Pressure dependence of the metal-insulator transition in tetrathiofulvalinium tetracyanoquinodimethane (ttf-tcnq)

C. W. Chu; J. M.E. Harper; T. H. Geballe; R. L. Greene

doi:10.1103/PhysRevLett.31.1491

Pressure dependence of the metal-insulator transition in tetrathiofulvalinium tetracyanoquinodimethane (ttf-tcnq)

C. W. Chu, J. M.E. Harper, T. H. Geballe, R. L. Greene

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Abstract

Measurements of the conductivity of single-crystal TTF-TCNQ are reported for pressures 0-20 kbar and temperatures 20-273°K. The metal-insulator transition temperature increases about 1°K/kbar. The conductivity at 273°K increases by a factor of 4.5 at 20 kbar, while the peak conductivity near the metal-insulator transition remains independent of pressure. These results are discussed in terms of current models describing the properties of TTF-TCNQ.

Original language	English
Pages (from-to)	1491-1494
Number of pages	4
Journal	Physical review letters
Volume	31
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.31.1491
Publication status	Published - 1973

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.31.1491

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abstract = "Measurements of the conductivity of single-crystal TTF-TCNQ are reported for pressures 0-20 kbar and temperatures 20-273°K. The metal-insulator transition temperature increases about 1°K/kbar. The conductivity at 273°K increases by a factor of 4.5 at 20 kbar, while the peak conductivity near the metal-insulator transition remains independent of pressure. These results are discussed in terms of current models describing the properties of TTF-TCNQ.",

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AU - Chu, C. W.

AU - Harper, J. M.E.

AU - Geballe, T. H.

AU - Greene, R. L.

PY - 1973

Y1 - 1973

N2 - Measurements of the conductivity of single-crystal TTF-TCNQ are reported for pressures 0-20 kbar and temperatures 20-273°K. The metal-insulator transition temperature increases about 1°K/kbar. The conductivity at 273°K increases by a factor of 4.5 at 20 kbar, while the peak conductivity near the metal-insulator transition remains independent of pressure. These results are discussed in terms of current models describing the properties of TTF-TCNQ.

AB - Measurements of the conductivity of single-crystal TTF-TCNQ are reported for pressures 0-20 kbar and temperatures 20-273°K. The metal-insulator transition temperature increases about 1°K/kbar. The conductivity at 273°K increases by a factor of 4.5 at 20 kbar, while the peak conductivity near the metal-insulator transition remains independent of pressure. These results are discussed in terms of current models describing the properties of TTF-TCNQ.

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Pressure dependence of the metal-insulator transition in tetrathiofulvalinium tetracyanoquinodimethane (ttf-tcnq)

Abstract

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