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Complex temperature dependence of the dielectric response in simple SmC* phases (CROSBI ID 322718)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Jukić, Dina ; Čepič, Mojca Complex temperature dependence of the dielectric response in simple SmC* phases // Soft matter, 1 (2023), 1-5. doi: 10.1039/d3sm00028a

Podaci o odgovornosti

Jukić, Dina ; Čepič, Mojca

engleski

Complex temperature dependence of the dielectric response in simple SmC* phases

The system under study has a SmA* ↔ SmC* phase sequence, and is described by a basic phenomenological model. However, in contrast to a common approach, changes of the polarisation induced by the external electric field are considered independent of changes of the tilt. As a result, even in the basic model, which does not contain any additional terms usually used to obtain better fits to experimental observations, frequencies of the most of relaxation modes depend on the temperature non-linearly and their dielectric response is not inversely proportional to the frequency of the mode. The behaviour is a direct consequence of chiral piezoelectric coupling, which influences polar properties of the relaxation modes in dependence of the temperature.

Dielectric response ; Polar ; Smectic ; Liquid Crystal

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Podaci o izdanju

1

2023.

1-5

objavljeno

1744-683X

1744-6848

10.1039/d3sm00028a

Povezanost rada

Fizika

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