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Paper Abstract and Keywords
Presentation 2015-10-09 15:50
Brillouin scattering measurement of coherent phonons induced by ScAlN piezoelectric thin film
Eunhye Cho, Masahiko Kawabe, Shinji Takayanagi (Doshisha Univ.), Masashi Suzuki, Takahiko Yanagitani (Waseda Univ.), Mami Matsukawa (Doshisha Univ.) US2015-63
Abstract (in Japanese) (See Japanese page) 
(in English) Brillouin scattering spectroscopy allows to investigate a shift frequency of the incident light in GHz range, which occurs by inelastically-scattering between photons and thermal phonons. It is a non-destructive and non-contact technique used to determine the velocity of an acoustic wave in thin materials, such as crystalline solids, ceramics, or amorphous materials. However, it needs a long measurement time for the sufficient accuracy. It has been known that it is possible to improve the accuracy by using coherent induced phonons. In this study, we used a ScAlN piezoelectric thin film HBAR (High-overtone bulk acoustic resonator) to induce phonons by applying an electric field directly with a microprobe, and achieved the reduction of measurement time by 1/8670.
Keyword (in Japanese) (See Japanese page) 
(in English) Brillouin scattering / ScAlN piezoelectric thin film / Induced phonon / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 246, US2015-63, pp. 27-30, Oct. 2015.
Paper # US2015-63 
Date of Issue 2015-10-02 (US) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 US  
Conference Date 2015-10-09 - 2015-10-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To US 
Conference Code 2015-10-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Brillouin scattering measurement of coherent phonons induced by ScAlN piezoelectric thin film 
Sub Title (in English)  
Keyword(1) Brillouin scattering  
Keyword(2) ScAlN piezoelectric thin film  
Keyword(3) Induced phonon  
1st Author's Name Eunhye Cho  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Masahiko Kawabe  
2nd Author's Affiliation Doshisha University (Doshisha Univ.)
3rd Author's Name Shinji Takayanagi  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Masashi Suzuki  
4th Author's Affiliation Waseda University (Waseda Univ.)
5th Author's Name Takahiko Yanagitani  
5th Author's Affiliation Waseda University (Waseda Univ.)
6th Author's Name Mami Matsukawa  
6th Author's Affiliation Doshisha University (Doshisha Univ.)
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Date Time 2015-10-09 15:50:00 
Presentation Time 30 
Registration for US 
Paper # IEICE-US2015-63 
Volume (vol) IEICE-115 
Number (no) no.246 
Page pp.27-30 
#Pages IEICE-4 
Date of Issue IEICE-US-2015-10-02 

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