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Titolo:
The valence and transport property studies for the solid solution Ce1-xEuxO2-delta synthesized by high-temperature and high-pressure
Autore:
Che, YL; Li, LP; Li, GS; Lu, Z; Lin, XM; Xiang, J; Su, WH;
Indirizzi:
Jilin Univ, Dept Phys, Changchun 130023, Peoples R China Jilin Univ Changchun Peoples R China 130023 chun 130023, Peoples R China Jilin Univ, Key Lab Inorgan Synth & Preparat Chem, Changchun 130023, Peoples R China Jilin Univ Changchun Peoples R China 130023 chun 130023, Peoples R China Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China Acad Sinica Shenyang Peoples R China 110015 yang 110015, Peoples R China
Titolo Testata:
CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
fascicolo: 3, volume: 22, anno: 2001,
pagine: 368 - 370
SICI:
0251-0790(200103)22:3<368:TVATPS>2.0.ZU;2-5
Fonte:
ISI
Lingua:
CHI
Soggetto:
HYDROTHERMAL SYNTHESIS; (CEO2)(1-X)(BIO1.5)(X); CONDUCTION; XPS;
Keywords:
high-temperature and high-pressure; valence state; transport property;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Li, LP Jilin Univ, Dept Phys, Changchun 130023, Peoples R China Jilin Univ Changchun Peoples R China 130023 0023, Peoples R China
Citazione:
Y.L. Che et al., "The valence and transport property studies for the solid solution Ce1-xEuxO2-delta synthesized by high-temperature and high-pressure", CHEM J CH U, 22(3), 2001, pp. 368-370

Abstract

The solid solutions Ce1-xEuxO2-delta (x = 0.10-0.50) were synthesized by high-temperature and high-pressure, The XRD measurement showed that the solid solution was crystallized in cubic fluorite-type structure and the lattice parameter increased with the content of Eu increasing up to x = 0.4. The solution limit was ca. 0.4 under the condition of 3.6 GPa, 840-1020 degreesC. The XPS data showed that the Eu ions are Eu3+ and trace of Ce4+ ions were reduced to Ce3+ ions during synthesis of high-temperature and high-pressure. The ionic conduction for Ce0.8Eu0.2O2-delta was measured by impedance spectroscopy and it was found that the activation energy was 1.07 eV and theconductivity was 3.43 x 10(-5) S.cm(-1) at 550 degreesC.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 03:49:35