| Effects of Zr and Nb on d electrons in NiAl alloy studied by coincidence positron annihilation spectroscopy | |
| Deng, W; Guo, JT; Brusa, RS; Karwasz, GP; Zecca, A | |
| Corresponding Author | Deng, W(wdeng@gxu.edu.cn) |
| 2005-11-01 | |
| Source Publication | MATERIALS LETTERS
 |
| ISSN | 0167-577X |
| Volume | 59Issue:27Pages:3389-3392 |
| Abstract | The behavior of d electrons in pure Ni, Zr, Nb metals and NiAl-based alloys (NiAl, Ni50Al48Zr2 and Ni50Al48Nb2) has been studied by two-detector coincidence system of Doppler broadening of positron annihilation radiation. It has been found that the probability of positron annihilation with 3d electrons in binary NiAl alloy is relatively low due to the Ni 3d-Al 3p interactions. The additions of Zr or Nb atoms to NiAl alloy lead to the enhancement of d-d interactions and thus the d electron signal in the spectrum. The d electron signal in the spectrum of Ni50Al48Nb2 alloy is higher than that of Ni50Al48Zr2 alloy, that is, the Nb addition is more effective in enhancing the d-d interactions in NiAl alloy compared with the Zr addition. (C) 2005 Elsevier B.V. All rights reserved. |
| Keyword | coincidence positron annihilation spectroscopy d electrons NiAl alloy |
| DOI | 10.1016/j.matlet.2005.05.075 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Research Area | Materials Science ; Physics |
| WOS Subject | Materials Science, Multidisciplinary ; Physics, Applied |
| WOS ID | WOS:000232347900011 |
| Publisher | ELSEVIER SCIENCE BV |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/85021 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Deng, W |
| Affiliation | 1.Guangxi Univ, Dept Phys, Nanning 530004, Guangxi Prov, Peoples R China 2.Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China 3.Univ Trent, Ist Natl Fis Mat, Dipartimento Fis, I-38050 Trento, Italy |
| Recommended Citation GB/T 7714 | Deng, W,Guo, JT,Brusa, RS,et al. Effects of Zr and Nb on d electrons in NiAl alloy studied by coincidence positron annihilation spectroscopy[J]. MATERIALS LETTERS,2005,59(27):3389-3392. |
| APA | Deng, W,Guo, JT,Brusa, RS,Karwasz, GP,&Zecca, A.(2005).Effects of Zr and Nb on d electrons in NiAl alloy studied by coincidence positron annihilation spectroscopy.MATERIALS LETTERS,59(27),3389-3392. |
| MLA | Deng, W,et al."Effects of Zr and Nb on d electrons in NiAl alloy studied by coincidence positron annihilation spectroscopy".MATERIALS LETTERS 59.27(2005):3389-3392. |
| Files in This Item: | There are no files associated with this item. | |||||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment