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| Presentation | 2006-06-30 10:35 Piezo-Dielectric Effect in Antiferroelectric NaNbO3 Ceramics Naoyuki Endo (Nishikaru Precision Co.,Ltd), Michiaki Kubo, Noriko Bamba, Tatsuo Fukami (Sinshu Univ.) Link to ES Tech. Rep. Archives:  EMD2006-6 CPM2006-30 OME2006-40 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The effect that the permittivity of antiferroelectrics depends on the elastic stress has been discussed with special interest to the load sensor applications. Although sodium niobate (NaNbO$_3$) employed in this work as a typical antiferroelectrics has been hitherto known very difficult to obtain as a densely sintered ceramic body, we have successfully obtained the dense ceramics by investigating their nonstoichiometric compositions. Their electrostatic capacitance was determined from the output frequency of the timer oscillator circuit. In case of the ferroelectrics, their permittivity depends not only on the elastic stress but also on the elapsed time after a fixed stress application, whereas such unsteady behavior was not observed in the antiferroelectric sodium niobate. The phenomenon has been discussed from the view point of the interaction between the polarization and space charges, which exist only in ferroelectrics but in antiferroelectric. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Antiferroelectric / Elastic stress detection / Load sensor / Timer IC oscillation circuit / Drift phenomena / Sodium niobate / Piezo-Dielectric effect / Space charge effect | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 131, CPM2006-30, pp. 7-12, June 2006. | |
| Paper # | CPM2006-30 | |
| Date of Issue | 2006-06-23 (EMD, CPM, OME) | |
| ISSN | Print edition: ISSN 0913-5685 | |
| 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 | Link to ES Tech. Rep. Archives: EMD2006-6 CPM2006-30 OME2006-40 |
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| Conference Information | |
| Committee | CPM EMD OME |
| Conference Date | 2006-06-30 - 2006-06-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Piezoelectric Devices, Piezoelectric Materials, Ferroelectric Materials, Organic Electronics, etc. (ES Summer Meeting of Materials and Devices) |
| Paper Information | |
| Registration To | CPM |
| Conference Code | 2006-06-CPM-EMD-OME |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Piezo-Dielectric Effect in Antiferroelectric NaNbO3 Ceramics |
| Sub Title (in English) | |
| Keyword(1) | Antiferroelectric |
| Keyword(2) | Elastic stress detection |
| Keyword(3) | Load sensor |
| Keyword(4) | Timer IC oscillation circuit |
| Keyword(5) | Drift phenomena |
| Keyword(6) | Sodium niobate |
| Keyword(7) | Piezo-Dielectric effect |
| Keyword(8) | Space charge effect |
| 1st Author's Name | Naoyuki Endo |
| 1st Author's Affiliation | Nishikaru Precision Co.,Ltd (Nishikaru Precision Co.,Ltd) |
| 2nd Author's Name | Michiaki Kubo |
| 2nd Author's Affiliation | Shinshu University (Sinshu Univ.) |
| 3rd Author's Name | Noriko Bamba |
| 3rd Author's Affiliation | Shinshu University (Sinshu Univ.) |
| 4th Author's Name | Tatsuo Fukami |
| 4th Author's Affiliation | Shinshu University (Sinshu Univ.) |
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| Speaker | Author-1 |
| Date Time | 2006-06-30 10:35:00 |
| Presentation Time | 25 minutes |
| Registration for | CPM |
| Paper # | EMD2006-6, CPM2006-30, OME2006-40 |
| Volume (vol) | vol.106 |
| Number (no) | no.130(EMD), no.131(CPM), no.132(OME) |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2006-06-23 (EMD, CPM, OME) |
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