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Titolo:
XPS STUDY OF CETBO3-PRESSURE AND TEMPERATURE METHODS(DELTA SYNTHESIZED BY HIGH)
Autore:
LI LP; WEI Q; LIU HJ; ZHENG DF; SU WH;
Indirizzi:
JILIN UNIV,DEPT PHYS CHANGCHUN 130023 PEOPLES R CHINA JILIN UNIV,CTR MEASUREMENT CHANGCHUN 130023 PEOPLES R CHINA CCAST,WORLD LAB,CTR CONDENSED MATTER & RADIAT PHYS BEIJING 100080 PEOPLES R CHINA
Titolo Testata:
Zeitschrift fur Physik. B, Condensed matter
fascicolo: 4, volume: 96, anno: 1995,
pagine: 451 - 454
SICI:
0722-3277(1995)96:4<451:XSOCAT>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
X-RAY PHOTOELECTRON; SPECTROSCOPY; CERIUM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
L.P. Li et al., "XPS STUDY OF CETBO3-PRESSURE AND TEMPERATURE METHODS(DELTA SYNTHESIZED BY HIGH)", Zeitschrift fur Physik. B, Condensed matter, 96(4), 1995, pp. 451-454

Abstract

The samples of CeTbO3+delta synthesized by high pressure and high temperature method were studied by XPS. It was found that Tb4+ ion began to transform to Tb3+ at about 600 degrees C and Ce4+ to Ce3+ about 800degrees C. Single phase compound of CeTbO3+delta having fluorite structure was formed at 1000 degrees C, and in the compound the Ce ions had been in mixed valence state. Existence of Ce3+ ions in compounds could be detected with the shift of the 888 eV peak and the change of relative intensity of it to the 882 eV peak. The duration stability of CeTbO3+delta synthesized by high pressure and temperature method was investigated.

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Documento generato il 29/03/20 alle ore 09:08:22