Sm A - ferroelectric-Sm C transition in the mixture of C7+10.O.4 and in the ferroelectric C7

Date

2020-01-02

Author

Aksoy, S.
Kurt, M.
Yurtseven, Hasan Hamit

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Tilt angle and the dielectric constant (susceptibility ) as functions of the field strength and temperature, respectively are calculated from the Landau phenomenological model and they are fitted to the observed data from the literature for the Sm A - Sm C* transition in the mixture of C7 + 10.O.4. Values of the critical exponents for the order parameters (tilt angle and polarization P) and tilt angle susceptibility of C7 and of the (dielectric constant) of the mixture C7 + 10.O.4 close to are extracted from the power-law formula. Our results indicate a second-order and a weakly first-order Sm A - Sm C* transitions for C7 + 10.O.4 and C7, respectively as also observed experimentally.

Subject Keywords

Electronic, Optical and Magnetic Materials, Condensed Matter Physics

URI

https://hdl.handle.net/11511/36643

Journal

FERROELECTRICS

DOI

https://doi.org/10.1080/00150193.2019.1684762

Collections

Department of Physics, Article

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Citation Formats

S. Aksoy, M. Kurt, and H. H. Yurtseven, “Sm A - ferroelectric-Sm C transition in the mixture of C7+10.O.4 and in the ferroelectric C7,” FERROELECTRICS, pp. 21–29, 2020, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/36643.