Ramasamy, S. ; Sekar, V. ; Nagarajan, T. ; Sunandana, C. S. ; Subba Rao, G. V. (1981) Positron annihilation studies on SmS and Sm0.85Y0.15S Solid State Communications, 38 (10). pp. 943-946. ISSN 0038-1098
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0038-1098(81)90782-1
Abstract
Angular distribution of annihilation photons has been measured in SmS and Sm0.85Y0.15S. The distribution curves show that SmS is ionic at NTP and Sm0.85Y0.15S is metallic with an intermediatte valence of 2.73 for samarium ion. The large density of states due to the ƒ-level appears around 3 mrad in the momentum density distribution. The results are in agreement with the available Mössbauer and lattice constant data.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 52034 |
| Deposited On: | 02 Aug 2011 08:03 |
| Last Modified: | 02 Aug 2011 08:03 |
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