Glass transition in the spin-density wave phase of (TMTSF)2PF6

J.C. Lasjaunias; K. Biljakovic; F. Nad; P. Monceau; K. Bechgaard

doi:10.1103/PhysRevLett.72.1283

Glass transition in the spin-density wave phase of (TMTSF)₂PF₆

J.C. Lasjaunias, K. Biljakovic, F. Nad, P. Monceau, K. Bechgaard

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Abstract

We present the results of low frequency dielectric measurements and a detailed kinetic investigation of the specific heat anomaly in the spin-density wave phase of (TMTSF)(2)PF6 in the temperature range between 2 and 4 K. The dielectric relaxation shows a critical slowing down towards a ''static'' glass transition around 2 K. The jump in the specific heat in different controlled kinetic conditions shows all the characteristics of freezing in supercooled liquids. Both effects give direct evidence of a glass transition in the spin-density wave ground state.

Original language	English
Journal	Physical Review Letters
Volume	72
Issue number	8
Pages (from-to)	1283-1286
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.72.1283
Publication status	Published - 1994

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title = "Glass transition in the spin-density wave phase of (TMTSF)2PF6",

abstract = "We present the results of low frequency dielectric measurements and a detailed kinetic investigation of the specific heat anomaly in the spin-density wave phase of (TMTSF)(2)PF6 in the temperature range between 2 and 4 K. The dielectric relaxation shows a critical slowing down towards a ''static'' glass transition around 2 K. The jump in the specific heat in different controlled kinetic conditions shows all the characteristics of freezing in supercooled liquids. Both effects give direct evidence of a glass transition in the spin-density wave ground state. ",

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AU - Biljakovic, K.

AU - Nad, F.

AU - Monceau, P.

AU - Bechgaard, K.

PY - 1994

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N2 - We present the results of low frequency dielectric measurements and a detailed kinetic investigation of the specific heat anomaly in the spin-density wave phase of (TMTSF)(2)PF6 in the temperature range between 2 and 4 K. The dielectric relaxation shows a critical slowing down towards a ''static'' glass transition around 2 K. The jump in the specific heat in different controlled kinetic conditions shows all the characteristics of freezing in supercooled liquids. Both effects give direct evidence of a glass transition in the spin-density wave ground state.

AB - We present the results of low frequency dielectric measurements and a detailed kinetic investigation of the specific heat anomaly in the spin-density wave phase of (TMTSF)(2)PF6 in the temperature range between 2 and 4 K. The dielectric relaxation shows a critical slowing down towards a ''static'' glass transition around 2 K. The jump in the specific heat in different controlled kinetic conditions shows all the characteristics of freezing in supercooled liquids. Both effects give direct evidence of a glass transition in the spin-density wave ground state.

KW - Materialer med særlige fysiske og kemiske egenskaber

U2 - 10.1103/PhysRevLett.72.1283

DO - 10.1103/PhysRevLett.72.1283

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