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Tai Nguyen So - Vietnam National University, Ha Noi - VNU >
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http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/12047
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| Title: | X-ray photoelectron spectroscopies of Ni-doped Bi-2212 compounds |
| Authors: | Man N.K.
Garg K.B.
Hien T.D.
Sinh N.H.
Phuc N.X.
Venkatesh S. |
| Keywords: | Superconductors - high-Tc
Valence state
XPS |
| Issue Date: | 1998 |
| Publisher: | Journal of Magnetism and Magnetic Materials |
| Citation: | Volume 177-181, Issue PART 1, Page 527-528 |
| Abstract: | Samples with the nominal composition Bi2Sr2Ca1Cu2-xNixO 8+δ (x = 0.00, 0.02, 0.10, 0.20) have been studied by X-ray photoelectron spectroseopy (XPS). From deconvolution of Bi 4f and O 1s XPS core-level spectra, we propose that the main reason leading to the decrease of superconducting transition temperature (Tc) with increasing Ni content, is the distortion of the Bi-2212 crystal structure by extra oxygen being intercalated between the adjacent Bi-O layers which then affects the hole concentration (nh) of the CuO2 planes. © 1998 Elsevier Science B.V. All rights reserved. |
| URI: | http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/12047 |
| ISSN: | 3048853 |
| Appears in Collections: | Articles of Universities of Vietnam from Scopus
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