Direct Observation of Enhanced Lattice Stability in V3Si under Hydrostatic Pressure

C. W. Chu; L. R. Testardi

doi:10.1103/PhysRevLett.32.766

Direct Observation of Enhanced Lattice Stability in V3Si under Hydrostatic Pressure

C. W. Chu, L. R. Testardi

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Abstract

The lattice transformation temperature TL of single-crystal V3Si was directly observed to decrease linearly with hydrostatic pressure at a rate of -(1.5 ± 0.1) × 10-4 °K bar-1. To explain the pressure dependence of TL and the elastic behavior, the Labbé-Friedel model must be extended to include interband charge-transfer effects as a new variable, in agreement with a recent calculation of Ting and Ganguly. We give a discussion of these results related to structural instability and superconductivity.

Original language	English
Pages (from-to)	766-769
Number of pages	4
Journal	Physical review letters
Volume	32
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevLett.32.766
Publication status	Published - 1974

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.32.766

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title = "Direct Observation of Enhanced Lattice Stability in V3Si under Hydrostatic Pressure",

abstract = "The lattice transformation temperature TL of single-crystal V3Si was directly observed to decrease linearly with hydrostatic pressure at a rate of -(1.5 ± 0.1) × 10-4 °K bar-1. To explain the pressure dependence of TL and the elastic behavior, the Labb{\'e}-Friedel model must be extended to include interband charge-transfer effects as a new variable, in agreement with a recent calculation of Ting and Ganguly. We give a discussion of these results related to structural instability and superconductivity.",

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AU - Testardi, L. R.

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AB - The lattice transformation temperature TL of single-crystal V3Si was directly observed to decrease linearly with hydrostatic pressure at a rate of -(1.5 ± 0.1) × 10-4 °K bar-1. To explain the pressure dependence of TL and the elastic behavior, the Labbé-Friedel model must be extended to include interband charge-transfer effects as a new variable, in agreement with a recent calculation of Ting and Ganguly. We give a discussion of these results related to structural instability and superconductivity.

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JO - Physical review letters

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Direct Observation of Enhanced Lattice Stability in V3Si under Hydrostatic Pressure

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