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Specific heats of the charge density wave compounds o-TaS3 and (TaSe4)(2)I (CROSBI ID 100558)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Starešinić, Damir ; Kiš, Andraš ; Biljaković, Katica ; Emerling, Bridget ; Brill, Joseph W. ; Souletie, Jean ; Berger, Helmuth ; Levy, Frances Specific heats of the charge density wave compounds o-TaS3 and (TaSe4)(2)I // European physical journal B : condensed matter physics, 29 (2002), 1; 71-77-x

Podaci o odgovornosti

Starešinić, Damir ; Kiš, Andraš ; Biljaković, Katica ; Emerling, Bridget ; Brill, Joseph W. ; Souletie, Jean ; Berger, Helmuth ; Levy, Frances

engleski

Specific heats of the charge density wave compounds o-TaS3 and (TaSe4)(2)I

Specific heats of the charge-density-wave compounds o-TaS3 and (TaSe4)(2) I have been measured over the wide temperature interval 10 K-300 K. Both systems exhibit strong non-Debye behavior. Very weak and broad anomalies are observed at the Peierls transition temperatures. For o-TaS3, the change in the curvature of the specific heat occurs at temperature of 40 K where glass transition has been deduced from dielectric measurements, and an extended scaling analysis suggests that the glass transition is associated with a dynamical cross over in length scales. We briefly discuss the characteristics and physical origins of the anomalies at both the Peierls and glass transitions.

one-dimensional conductor; low-energy excitations; peierls transition; specifih heat

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Podaci o izdanju

29 (1)

2002.

71-77-x

objavljeno

1434-6028

Povezanost rada

Fizika

Indeksiranost