Paper Abstract and Keywords |
Presentation |
2017-01-07 13:50
Polarization and charging characteristics of La2Si2O7 ceramic electret Shogo Nakakuma, Yumi Tanaka (Tokyo Univ. of Sci.) OME2016-60 Link to ES Tech. Rep. Archives: OME2016-60 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
With a motivation of developing a high performance electret made of lanthanum silicate ceramics with a composition of La2Si2O7, the poling and charging mechanisms of La2Si2O7 ceramic under DC electrical field was tried to be revealed by a“thermal stimulated de-polarization current” (TSDC) measurement and a surface potential measurement based on a Kelvin-probe method. The successful preparation of La2Si2O7 ceramic electrets with the preparative condition at 200°C for 1 h under DC electrical field of 8 kV was confirmed by the detection of TSDC peaks; the stored charge was estimated to be 140 μCcm-2. The surface potential measurement of the polished samples demonstrated that the potential decreased exponentially with the degreasing the thickness, suggesting the existence of bulk charges and their attenuated distribution from the surface into the bulk. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Lanthanum silicate / Polarization / Electret / Static electrical charge / Surface potential / / / |
Reference Info. |
IEICE Tech. Rep., vol. 116, no. 385, OME2016-60, pp. 7-9, Jan. 2017. |
Paper # |
OME2016-60 |
Date of Issue |
2016-12-31 (OME) |
ISSN |
Print edition: ISSN 0913-5685 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) |
Download PDF |
OME2016-60 Link to ES Tech. Rep. Archives: OME2016-60 |
Conference Information |
Committee |
OME |
Conference Date |
2017-01-07 - 2017-01-07 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
TUAT |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
battery, electrochemistry, surface modification, catalyst, in situ obsrvation, capacito |
Paper Information |
Registration To |
OME |
Conference Code |
2017-01-OME |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Polarization and charging characteristics of La2Si2O7 ceramic electret |
Sub Title (in English) |
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Keyword(1) |
Lanthanum silicate |
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Polarization |
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Electret |
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Static electrical charge |
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Surface potential |
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1st Author's Name |
Shogo Nakakuma |
1st Author's Affiliation |
Tokyo University of Science (Tokyo Univ. of Sci.) |
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Yumi Tanaka |
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Tokyo University of Science (Tokyo Univ. of Sci.) |
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Speaker |
Author-1 |
Date Time |
2017-01-07 13:50:00 |
Presentation Time |
20 minutes |
Registration for |
OME |
Paper # |
OME2016-60 |
Volume (vol) |
vol.116 |
Number (no) |
no.385 |
Page |
pp.7-9 |
#Pages |
3 |
Date of Issue |
2016-12-31 (OME) |
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