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Ce1-xY(Nd)(x)O2-delta nanopowders: potential materials for intermediate temperature solid oxide fuel cells
dc.creator | Dohcevic-Mitrovic, Z. D. | |
dc.creator | Grujić-Brojčin, Mirjana | |
dc.creator | Šćepanović, Maja | |
dc.creator | Popović, Zoran V. | |
dc.creator | Bošković, Snežana B. | |
dc.creator | Matović, Branko | |
dc.creator | Zinkevich, M. | |
dc.creator | Aldinger, Fritz | |
dc.date.accessioned | 2018-03-03T14:19:51Z | |
dc.date.available | 2018-03-03T14:19:51Z | |
dc.date.issued | 2006 | |
dc.identifier.issn | 0953-8984 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/6619 | |
dc.description.abstract | Nanopowdered solid solution Ce1-xY(Nd)(x)O2-delta samples ( 0.1 LT = x LT = 0.25) were made by self-propagating room temperature (SPRT) synthesis. The first-order Raman spectra of Ce1-xY(Nd)(x)O2-delta samples measured at room temperature exhibit three broad features: the main Raman active F-2g mode at about 450 cm(-1) and two broad features at about 550 (545) and 600 cm-1. The mode at similar to 600 cm(-1) was assigned to the intrinsic oxygen vacancies due to the nonstoichiometry of ceria nanopowders. The mode at about 550 (545) cm(-1) was attributed to the oxygen vacancies introduced into the ceria lattice whenever Ce4+ ions are replaced with trivalent cations (Y3+, Nd3+). The intensity of this mode increases with doping in both series of samples, indicating a change of O2- vacancy concentration. The mode frequency shifts in opposite direction in Y- and Nd-doped samples with doping level, suggesting that different types of defect space can occur in Y- and Nd-doped ceria nanopowders. | en |
dc.rights | restrictedAccess | en |
dc.source | Journal of Physics: Condensed Matter | en |
dc.title | Ce1-xY(Nd)(x)O2-delta nanopowders: potential materials for intermediate temperature solid oxide fuel cells | en |
dc.type | article | en |
dcterms.abstract | Матовић Бранко; Грујиц-Бројцин, М.; Дохцевиц-Митровиц, З. Д.; Сцепановиц, М.; Поповиц, З. В.; Босковиц, С.; Зинкевицх, М.; Aлдингер, Ф.; | |
dc.citation.volume | 18 | |
dc.citation.issue | 33 | |
dc.citation.spage | S2061 | |
dc.citation.epage | S2068 | |
dc.identifier.wos | 000239558800024 | |
dc.identifier.doi | 10.1088/0953-8984/18/33/S22 | |
dc.citation.other | Special Issue: SI | |
dc.citation.rank | M21 | |
dc.description.other | International School and Workshop on Nanoscience and Nanotechnology, Nov 14-16, 2005, Monte Porzio Catone, Italy | en |
dc.identifier.scopus | 2-s2.0-33746931257 |
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