ICCAS OpenIR
XPS study on electronic structure for LnCu(2)O(4) (Ln = Gd, Nd)
Zhao, LZ; Liu, F; Zhang, L
2001-04-01
Source PublicationACTA PHYSICO-CHIMICA SINICA
ISSN1000-6818
Volume17Issue:4Pages:310-313
AbstractThe core levels and valence band spectra of LnCu(2)O(4) (Ln = Gd, Nd) were recorded by XPS. It has been observed that the Ln 3 d binding energies of LnCu(2)O(4) are 0. 8 - 0. 9 eV lower than that of the corresponding rare earth oxide. On the other hand, the Cu 2 p binding energies of LnCu(2)O(4) are 0. 4 - 0. 5 eV higher than that of CuO. This has been explained by the Cu-->O-->Ln charge transfer in Ln - O - Cu linkage of LnCu(2)O(4). The XPS results also show that there is no mixed valence of Cu in LnCu(2)O(4). The X-ray induced valence bands reveal that the center of Ln 4f-Cu 3 d-O 2p valence band for Nd0.97Cu2O4 has a 3. 4 eV lower binding energy compared to the center for Gd0.98Cu2O4. Besides, the width of valence band for Nd0.97Cu2O4. is narrower than that of Gd0.98Cu2O4.
KeywordComplex Oxides Electronic Structure Xps Lncu(2)o(4) (Ln = Gd Nd)
DOI10.3866/PKU.WHXB20010406
Indexed BySCI
Language英语
WOS IDWOS:000168268900006
PublisherPEKING UNIV PRESS
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/77614
Collection中国科学院化学研究所
Corresponding AuthorZhao, LZ
AffiliationChinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhao, LZ,Liu, F,Zhang, L. XPS study on electronic structure for LnCu(2)O(4) (Ln = Gd, Nd)[J]. ACTA PHYSICO-CHIMICA SINICA,2001,17(4):310-313.
APA Zhao, LZ,Liu, F,&Zhang, L.(2001).XPS study on electronic structure for LnCu(2)O(4) (Ln = Gd, Nd).ACTA PHYSICO-CHIMICA SINICA,17(4),310-313.
MLA Zhao, LZ,et al."XPS study on electronic structure for LnCu(2)O(4) (Ln = Gd, Nd)".ACTA PHYSICO-CHIMICA SINICA 17.4(2001):310-313.
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