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Paper Abstract and Keywords
Presentation 2012-11-19 15:30
Amorphous-selenium based Photodetector Driven by Diamond Cold Cathode
Tomoaki Masuzawa, Shingo Kuniyoshi, Masanori Onishi, Ichitaro Saito (Int'l Christian Univ.), Angel T. T. Koh, Daniel H. C. Chua (NUS), Takatoshi Yamada (AIST), Tatsuo Shimosawa (Univ. Tokyo), Ken Okano (Int'l Christian Univ.) ED2012-57 Link to ES Tech. Rep. Archives: ED2012-57
Abstract (in Japanese) (See Japanese page) 
(in English) Amorphous-selenium (a-Se) based photodetectors are promising candidate for high sensitivity photo imaging devices, due to their high spatial resolution and response speed, as well as extremely high sensitivity enhanced by an internal carrier multiplication. HARP (high-gain avalanche rushing photoconductor) is the first a-Se based photodetector, which exploited the carrier multiplication and achieved effective quantum efficiency of greater than 10 with real-time imaging capability. Although recent FEA (Field Emitter Array)-HARP achieved significant reduction of device size and power consumption, these devices are still being developed due to remaining problems. Such problems include resolution loss caused by dispersion of emitted electrons, as well as narrower dynamic range because of limited emission current. In this study we attempt to solve the current issues in high-sensitivity a-Se based photodetector, by using diamond cold cathode. A prototype photodetector has been developed using nitrogen-doped diamond as cold cathode, and characterized by visible/UV light illumination.
Keyword (in Japanese) (See Japanese page) 
(in English) Amorphous selenium / Diamond / Cold Cathode / Photodetector / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 303, ED2012-57, pp. 15-17, Nov. 2012.
Paper # ED2012-57 
Date of Issue 2012-11-12 (ED) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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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 ED2012-57 Link to ES Tech. Rep. Archives: ED2012-57

Conference Information
Committee ED  
Conference Date 2012-11-19 - 2012-11-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Univ. Nakanoshima Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Electron tubes, vacuum nanoelectronics, and their related technologies 
Paper Information
Registration To ED 
Conference Code 2012-11-ED 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Amorphous-selenium based Photodetector Driven by Diamond Cold Cathode 
Sub Title (in English)  
Keyword(1) Amorphous selenium  
Keyword(2) Diamond  
Keyword(3) Cold Cathode  
Keyword(4) Photodetector  
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1st Author's Name Tomoaki Masuzawa  
1st Author's Affiliation International Christian University (Int'l Christian Univ.)
2nd Author's Name Shingo Kuniyoshi  
2nd Author's Affiliation International Christian University (Int'l Christian Univ.)
3rd Author's Name Masanori Onishi  
3rd Author's Affiliation International Christian University (Int'l Christian Univ.)
4th Author's Name Ichitaro Saito  
4th Author's Affiliation International Christian University (Int'l Christian Univ.)
5th Author's Name Angel T. T. Koh  
5th Author's Affiliation National University of Singapore (NUS)
6th Author's Name Daniel H. C. Chua  
6th Author's Affiliation National University of Singapore (NUS)
7th Author's Name Takatoshi Yamada  
7th Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
8th Author's Name Tatsuo Shimosawa  
8th Author's Affiliation University of Tokyo (Univ. Tokyo)
9th Author's Name Ken Okano  
9th Author's Affiliation International Christian University (Int'l Christian Univ.)
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Speaker
Date Time 2012-11-19 15:30:00 
Presentation Time 25 
Registration for ED 
Paper # IEICE-ED2012-57 
Volume (vol) IEICE-112 
Number (no) no.303 
Page pp.15-17 
#Pages IEICE-3 
Date of Issue IEICE-ED-2012-11-12 


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