The existence of a tricritical point in the smectic A-smectic C transition line

C. C. Huang

doi:10.1016/0038-1098(82)90921-8

The existence of a tricritical point in the smectic A-smectic C transition line

C. C. Huang

Research output: Contribution to journal › Article › peer-review

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Abstract

In the light of a recent x-ray study on the smectic layer spacing in the vicinity of the smectic A-smectic C (SmA-SmC) transition of the TBBA (terephthal-bis-(4n)-butylaniline) homologous series, a Landau theory with coupled order parameters is proposed to provide a unique explanation of the x-ray data. It is found that as the length of the alkyl-tails increases the SmA-SmC transition change from being second-order to being first-order with a tricritical point in between.

Original language	English (US)
Pages (from-to)	883-885
Number of pages	3
Journal	Solid State Communications
Volume	43
Issue number	12
DOIs	https://doi.org/10.1016/0038-1098(82)90921-8
State	Published - Sep 1982
Externally published	Yes

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10.1016/0038-1098(82)90921-8

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abstract = "In the light of a recent x-ray study on the smectic layer spacing in the vicinity of the smectic A-smectic C (SmA-SmC) transition of the TBBA (terephthal-bis-(4n)-butylaniline) homologous series, a Landau theory with coupled order parameters is proposed to provide a unique explanation of the x-ray data. It is found that as the length of the alkyl-tails increases the SmA-SmC transition change from being second-order to being first-order with a tricritical point in between.",

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N2 - In the light of a recent x-ray study on the smectic layer spacing in the vicinity of the smectic A-smectic C (SmA-SmC) transition of the TBBA (terephthal-bis-(4n)-butylaniline) homologous series, a Landau theory with coupled order parameters is proposed to provide a unique explanation of the x-ray data. It is found that as the length of the alkyl-tails increases the SmA-SmC transition change from being second-order to being first-order with a tricritical point in between.

AB - In the light of a recent x-ray study on the smectic layer spacing in the vicinity of the smectic A-smectic C (SmA-SmC) transition of the TBBA (terephthal-bis-(4n)-butylaniline) homologous series, a Landau theory with coupled order parameters is proposed to provide a unique explanation of the x-ray data. It is found that as the length of the alkyl-tails increases the SmA-SmC transition change from being second-order to being first-order with a tricritical point in between.

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JF - Solid State Communications

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The existence of a tricritical point in the smectic A-smectic C transition line

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