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Slowing down of the relaxational dynamics at the ferroelectric phase transition in one-dimensional (TMTTF)2AsF6 (CROSBI ID 117370)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Starešinić, Damir ; Biljaković, Katica ; Lunkenheimer, Peter ; Loidl, Alois Slowing down of the relaxational dynamics at the ferroelectric phase transition in one-dimensional (TMTTF)2AsF6 // Solid state communications, 137 (2005), 5; 241-245-x

Podaci o odgovornosti

Starešinić, Damir ; Biljaković, Katica ; Lunkenheimer, Peter ; Loidl, Alois

engleski

Slowing down of the relaxational dynamics at the ferroelectric phase transition in one-dimensional (TMTTF)2AsF6

We present measurements of the dielectric response of quasi one-dimensional (TMTTF)2AsF6 in a wide temperature and frequency range. We provide a thorough characterization of the relaxational dynamics observed close to the ferroelectric-like transition at Tc = 100 K. Our measurements, extending up to 100 MHz, reveal a continuous slowing down of the mean relaxation time when approaching Tc from high as well as from low temperatures. The simultaneous critical rise of dielectric constant and relaxation time point to an explanation of the transition in terms of a classic ferroelectric scenario.

organic crystals; ferroelectrics; dielectric response; phase transitions

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Podaci o izdanju

137 (5)

2005.

241-245-x

objavljeno

0038-1098

Povezanost rada

Fizika

Poveznice
Indeksiranost