Pressure dependence of the conduction-electron-spin-resonance linewidth of the 
α and β phases of di-bis(ethylene- diothiolo)tetrathiafulvalene triiodide

Forró, L.; Sekretarczyk, G.; Krupski, M.; Schweitzer, D.; Keller, H.

doi:10.1103/PhysRevB.35.2501

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Pressure dependence of the conduction-electron-spin-resonance linewidth of the α and β phases of di-bis(ethylene- diothiolo)tetrathiafulvalene triiodide

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Schweitzer, D.
Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society;

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Keller, H.
Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Forró, L., Sekretarczyk, G., Krupski, M., Schweitzer, D., & Keller, H. (1987). Pressure dependence of the conduction-electron-spin-resonance linewidth of the α and β phases of di-bis(ethylene- diothiolo)tetrathiafulvalene triiodide. Physical Review B, 35(5), 2501-2504. doi:10.1103/PhysRevB.35.2501.

Cite as: https://hdl.handle.net/21.11116/0000-0008-1E77-2

Abstract

We report conduction-electron-spin-resonance linewidth (ΔH) measurements of the α and β phases of the organic conductor di-bis(ethylenediothiolo)tetrathiafulvalene triiodide [(BEDT-TTF)2I3] in the 80–300 K temperature range under applied pressures of up to 5 kbar. ΔH increases under pressure in contrast to the predictions of the Elliot formula for the spin relaxation in metals. The pressure derivative d(lnΔH)/dP is -5.5±1%/kbar and 9.8±1%/kbar for the α and β phases of (BEDT-TTF)2I3 respectively.