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Paper Abstract and Keywords
Presentation 2023-11-24 14:25
Basic study on improvement of electromagnetic wave absorption for ultra-lightweight materials by insulation of CNT surface
Mahiro Iwabuchi (UTokyo), Sho Muroga (Tohoku Univ.), Chiaki Kaneko (Yamagata Univ.), Kishio Hidaka (Ymagata Univ.), Akira Ito (PID), Tomonaga Ueno (Nagoya Univ.), Motoshi Tanaka, Mayo Arai, Takahiro Mikami (Akita Univ.), Osamu Kawasaki (JAXA) EMCJ2023-76
Abstract (in Japanese) (See Japanese page) 
(in English) An ultra-lightweight electromagnetic wave absorbing material using carbon nanotubes (CNT) has been studied to absorb electromagnetic noise caused by electromagnetic wave interference during wireless communication. Investigation of the ultra-lightweight materials could be realized by the addition of CNTs amount was increased although the reflection of electromagnetic waves was caused by highly conductive CNTs which inhibited the absorption of electromagnetic waves. Therefore, the complex permittivity of the absorbing material was manipulated by applying an insulating treatment to the CNT surface. Increase of the CNT amount with insulating surfaces caused the absorbing ability. Its absorption performance indicated approximately -30 dB around 12 GHz.
Keyword (in Japanese) (See Japanese page) 
(in English) Electromagnetic wave absorption / CNT / APMS / complex relative permittivity / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 283, EMCJ2023-76, pp. 24-28, Nov. 2023.
Paper # EMCJ2023-76 
Date of Issue 2023-11-17 (EMCJ) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
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)
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Conference Information
Committee EMCJ  
Conference Date 2023-11-24 - 2023-11-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Young Scientist Meeting 
Paper Information
Registration To EMCJ 
Conference Code 2023-11-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Basic study on improvement of electromagnetic wave absorption for ultra-lightweight materials by insulation of CNT surface 
Sub Title (in English)  
Keyword(1) Electromagnetic wave absorption  
Keyword(2) CNT  
Keyword(3) APMS  
Keyword(4) complex relative permittivity  
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1st Author's Name Mahiro Iwabuchi  
1st Author's Affiliation The University of Tokyo (UTokyo)
2nd Author's Name Sho Muroga  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Chiaki Kaneko  
3rd Author's Affiliation Yamagata University (Yamagata Univ.)
4th Author's Name Kishio Hidaka  
4th Author's Affiliation Yamagata University (Ymagata Univ.)
5th Author's Name Akira Ito  
5th Author's Affiliation Panasonic Industry (PID)
6th Author's Name Tomonaga Ueno  
6th Author's Affiliation Nagoya University (Nagoya Univ.)
7th Author's Name Motoshi Tanaka  
7th Author's Affiliation Akita University (Akita Univ.)
8th Author's Name Mayo Arai  
8th Author's Affiliation Akita University (Akita Univ.)
9th Author's Name Takahiro Mikami  
9th Author's Affiliation Akita University (Akita Univ.)
10th Author's Name Osamu Kawasaki  
10th Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
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Speaker Author-1 
Date Time 2023-11-24 14:25:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2023-76 
Volume (vol) vol.123 
Number (no) no.283 
Page pp.24-28 
#Pages 5 
Date of Issue 2023-11-17 (EMCJ) 

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