| Issue |
EPL
Volume 98, Number 1, April 2012
|
|
|---|---|---|
| Article Number | 17006 | |
| Number of page(s) | 3 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/98/17006 | |
| Published online | 11 April 2012 | |
The change of d-electron occupancy in Ti-Ni solid-solution alloys measured by electron energy loss spectroscopy
1
Key Laboratory of Advanced Welding Technology, Department of Materials Science and Engineering, Jiangsu University of Science and Technology - Mengxi Road 2, 212003 Zhenjiang, China
2
Key Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University Shuangqing Road 30, 100084 Beijing, China (b)
Received:
31
December
2011
Accepted:
1
March
2012
Pure Ti, pure Ni and some Ti-Ni solid-solution alloys have been studied by electron energy loss spectroscopy (EELS) and the d-electron occupancy of both Ti and Ni in the alloys has been calculated in terms of white-line intensity. It is found that after alloying the d-electron occupancy of Ti increases noticeably and the value is larger than 1, and the change of d-electron occupancy of Ni is very small. The change of d-electron occupancy is discussed in terms of charge transfer mechanism, local charge neutrality (LCN) approximation, and hybridization.
PACS: 79.20.Uv – Electron energy loss spectroscopy / 34.80.Dp – Atomic excitation and ionization
© EPLA, 2012
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