TEMPERATURE DEPENDENCE OF ELECTRICAL CRITICAL FIELD FOR ONE SmC* MATERIAL.

S. Dumrongrattana, C. C. Huang

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

In an increasing applied electrical field from zero, the helical pitch in the chiral-smectic-C (SmC*) phase will disappear at a critical field (E//u). In a decreasing electrical field, the helical pitch will reappear at another critical field (E//r). Both E//u and E//r have been measured in the SmC* phase of DOBAMBC and behave like (T//c - T)**c with exponent c approximately equal to 0. 5. The hysteresis DELTA E equals E//u minus E//r seems to approach zero with (T//c - T)**x and x equals 0. 57 plus or minus 0. 09.

Original languageEnglish (US)
Pages (from-to)2117-2120
Number of pages4
JournalJournal de physique Paris
Volume47
Issue number12
DOIs
StatePublished - 1986

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