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Paper Abstract and Keywords
Presentation 2017-10-04 16:05
Magneto-optic responses of a bilayered aluminum substituted zinc oxide and magnetic garnet.
Yasutoshi Ito, Shinichiro Mito, Satsuki Kikuchi (NITT) CPM2017-64
Abstract (in Japanese) (See Japanese page) 
(in English) Aluminum substituted zinc oxide (Al:ZnO) was deposited on a bismuth substituted yttrium iron garnet (Bi:YIG) films by RF magnetron sputtering method for improving magneto-optic (MO) responses and modulating a MO responses by a voltage. The Al:ZnO/Bi:YIG bilayers were investigated on MO responses for various annealing temperature. A sheet resistance and an optical absorbance around 368nm, which is exciton wavelength of ZnO, of the Al:ZnO was drastically enlarged by annealing over 300 degree C. A degree of MCD of the Al:ZnO/Bi:YIG bilayer was over 10 times bigger than the previous study. It could be because the flatness and density of the ZnO film was improved by RF sputtering method compared with electroless plating that employed in the previous study. The sample annealed at 300 degree C showed highest MDC response. It could be concerned that crystallinity of the Al:ZnO was improved by annealing, and it enhanced MCD. On the other hand, Zn diffusion for the Bi:YIG should be increasing at higher annealing temperature that should deteriorates the MO effect. This positive and negative effect of annealing makes the peak of MCD at 300 degree C. Consequently, Al:ZnO/Bi:YIG/Indium Tin Oxide (ITO) multilayer was fabricated. A voltage was applied between the Al:ZnO and the ITO for estimating an effect of the electric field for the MCD enhancement in ZnO/Bi:YIG system. Small change of the MCD was observed with application of the voltage, and it would be because of an effect of electric field.
Keyword (in Japanese) (See Japanese page) 
(in English) magnetic garnet / zinc oxide / magnetic circular dichroism / Faraday effect / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 224, CPM2017-64, pp. 25-28, Oct. 2017.
Paper # CPM2017-64 
Date of Issue 2017-09-27 (CPM) 
ISSN Print edition: ISSN 0913-5685    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)
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Conference Information
Committee CPM  
Conference Date 2017-10-04 - 2017-10-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CPM 
Conference Code 2017-10-CPM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Magneto-optic responses of a bilayered aluminum substituted zinc oxide and magnetic garnet. 
Sub Title (in English)  
Keyword(1) magnetic garnet  
Keyword(2) zinc oxide  
Keyword(3) magnetic circular dichroism  
Keyword(4) Faraday effect  
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1st Author's Name Yasutoshi Ito  
1st Author's Affiliation National Institute of Technology ,Tokyo College (NITT)
2nd Author's Name Shinichiro Mito  
2nd Author's Affiliation National Institute of Technology ,Tokyo College (NITT)
3rd Author's Name Satsuki Kikuchi  
3rd Author's Affiliation National Institute of Technology ,Tokyo College (NITT)
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Speaker Author-1 
Date Time 2017-10-04 16:05:00 
Presentation Time 25 minutes 
Registration for CPM 
Paper # CPM2017-64 
Volume (vol) vol.117 
Number (no) no.224 
Page pp.25-28 
#Pages 4 
Date of Issue 2017-09-27 (CPM) 

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