Kirk, J. L. ; Vedam, K. ; Narayanamurti, V. ; Jayaraman, A. ; Bucher, E. (1972) Direct optical observation of the semiconductor-to-metal transition in SmS under pressure Physical Review B: Condensed Matter and Materials Physics, 6 (8). pp. 3023-3026. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v6/i8/p3023_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.6.3023
Abstract
A discontinuous change in the reflectivity due to the first-order semiconductor-to-metal transition has been observed in SmS at a pressure of about 6 kbar. The metallic state is characterized by a golden yellow luster which arises because of interband transitions superimposed on the Drude reflectivity. These results and the pressure dependence of the optical-absorption edge in semiconducting SmSe and SmTe are in excellent agreement with earlier resistivity measurements.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 87492 |
| Deposited On: | 19 Mar 2012 06:51 |
| Last Modified: | 30 Nov 2012 04:33 |
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