay and L. Guczi,
Direct evidence for the correlation between surface carbon and CO + H2 selectivity on iron and iron-ruthenium catalysts prepared from metal carbonyl clusters,
J. Mol. Cat., 17 (1982) 205-218.

12. L. Guczi, Z. Schay, K. Lázár, A. Vizi and L. Markó,
Highly dispersed FeRu conversion catalysts prepared from H2FeRu3(CO)13 and Fe2Ru(CO)12 bimetallic clusters on silica,
Surf. Sci., 106 (1981) 516-522.

11. M. Földeáki, M. Stefán, P. Vojtanik and K. Lázár,
High temperature aftereffect in iron alloys containing oxygen,
Acta Phys. Hung., 50 (1981) 85-96.

10. K. Lázár, A. Sütö and L. Varga,
Thermopower method for detecting the ferrite-austenite transition: applications to surface reaction and diffusion,
Arch. Eisenhüttenw., 52 (1981) 265 - 269.

1980

9. K. Lázár, D.L. Nagy, L. Guczi,
Mössbauer-spektroszkópia alkalmazása karbonil klaszterekből előállított Fe/SiO2 és RuFe/SiO2 katalizátorok vizsgálatára,
in: 2. Magkémiai Szimpózium, Debrecen (Proc. II. Symp. on Nuclear Chemistry), ed: É. Bányai, KLTE Debrecen (1980) 142-145.

8. M. Földeáki, M. Stefán, P. Vojtanik and K. Lázár,
Magnetic aftereffect of interstitial oxygen in iron,
Acta Phys. Slov., 30 (1980) 279-289.

 7. K. Lázár, K. Kertész, É. Császár-Gilicze and G. Konczos,
Resistivity relaxation measuring system for surface reaction rate measurements: detecting decarburization rate of nickel,
Z. Metallkunde, 71 (1980) 124 - 128.

  6. K. Lázár and A. Sütö,
Ferrite-austenite transition: determination of diffusion constant of carbon and rate constants of carburization and decarburization from thermopower measurements,
J. Magn., Magn. Mater., 19 (1980) 225 - 256.

before 1980

5.  L. Varga, K. Tompa, K. Lázár,
The role of the surface conditions and mechanical deformation in FNR experiments on iron sheets,
 in: Proc. 2nd Spec. Colloq., AMPERE, (1975) 81-85.

4. É. Kisdi-Koszó, G. Konczos, K. Lázár and G. Neuprandt,
Influence of interstitial impurities on the magnetic properties of pure iron,
IEEE Trans. Magn., 10 (1974) 175-176.

3. K. Lázár, M. Pardavi-Horváth, A. Vértes,
A binukleáris [Fe2(OH)2(H2O)8]4+ ion mágneses tulajdonságairól,
Magyar Kémiai Folyóirat, 78 (1972) 447-449.

2. K. Lázár, M. Horváth-Pardavi and A. Vértes,
Magnetic properties of the binuclear ion (Fe2(OH)2(H2O)8)4+,
Acta Chim. Acad. Sci. Hung., 74 (1972) 163-168.

1. A. Vértes, K. Lázár, K. Kelemen and L. Bognár,
Formation of alpha-FeOOH and alpha-Fe2O3 from Fe(OH)3 suspensions,
Radiochem. Radioanal. Lett., 3 (1970) 375-381.


  - - - - - - - - - - - - - - - - -

KFKI reports (Central Research Institute for Physics, Budapest)   1974  -  1979

 

r1  É. Kisdi-Koszó, G. Konczos, K. Lázár and G. Neuprandt,
Influence of interstitial impurities on the magnetic properties of pure iron,
1974-6

r2  K. Lázár and G. Konczos,
Decarburization rate in certain soft magnetic alloys,
1977-55

r3  K. Lázár and A. Sütö,
Ferrite-austenite transition: determination of diffusion constant of carbon and rate costants of carburization and decarburization from thermopower measurements,
1977-85

r4  K. Lázár and G. Konczos,
Decarburization rate of some iron-nickel alloys,
1977-86

r5  K. Lázár, K. Kertész, É. Császár-Gilicze, G. Konczos and P. Horváth,
Measurement of the rate of surface reactions in metal-gas systems: the resistivity relaxation method,
1979-03.