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Paper Abstract and Keywords
Presentation 2024-01-25 13:05
Physical properties of hydrogen-bonded liquid crystal with fluorine-subsutituted benzoic acids
Koki Sawataishi, Dan Jian, Rumiko Yamaguchi (Akita Univ.) EID2023-2
Abstract (in Japanese) (See Japanese page) 
(in English) Fluoro-benzoic acids (2-, 3-, 4-FBA), difluoro-benzoic acids (2,3-, 2,4-, 2,5-, 2,6-, 3,4-, 3,5-F2BA) and trifluoro-benzoic acid (2,3,4-, 3,4,5-F3BA) were mixed with the Hydrogen-Bonded Liquid Crystal of alkylbenzoic acids. Physical properties of dielectric constants, elastic constants and refractive index anisotropy were measured. The effect of the fluorine position in the phenyl ring on the physical properties was investigated. Dielectric anisotropy decreased by adding 2-FBA and 2,3-F2BA and increased by adding 4-FBA, 3,4-F2BA, 3,5-F2BA, 2,3,4-F3BA and 3,4,5-F3BA. With the addition of 3,4,5-F3BA, the dielectric anisotropy increased with increasing mixing concentration up to about 40 wt%, and them decreased. K11 and K33 of all mixed liquid crystals decreased. Threshold voltages decreased from matrix liquid crystal except for 2,3-F2BA, which was reduced by about one-fifth by mixing 55 wt% of 3,4,5-F3BA.
Keyword (in Japanese) (See Japanese page) 
(in English) Hydrogen-Bonded Liquid Crystal / Terahertz wave / Threshold voltage / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 360, EID2023-2, pp. 1-4, Jan. 2024.
Paper # EID2023-2 
Date of Issue 2024-01-18 (EID) 
ISSN Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EID2023-2

Conference Information
Committee EID ITE-IDY IEE-EDD SID-JC IEIJ-SSL  
Conference Date 2024-01-25 - 2024-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To EID 
Conference Code 2024-01-EID-IDY-EDD-JC-SSL 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Physical properties of hydrogen-bonded liquid crystal with fluorine-subsutituted benzoic acids 
Sub Title (in English)  
Keyword(1) Hydrogen-Bonded Liquid Crystal  
Keyword(2) Terahertz wave  
Keyword(3) Threshold voltage  
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1st Author's Name Koki Sawataishi  
1st Author's Affiliation Akita University (Akita Univ.)
2nd Author's Name Dan Jian  
2nd Author's Affiliation Akita University (Akita Univ.)
3rd Author's Name Rumiko Yamaguchi  
3rd Author's Affiliation Akita University (Akita Univ.)
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Speaker Author-1 
Date Time 2024-01-25 13:05:00 
Presentation Time 5 minutes 
Registration for EID 
Paper # EID2023-2 
Volume (vol) vol.123 
Number (no) no.360 
Page pp.1-4 
#Pages 4 
Date of Issue 2024-01-18 (EID) 

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