Garg, Alka B. ; Vijayakumar, V. ; Modak, P. ; Gaitonde, D. M. ; Rao, R. S. ; Godwal, B. K. ; Sikka, S. K. (2002) High-pressure resistance and equation-of-state anomalies in Zn: a possible Lifshitz transition Journal of Physics: Condensed Matter, 14 (38). pp. 8795-8802. ISSN 0953-8984
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Official URL: http://iopscience.iop.org/0953-8984/14/38/304
Related URL: http://dx.doi.org/10.1088/0953-8984/14/38/304
Abstract
Experimental results on electrical resistance variation with pressure up to 25 GPa are presented for zinc; they reveal the signature of an electronic topological transition. Theoretical estimates based on the results of first-principles band structure calculations corroborate the observed variation of the resistance. The Lifshitz transition, which is hardly observable in experimental P-V data, becomes discernible via the equation of state, in the universal as well as in Holzapfel's form. Another anomaly in the measured resistance is also observed around 20 GPa pressure. The resistance variation with pressure exhibits considerable hysteresis.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Physics Publishing. |
| ID Code: | 11972 |
| Deposited On: | 10 Nov 2010 06:39 |
| Last Modified: | 02 Jun 2011 09:01 |
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