Electric Field Effect on Chiral Smectic Phases of Antiferroelectric Liquid Crystal

被引：0

作者：

Fajar, Andika ^{[1
]}

Takikawa, Yoshinori ^{[2
]}

Iwata, Makoto ^{[2
]}

Orihara, Hiroshi ^{[3
]}

机构：

[1] Natl Res & Innovat Agcy, Res Ctr Adv Mat, Tangerang 15314, Selatan, Indonesia

[2] Nagoya Inst Technol, Grad Sch Engn, Dept Phys Sci & Engn, Nagoya 4668555, Japan

[3] Hokkaido Univ, Res Inst Elect Sci, Sapporo 0608628, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2024年 / 93卷 / 03期

关键词：

SMC-ALPHA-ASTERISK; METHYLHEPTYLOXYCARBONYLPHENYL OCTYLOXYBIPHENYL CARBOXYLATE; CRITICAL-BEHAVIOR; DEVILS STAIRCASE; TRANSITIONS; FERRIELECTRICITY; BIREFRINGENCE; MODES;

D O I：

10.7566/JPSJ.93.034709

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Optical measurements using a photoelastic modulator and dielectric measurements under DC electric fields have been conducted on the chiral smectic phases of the antiferroelectric liquid crystal 4-(1-methyl heptyloxycarbonyl phenyl) 4'octyloxy biphenyl-4-carboxylate (MHPOBC). The detailed electric field-temperature phase diagrams of MHPOBC have been obtained, in which a tricritical point was found on the SmA-SmC alpha* phase transition line. Furthermore, the soft mode condensation inducing the SmA-SmC alpha* phase transition was observed successfully in a very narrow temperature region in the SmA phase by dielectric measurements under DC electric fields.

引用

页数：7

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