Ahuja, B. L. ; Dashora, Alpa ; Tiwari, Shailja ; Mund, H. S. ; Halder, Madhumita ; Yusuf, S. M. ; Itou, M. ; Sakurai, Y. (2012) Enhancement of ferromagnetism in Ni excess Cu1-xNixMnSb half Heusler alloys Journal of Applied Physics, 111 (3). Article ID 033914. ISSN 0021-8979
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Official URL: http://aip.scitation.org/doi/abs/10.1063/1.3682544
Related URL: http://dx.doi.org/10.1063/1.3682544
Abstract
Spin momentum densities of Cu1-xNixMnSb (for x = 0.17 and 0.22), derived from experimental magnetic Compton profiles (MCPs), show an increase in magnetic moment while going from x = 0.17 → 0.22, which is attributed to Mn 3d states. MCPs along with magnetization data suggest a negligible contribution of orbital moment. The MCPs and spin moments at Mn 3d states computed using the spin polarized relativistic Korringa-Kohn-Rostoker technique are in good agreement with the experimental data. An unusual increase in magnetic moment (2.77 ± 0.03 μB/f.u. for x = 0.17 to 3.94 ± 0.03 μB/f.u. for x = 0.22) is due to significant rise in local magnetic moment on Mn site. For x = 0.22 (0.17), presence of antiferromagnetic phase is observed to be 2 (31)%.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| ID Code: | 112256 |
| Deposited On: | 01 Dec 2017 11:47 |
| Last Modified: | 01 Dec 2017 11:47 |
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