Alka B Garg et al 2002 J. Phys.: Condens. Matter 14 8795 doi:10.1088/0953-8984/14/38/304
Alka B Garg, V Vijayakumar, P Modak, D M Gaitonde, R S Rao, B K Godwal and S K Sikka
Show affiliationsExperimental 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.
64.30.-t Equations of state of specific substances
Issue 38 (30 September 2002)
Received 18 April 2002
Published 12 September 2002
Alka B Garg et al 2002 J. Phys.: Condens. Matter 14 8795
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