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Paper Abstract and Keywords
Presentation 2018-05-21 15:45
Polarity inverted cubic PMN-PT/ tetragonal PZT epitaxial film resonators for frequency switchable filters
Takahiro Shimidzu, Takahiko Yanagitani (Waseda Univ.) US2018-16
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the number of bandpass filters in smartphone has been increasing because of international roaming system. Frequency switchable filters are promising as a solution for putting a lot of filters together. The resonator with single polar direction excites fundamental mode. On the other hand, the polarity inverted n-layered resonator can excite n th high order mode. Resonance mode can be switched by switching the polar direction of each layer. In this study, polarity inverted two-layered cubic PMN-PT/ tetragonal PZT epitaxial film resonators were fabricated by an RF magnetron sputtering. Fundamental mode resonance at 327 MHz and second mode resonance at 729 MHz were successfully switched by changing direction of DC field in this resonator.
Keyword (in Japanese) (See Japanese page) 
(in English) Piezoelectric thin film / Ferroelectric film / Polarity inverted structure / Epitaxial growth / Switchable filter / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 48, US2018-16, pp. 29-34, May 2018.
Paper # US2018-16 
Date of Issue 2018-05-14 (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)
Download PDF US2018-16

Conference Information
Committee US  
Conference Date 2018-05-21 - 2018-05-21 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To US 
Conference Code 2018-05-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Polarity inverted cubic PMN-PT/ tetragonal PZT epitaxial film resonators for frequency switchable filters 
Sub Title (in English)  
Keyword(1) Piezoelectric thin film  
Keyword(2) Ferroelectric film  
Keyword(3) Polarity inverted structure  
Keyword(4) Epitaxial growth  
Keyword(5) Switchable filter  
1st Author's Name Takahiro Shimidzu  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Takahiko Yanagitani  
2nd Author's Affiliation Waseda University (Waseda Univ.)
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Date Time 2018-05-21 15:45:00 
Presentation Time 25 
Registration for US 
Paper # IEICE-US2018-16 
Volume (vol) IEICE-118 
Number (no) no.48 
Page pp.29-34 
#Pages IEICE-6 
Date of Issue IEICE-US-2018-05-14 

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