ANTIFERROELECTRIC PHASE AND TRISTABLE SWITCHING IN MHPOBC

被引：83

作者：

TAKEZOE, H ^{[1
]}

LEE, JI ^{[1
]}

CHANDANI, ADL ^{[1
]}

GORECKA, E ^{[1
]}

OUCHI, Y ^{[1
]}

FUKUDA, A ^{[1
]}

TERASHIMA, K ^{[1
]}

FURUKAWA, K ^{[1
]}

机构：

[1] CHISSO CO,KANAGAWA KU,YOKOHAMA 236,JAPAN

来源：

FERROELECTRICS | 1991年 / 114卷 / 1-4期

关键词：

D O I：

10.1080/00150199108221581

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Antiferroelectric phases of MHPOBC were studied by means of thermal analysis, electro-optic measurements and conoscopy. It was found that the phase transitions are seriously influenced by the optical purity of the material. Subphases in the transition region of SmA (paraelectric)-SmC(ferroelectric)-SmCA (antiferroelectric) are distinguished only in compounds with high optical purity. One of them are clearly recognized by conoscopy under an electric field as well as pitch and optical rotation measurements. Threshold behavior in the tristable switching was also studied as functions of temperature and cell thickness. It was found that the hysteresis in the apparent tilt angle tends to disappear with increasing the cell thickness, while the dc threshold is an inherent property of the antiferroelectric phase. The dc threshold behavior was also confirmed in a homeotropic cell using conoscopy. © 1991 Gordon and Breach Science Publishers S.A.

引用

页码：187 / 197

页数：11

共 4 条

[1] NOVEL PHASES EXHIBITING TRISTABLE SWITCHING [J].

CHANDANI, ADL ;

OUCHI, Y ;

TAKEZOE, H ;

FUKUDA, A ;

TERASHIMA, K ;

FURUKAWA, K ;

KISHI, A .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 1989, 28 (07) :L1261-L1264

[2] ANTIFERROELECTRIC CHIRAL SMECTIC PHASES RESPONSIBLE FOR THE TRISTABLE SWITCHING IN MHPOBC [J].

CHANDANI, ADL ;

GORECKA, E ;

OUCHI, Y ;

TAKEZOE, H ;

FUKUDA, A .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 1989, 28 (07) :L1265-L1268

[3] TRISTABLE SWITCHING IN SURFACE STABILIZED FERROELECTRIC LIQUID-CRYSTALS WITH A LARGE SPONTANEOUS POLARIZATION [J].

CHANDANI, ADL ;

HAGIWARA, T ;

SUZUKI, Y ;

OUCHI, Y ;

TAKEZOE, H ;

FUKUDA, A .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1988, 27 (05) :L729-L732

[4] NEW PHASES IN THE FERROELECTRIC LIQUID-CRYSTAL MHPOBC STUDIED BY DIFFERENTIAL SCANNING CALORIMETRY [J].

FUKUI, M ;

ORIHARA, H ;

YAMADA, Y ;

YAMAMOTO, N ;

ISHIBASHI, Y .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1989, 28 (05) :L849-L850

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