Redox behavior of thermally aged ceria-zirconia mixed oxides. Role of their surface and bulk structural properties. Yeste, M., Hernández-Garrido, J., Bernal, S., Blanco, G., Calvino, J., Pérez-Omil, J., & Pintado, J. Chemistry of Materials, 18(11):2750–2757, Departamento de Ciencia de Los Materiales e Ingenieria Metalurgica y Quimica Inorganica, Facultad de Ciencias, Campus Río San Pedro, E-11510 Puerto Real (Cádiz), Spain, 2006. Paper abstract bibtex The relationship existing between aging conditions, redox behavior, and surface/bulk structural properties of two thermally aged ceria-zirconia mixed oxides, CZ-MO and CZ-SO, is analyzed. The samples were prepared by applying to a fresh Ce0.62Zr0.38O2 mixed oxide two alternative aging routines consisting of a reduction with H2 at 1223 K (5 h), followed by either a mild, CZ-MO, or severe, CZ-SO, re-oxidation treatment. By combining high-resolution electron microscopy and a number of chemical charcterization techniques, it is shown that the nanostructure of the aged oxides, specifically the total amount and surface presence of the phase exhibiting an ordered cationic sublattice ($ąppa$-like phase), is a key factor in determining their redox response. In the low-temperature reduction range (Tredn ≤ 773 K), the enhanced reducibility of the CZ-MO sample is proposed to be kinetically controlled by its surface structure mainly consisting of the $ąppa$-like phase. In accordance with the reported results, the surface activation of the H2 molecule, much faster on the CZ-MO sample, is proposed to be the rate controlling step of the overall reduction process. This proposal was further confirmed by the dramatic downward shift observed in the temperature-programmed reduction diagrams recorded for the corresponding oxide-supported rhodium samples. By contrast, in the high-temperature reduction range (Tredn ≥ 973 K), the observed difference of reducibility, higher in the case of the CZ-MO sample, is interpreted as due to thermodynamic factors related to the nature of the predominant cationic sublattice structure, ordered for CZ-MO and disordered in the case of the CZ-SO sample. © 2006 American Chemical Society.
@article{Yeste2006,
abstract = {The relationship existing between aging conditions, redox behavior, and surface/bulk structural properties of two thermally aged ceria-zirconia mixed oxides, CZ-MO and CZ-SO, is analyzed. The samples were prepared by applying to a fresh Ce0.62Zr0.38O2 mixed oxide two alternative aging routines consisting of a reduction with H2 at 1223 K (5 h), followed by either a mild, CZ-MO, or severe, CZ-SO, re-oxidation treatment. By combining high-resolution electron microscopy and a number of chemical charcterization techniques, it is shown that the nanostructure of the aged oxides, specifically the total amount and surface presence of the phase exhibiting an ordered cationic sublattice ($\kappa$-like phase), is a key factor in determining their redox response. In the low-temperature reduction range (Tredn ≤ 773 K), the enhanced reducibility of the CZ-MO sample is proposed to be kinetically controlled by its surface structure mainly consisting of the $\kappa$-like phase. In accordance with the reported results, the surface activation of the H2 molecule, much faster on the CZ-MO sample, is proposed to be the rate controlling step of the overall reduction process. This proposal was further confirmed by the dramatic downward shift observed in the temperature-programmed reduction diagrams recorded for the corresponding oxide-supported rhodium samples. By contrast, in the high-temperature reduction range (Tredn ≥ 973 K), the observed difference of reducibility, higher in the case of the CZ-MO sample, is interpreted as due to thermodynamic factors related to the nature of the predominant cationic sublattice structure, ordered for CZ-MO and disordered in the case of the CZ-SO sample. © 2006 American Chemical Society.},
address = {Departamento de Ciencia de Los Materiales e Ingenieria Metalurgica y Quimica Inorganica, Facultad de Ciencias, Campus R\'{\i}o San Pedro, E-11510 Puerto Real (C\'{a}diz), Spain},
annote = {Cited By (since 1996): 34
Export Date: 15 January 2013
Source: Scopus
CODEN: CMATE
doi: 10.1021/cm060635i
Language of Original Document: English
Correspondence Address: Bernal, S.; Departamento de Ciencia de Los Materiales e Ingenieria Metalurgica y Quimica Inorganica, Facultad de Ciencias, Campus R\'{\i}o San Pedro, E-11510 Puerto Real (C\'{a}diz), Spain; email: serafin.bernal@uca.es
References: (2002) Catalysis by Ceria and Related Materials, , Trovarelli, A., Ed. Imperial College Press: London;
Di Monte, R., Kaspar, J., (2005) J. Mater. Chem., 15, p. 633;
Di Monte, R., Kaspar, J., (2004) Topics Catal., 28, p. 47;
Villegas, L., Guilhaume, N., Provendier, H., Daniel, C., Masset, F., Mirodatos, C., (2005) Appl. Catal., A, 287, p. 75;
Wootsch, A., Descorme, C., Duprez, D., (2004) J. Catal., 225, p. 259;
Kusakabe, K., Sotowa, K., Eda, T., Iwamoto, Y., (2004) Fuel Process. Technol., 86, p. 319;
Mattos, L.V., De Oliveira, E.R., Resende, P.D., Noronha, F.B., Passos, F.B., (2002) Catal. Today, 77, p. 245;
Izu, N., Omata, T., Otsuka-Yao-Matsuo, S., (1998) J. Alloys Compd., 270, p. 107;
Otsuka-Yao-Matsuo, S., Omata, T., Izu, N., Kishimoto, H., (1998) J. Solid State Chem., 138, p. 47;
Baker, R.T., Bernal, S., Blanco, G., Cordon, A.M., Pintado, J.M., Rodriguez-Izquierdo, J.M., Fally, F., Perrichon, V., (1999) Chem. Commun., p. 149;
Fornasiero, P., Montini, T., Graziani, M., Kaspar, J., Hungr\'{\i}a, A.B., Mart\'{\i}nez-Arias, A., Conesa, J.C., (2002) Phys. Chem. Chem. Phys, 4, p. 149;
Suda, A., Ukyo, Y., Yamamura, K., Sobukawa, H., Sasaki, T., Nagai, Y., Tanabe, T., Sugiura, M.J., (2004) Ceram. Soc. Jpn., 112, p. 586;
Montini, T., Hickey, N., Fornasiero, P., Graziani, M., Ba\~{n}ares, M.A., Mart\'{\i}nez-Huerta, M.V., Alessandri, I., Depero, L.E., (2005) Chem. Mater., 17, p. 1157;
Montini, T., Ba\~{n}ares, M.A., Hickey, N., Di Monte, R., Fornasiero, P., Kaspar, J., Graziani, M., (2004) Phys. Chem. Chem. Phys., 6, p. 1;
P\'{e}rez-Omil, J.A., Bernal, S., Calvino, J.J., Hern\'{a}ndez, J.C., Mira, C., Rodr\'{\i}guez-Luque, M.P., Erni, R., Browning, N.D., (2005) Chem. Mater., 17, p. 4282;
Sasaki, T., Ukyo, Y., Kuroda, K., Arai, S., Saka, H., (2003) J. Electron Microsc., 52, p. 309;
Sasaki, T., Ukyo, Y., Suda, A., Sugiura, M., Kuroda, K., Arai, S., Saka, H., (2003) J. Ceram. Soc. Jpn., 111, p. 382;
Kishimoto, H., Omata, T., Otsuka-Yao-Matsuo, S., Ueda, K., Hosono, H., Kawazoe, H., (2000) J. Alloys Compd., 312, p. 94;
Izu, N., Kishimoto, H., Omata, T., Yao, T., Otsuka-Yao-Matsuo, S., (2001) Sci. Technol. Adv. Mater., 2, p. 443;
Duprez, D., Descorme, C., (2002) Catalysis by Ceria and Related Materials, pp. 243-280. , Trovarelli, A., Ed.; Imperial College Press: London, Chapter 7;
Hern\'{a}ndez, J. C.; Rodri\'{o}guez-Luque, P.; Yeste, M. P.; Bernal, S.; Calvino, J. J.; Pintado, J. M.; Trasobares, S.; Hungria, A. B.; Midgley, P.; P\'{e}rez-Omil, J.M. Submitted for publicationBernal, S., Calvino, J.J., Cifredo, G.A., Rodr\'{\i}guez-Izquierdo, J.M., Perrichon, V., Laachir, A., (1992) J. Catal., 137, p. 1;
Bernal, S., Calvino, J.J., Cifredo, G.A., Rodr\'{\i}guez-Izquierdo, J.M.J., (1995) Phys. Chem., 99, p. 11794;
Norman, A., Perrichon, V., Bensaddik, A., Lemaux, S., Bitter, H., Koningsberger, D., (2001) Top. Catal., 16-17, p. 363;
Hickey, N., Fornasiero, P., Kaspar, J., Gatica, J.M., Bernal, S., (2001) J. Catal., 200, p. 181;
Gatica, J.M., Baker, R.T., Fornasiero, P., Bernal, S., Blanco, G., Kaspar, J., (2000) J. Phys. Chem. B, 104, p. 4667;
Izu, N., Kishimoto, H., Omata, T., Ono, K., Sci, O.S., (2001) Technol. Adv. Mater., 2, p. 397;
Fornasiero, P., Di Monte, R., Ranga Rao, G., Kaspar, J., Meriani, S., Trovarelli, A., Graziani, M., (1995) J. Catal., 151, p. 168;
Vidal, H., Kaspar, J., Pijolat, M., Colon, G., Bernal, S., Cordon, A., Perrichon, V., Fally, F., (2001) Appl. Catal., B, 30, p. 75;
Boaro, M., Trovarelli, A., Hwang, J.H., Mason, T.O., (2002) Solid State Ionics, 147, p. 85;
Mamontov, E., Brezny, R., Koranne, M., Egami, T., (2003) J. Phys. Chem. B, 107, p. 13007},
author = {Yeste, MP. and Hern\'{a}ndez-Garrido, JC. and Bernal, S. and Blanco, G. and Calvino, JJ. and P\'{e}rez-Omil, JA. and Pintado, JM.},
issn = {08974756 (ISSN)},
journal = {Chemistry of Materials},
keywords = {Aging of materials,Cationic sublattice,Chemical characterization techniques,Electron microscopy,High-resolution electron microscopy,Optical resolving power,Positive ions,Redox reactions,Structural properties,Surface properties,Thermal effects,Thermoanalysis,Zirconia},
number = {11},
pages = {2750--2757},
title = {{Redox behavior of thermally aged ceria-zirconia mixed oxides. Role of their surface and bulk structural properties}},
url = {https://www.scopus.com/inward/record.url?eid=2-s2.0-33744974809&partnerID=40&md5=4b52f1e79118f084a4e375b8e5de4675},
volume = {18},
year = {2006}
}
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{"_id":"cPNNe4RRPH2LLxqC9","bibbaseid":"yeste-hernndezgarrido-bernal-blanco-calvino-prezomil-pintado-redoxbehaviorofthermallyagedceriazirconiamixedoxidesroleoftheirsurfaceandbulkstructuralproperties-2006","downloads":0,"creationDate":"2015-12-07T10:38:41.781Z","title":"Redox behavior of thermally aged ceria-zirconia mixed oxides. Role of their surface and bulk structural properties","author_short":["Yeste, M.","Hernández-Garrido, J.","Bernal, S.","Blanco, G.","Calvino, J.","Pérez-Omil, J.","Pintado, J."],"year":2006,"bibtype":"article","biburl":"www2.uca.es/dept/cmat_qinor/nanomat/people/Perez.bib","bibdata":{"bibtype":"article","type":"article","abstract":"The relationship existing between aging conditions, redox behavior, and surface/bulk structural properties of two thermally aged ceria-zirconia mixed oxides, CZ-MO and CZ-SO, is analyzed. The samples were prepared by applying to a fresh Ce0.62Zr0.38O2 mixed oxide two alternative aging routines consisting of a reduction with H2 at 1223 K (5 h), followed by either a mild, CZ-MO, or severe, CZ-SO, re-oxidation treatment. By combining high-resolution electron microscopy and a number of chemical charcterization techniques, it is shown that the nanostructure of the aged oxides, specifically the total amount and surface presence of the phase exhibiting an ordered cationic sublattice ($ąppa$-like phase), is a key factor in determining their redox response. In the low-temperature reduction range (Tredn ≤ 773 K), the enhanced reducibility of the CZ-MO sample is proposed to be kinetically controlled by its surface structure mainly consisting of the $ąppa$-like phase. In accordance with the reported results, the surface activation of the H2 molecule, much faster on the CZ-MO sample, is proposed to be the rate controlling step of the overall reduction process. This proposal was further confirmed by the dramatic downward shift observed in the temperature-programmed reduction diagrams recorded for the corresponding oxide-supported rhodium samples. By contrast, in the high-temperature reduction range (Tredn ≥ 973 K), the observed difference of reducibility, higher in the case of the CZ-MO sample, is interpreted as due to thermodynamic factors related to the nature of the predominant cationic sublattice structure, ordered for CZ-MO and disordered in the case of the CZ-SO sample. © 2006 American Chemical Society.","address":"Departamento de Ciencia de Los Materiales e Ingenieria Metalurgica y Quimica Inorganica, Facultad de Ciencias, Campus Río San Pedro, E-11510 Puerto Real (Cádiz), Spain","annote":"Cited By (since 1996): 34 Export Date: 15 January 2013 Source: Scopus CODEN: CMATE doi: 10.1021/cm060635i Language of Original Document: English Correspondence Address: Bernal, S.; Departamento de Ciencia de Los Materiales e Ingenieria Metalurgica y Quimica Inorganica, Facultad de Ciencias, Campus Río San Pedro, E-11510 Puerto Real (Cádiz), Spain; email: serafin.bernal@uca.es References: (2002) Catalysis by Ceria and Related Materials, , Trovarelli, A., Ed. Imperial College Press: London; Di Monte, R., Kaspar, J., (2005) J. Mater. Chem., 15, p. 633; Di Monte, R., Kaspar, J., (2004) Topics Catal., 28, p. 47; Villegas, L., Guilhaume, N., Provendier, H., Daniel, C., Masset, F., Mirodatos, C., (2005) Appl. Catal., A, 287, p. 75; Wootsch, A., Descorme, C., Duprez, D., (2004) J. Catal., 225, p. 259; Kusakabe, K., Sotowa, K., Eda, T., Iwamoto, Y., (2004) Fuel Process. Technol., 86, p. 319; Mattos, L.V., De Oliveira, E.R., Resende, P.D., Noronha, F.B., Passos, F.B., (2002) Catal. Today, 77, p. 245; Izu, N., Omata, T., Otsuka-Yao-Matsuo, S., (1998) J. Alloys Compd., 270, p. 107; Otsuka-Yao-Matsuo, S., Omata, T., Izu, N., Kishimoto, H., (1998) J. Solid State Chem., 138, p. 47; Baker, R.T., Bernal, S., Blanco, G., Cordon, A.M., Pintado, J.M., Rodriguez-Izquierdo, J.M., Fally, F., Perrichon, V., (1999) Chem. Commun., p. 149; Fornasiero, P., Montini, T., Graziani, M., Kaspar, J., Hungría, A.B., Martínez-Arias, A., Conesa, J.C., (2002) Phys. Chem. Chem. Phys, 4, p. 149; Suda, A., Ukyo, Y., Yamamura, K., Sobukawa, H., Sasaki, T., Nagai, Y., Tanabe, T., Sugiura, M.J., (2004) Ceram. Soc. Jpn., 112, p. 586; Montini, T., Hickey, N., Fornasiero, P., Graziani, M., Bañares, M.A., Martínez-Huerta, M.V., Alessandri, I., Depero, L.E., (2005) Chem. Mater., 17, p. 1157; Montini, T., Bañares, M.A., Hickey, N., Di Monte, R., Fornasiero, P., Kaspar, J., Graziani, M., (2004) Phys. Chem. Chem. Phys., 6, p. 1; Pérez-Omil, J.A., Bernal, S., Calvino, J.J., Hernández, J.C., Mira, C., Rodríguez-Luque, M.P., Erni, R., Browning, N.D., (2005) Chem. Mater., 17, p. 4282; Sasaki, T., Ukyo, Y., Kuroda, K., Arai, S., Saka, H., (2003) J. Electron Microsc., 52, p. 309; Sasaki, T., Ukyo, Y., Suda, A., Sugiura, M., Kuroda, K., Arai, S., Saka, H., (2003) J. Ceram. Soc. Jpn., 111, p. 382; Kishimoto, H., Omata, T., Otsuka-Yao-Matsuo, S., Ueda, K., Hosono, H., Kawazoe, H., (2000) J. Alloys Compd., 312, p. 94; Izu, N., Kishimoto, H., Omata, T., Yao, T., Otsuka-Yao-Matsuo, S., (2001) Sci. Technol. Adv. Mater., 2, p. 443; Duprez, D., Descorme, C., (2002) Catalysis by Ceria and Related Materials, pp. 243-280. , Trovarelli, A., Ed.; Imperial College Press: London, Chapter 7; Hernández, J. C.; Rodrióguez-Luque, P.; Yeste, M. P.; Bernal, S.; Calvino, J. J.; Pintado, J. M.; Trasobares, S.; Hungria, A. B.; Midgley, P.; Pérez-Omil, J.M. Submitted for publicationBernal, S., Calvino, J.J., Cifredo, G.A., Rodríguez-Izquierdo, J.M., Perrichon, V., Laachir, A., (1992) J. Catal., 137, p. 1; Bernal, S., Calvino, J.J., Cifredo, G.A., Rodríguez-Izquierdo, J.M.J., (1995) Phys. Chem., 99, p. 11794; Norman, A., Perrichon, V., Bensaddik, A., Lemaux, S., Bitter, H., Koningsberger, D., (2001) Top. Catal., 16-17, p. 363; Hickey, N., Fornasiero, P., Kaspar, J., Gatica, J.M., Bernal, S., (2001) J. Catal., 200, p. 181; Gatica, J.M., Baker, R.T., Fornasiero, P., Bernal, S., Blanco, G., Kaspar, J., (2000) J. Phys. Chem. B, 104, p. 4667; Izu, N., Kishimoto, H., Omata, T., Ono, K., Sci, O.S., (2001) Technol. Adv. Mater., 2, p. 397; Fornasiero, P., Di Monte, R., Ranga Rao, G., Kaspar, J., Meriani, S., Trovarelli, A., Graziani, M., (1995) J. Catal., 151, p. 168; Vidal, H., Kaspar, J., Pijolat, M., Colon, G., Bernal, S., Cordon, A., Perrichon, V., Fally, F., (2001) Appl. Catal., B, 30, p. 75; Boaro, M., Trovarelli, A., Hwang, J.H., Mason, T.O., (2002) Solid State Ionics, 147, p. 85; Mamontov, E., Brezny, R., Koranne, M., Egami, T., (2003) J. Phys. Chem. B, 107, p. 13007","author":[{"propositions":[],"lastnames":["Yeste"],"firstnames":["MP."],"suffixes":[]},{"propositions":[],"lastnames":["Hernández-Garrido"],"firstnames":["JC."],"suffixes":[]},{"propositions":[],"lastnames":["Bernal"],"firstnames":["S."],"suffixes":[]},{"propositions":[],"lastnames":["Blanco"],"firstnames":["G."],"suffixes":[]},{"propositions":[],"lastnames":["Calvino"],"firstnames":["JJ."],"suffixes":[]},{"propositions":[],"lastnames":["Pérez-Omil"],"firstnames":["JA."],"suffixes":[]},{"propositions":[],"lastnames":["Pintado"],"firstnames":["JM."],"suffixes":[]}],"issn":"08974756 (ISSN)","journal":"Chemistry of Materials","keywords":"Aging of materials,Cationic sublattice,Chemical characterization techniques,Electron microscopy,High-resolution electron microscopy,Optical resolving power,Positive ions,Redox reactions,Structural properties,Surface properties,Thermal effects,Thermoanalysis,Zirconia","number":"11","pages":"2750–2757","title":"Redox behavior of thermally aged ceria-zirconia mixed oxides. Role of their surface and bulk structural properties","url":"https://www.scopus.com/inward/record.url?eid=2-s2.0-33744974809&partnerID=40&md5=4b52f1e79118f084a4e375b8e5de4675","volume":"18","year":"2006","bibtex":"@article{Yeste2006,\nabstract = {The relationship existing between aging conditions, redox behavior, and surface/bulk structural properties of two thermally aged ceria-zirconia mixed oxides, CZ-MO and CZ-SO, is analyzed. The samples were prepared by applying to a fresh Ce0.62Zr0.38O2 mixed oxide two alternative aging routines consisting of a reduction with H2 at 1223 K (5 h), followed by either a mild, CZ-MO, or severe, CZ-SO, re-oxidation treatment. By combining high-resolution electron microscopy and a number of chemical charcterization techniques, it is shown that the nanostructure of the aged oxides, specifically the total amount and surface presence of the phase exhibiting an ordered cationic sublattice ($\\kappa$-like phase), is a key factor in determining their redox response. In the low-temperature reduction range (Tredn ≤ 773 K), the enhanced reducibility of the CZ-MO sample is proposed to be kinetically controlled by its surface structure mainly consisting of the $\\kappa$-like phase. In accordance with the reported results, the surface activation of the H2 molecule, much faster on the CZ-MO sample, is proposed to be the rate controlling step of the overall reduction process. This proposal was further confirmed by the dramatic downward shift observed in the temperature-programmed reduction diagrams recorded for the corresponding oxide-supported rhodium samples. By contrast, in the high-temperature reduction range (Tredn ≥ 973 K), the observed difference of reducibility, higher in the case of the CZ-MO sample, is interpreted as due to thermodynamic factors related to the nature of the predominant cationic sublattice structure, ordered for CZ-MO and disordered in the case of the CZ-SO sample. © 2006 American Chemical Society.},\naddress = {Departamento de Ciencia de Los Materiales e Ingenieria Metalurgica y Quimica Inorganica, Facultad de Ciencias, Campus R\\'{\\i}o San Pedro, E-11510 Puerto Real (C\\'{a}diz), Spain},\nannote = {Cited By (since 1996): 34\n\n \nExport Date: 15 January 2013\n\n \nSource: Scopus\n\n \nCODEN: CMATE\n\n \ndoi: 10.1021/cm060635i\n\n \nLanguage of Original Document: English\n\n \nCorrespondence Address: Bernal, S.; Departamento de Ciencia de Los Materiales e Ingenieria Metalurgica y Quimica Inorganica, Facultad de Ciencias, Campus R\\'{\\i}o San Pedro, E-11510 Puerto Real (C\\'{a}diz), Spain; email: serafin.bernal@uca.es\n\n \nReferences: (2002) Catalysis by Ceria and Related Materials, , Trovarelli, A., Ed. Imperial College Press: London; \nDi Monte, R., Kaspar, J., (2005) J. Mater. Chem., 15, p. 633; \nDi Monte, R., Kaspar, J., (2004) Topics Catal., 28, p. 47; \nVillegas, L., Guilhaume, N., Provendier, H., Daniel, C., Masset, F., Mirodatos, C., (2005) Appl. Catal., A, 287, p. 75; \nWootsch, A., Descorme, C., Duprez, D., (2004) J. Catal., 225, p. 259; \nKusakabe, K., Sotowa, K., Eda, T., Iwamoto, Y., (2004) Fuel Process. Technol., 86, p. 319; \nMattos, L.V., De Oliveira, E.R., Resende, P.D., Noronha, F.B., Passos, F.B., (2002) Catal. Today, 77, p. 245; \nIzu, N., Omata, T., Otsuka-Yao-Matsuo, S., (1998) J. Alloys Compd., 270, p. 107; \nOtsuka-Yao-Matsuo, S., Omata, T., Izu, N., Kishimoto, H., (1998) J. Solid State Chem., 138, p. 47; \nBaker, R.T., Bernal, S., Blanco, G., Cordon, A.M., Pintado, J.M., Rodriguez-Izquierdo, J.M., Fally, F., Perrichon, V., (1999) Chem. Commun., p. 149; \nFornasiero, P., Montini, T., Graziani, M., Kaspar, J., Hungr\\'{\\i}a, A.B., Mart\\'{\\i}nez-Arias, A., Conesa, J.C., (2002) Phys. Chem. Chem. Phys, 4, p. 149; \nSuda, A., Ukyo, Y., Yamamura, K., Sobukawa, H., Sasaki, T., Nagai, Y., Tanabe, T., Sugiura, M.J., (2004) Ceram. Soc. Jpn., 112, p. 586; \nMontini, T., Hickey, N., Fornasiero, P., Graziani, M., Ba\\~{n}ares, M.A., Mart\\'{\\i}nez-Huerta, M.V., Alessandri, I., Depero, L.E., (2005) Chem. Mater., 17, p. 1157; \nMontini, T., Ba\\~{n}ares, M.A., Hickey, N., Di Monte, R., Fornasiero, P., Kaspar, J., Graziani, M., (2004) Phys. Chem. Chem. Phys., 6, p. 1; \nP\\'{e}rez-Omil, J.A., Bernal, S., Calvino, J.J., Hern\\'{a}ndez, J.C., Mira, C., Rodr\\'{\\i}guez-Luque, M.P., Erni, R., Browning, N.D., (2005) Chem. Mater., 17, p. 4282; \nSasaki, T., Ukyo, Y., Kuroda, K., Arai, S., Saka, H., (2003) J. Electron Microsc., 52, p. 309; \nSasaki, T., Ukyo, Y., Suda, A., Sugiura, M., Kuroda, K., Arai, S., Saka, H., (2003) J. Ceram. Soc. Jpn., 111, p. 382; \nKishimoto, H., Omata, T., Otsuka-Yao-Matsuo, S., Ueda, K., Hosono, H., Kawazoe, H., (2000) J. Alloys Compd., 312, p. 94; \nIzu, N., Kishimoto, H., Omata, T., Yao, T., Otsuka-Yao-Matsuo, S., (2001) Sci. Technol. Adv. Mater., 2, p. 443; \nDuprez, D., Descorme, C., (2002) Catalysis by Ceria and Related Materials, pp. 243-280. , Trovarelli, A., Ed.; Imperial College Press: London, Chapter 7; \nHern\\'{a}ndez, J. C.; Rodri\\'{o}guez-Luque, P.; Yeste, M. P.; Bernal, S.; Calvino, J. J.; Pintado, J. M.; Trasobares, S.; Hungria, A. B.; Midgley, P.; P\\'{e}rez-Omil, J.M. Submitted for publicationBernal, S., Calvino, J.J., Cifredo, G.A., Rodr\\'{\\i}guez-Izquierdo, J.M., Perrichon, V., Laachir, A., (1992) J. Catal., 137, p. 1; \nBernal, S., Calvino, J.J., Cifredo, G.A., Rodr\\'{\\i}guez-Izquierdo, J.M.J., (1995) Phys. Chem., 99, p. 11794; \nNorman, A., Perrichon, V., Bensaddik, A., Lemaux, S., Bitter, H., Koningsberger, D., (2001) Top. Catal., 16-17, p. 363; \nHickey, N., Fornasiero, P., Kaspar, J., Gatica, J.M., Bernal, S., (2001) J. Catal., 200, p. 181; \nGatica, J.M., Baker, R.T., Fornasiero, P., Bernal, S., Blanco, G., Kaspar, J., (2000) J. Phys. Chem. B, 104, p. 4667; \nIzu, N., Kishimoto, H., Omata, T., Ono, K., Sci, O.S., (2001) Technol. Adv. Mater., 2, p. 397; \nFornasiero, P., Di Monte, R., Ranga Rao, G., Kaspar, J., Meriani, S., Trovarelli, A., Graziani, M., (1995) J. Catal., 151, p. 168; \nVidal, H., Kaspar, J., Pijolat, M., Colon, G., Bernal, S., Cordon, A., Perrichon, V., Fally, F., (2001) Appl. Catal., B, 30, p. 75; \nBoaro, M., Trovarelli, A., Hwang, J.H., Mason, T.O., (2002) Solid State Ionics, 147, p. 85; \nMamontov, E., Brezny, R., Koranne, M., Egami, T., (2003) J. Phys. Chem. B, 107, p. 13007},\nauthor = {Yeste, MP. and Hern\\'{a}ndez-Garrido, JC. and Bernal, S. and Blanco, G. and Calvino, JJ. and P\\'{e}rez-Omil, JA. and Pintado, JM.},\nissn = {08974756 (ISSN)},\njournal = {Chemistry of Materials},\nkeywords = {Aging of materials,Cationic sublattice,Chemical characterization techniques,Electron microscopy,High-resolution electron microscopy,Optical resolving power,Positive ions,Redox reactions,Structural properties,Surface properties,Thermal effects,Thermoanalysis,Zirconia},\nnumber = {11},\npages = {2750--2757},\ntitle = {{Redox behavior of thermally aged ceria-zirconia mixed oxides. 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