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Paper Abstract and Keywords
Presentation 2016-10-26 09:55
Electron Emission from W(100) Surface modified by Group 3 Elements -- Work Function Reduction by Sc Oxide, Pr Oxide and Nd Oxide --
Takashi Kawakubo (NIT Kagawa), Hideaki Nakane (Muroran Inst. of Tech.) ED2016-52
Abstract (in Japanese) (See Japanese page) 
(in English) Tungsten which is one of high melting metal is employed as the material of the electron source. The work function of tungsten (100) surface is 4.6 eV. Although the work function is high value relatively, the value can be reduced to 2.7 eV selectively by the surface modification. ZrO/W (100) electron source using this phenomenon is used widely for electron beam system, e.g. critical dimension SEM. Also the phenomenon is occurred by modification of oxygen and 3 group element or 4 group element instead of zirconium and oxygen. In this research, we measured the work function of tungsten surface modified by scandium oxide, praseodymium oxide, and neodymium oxide by using field emission microscopy.
Keyword (in Japanese) (See Japanese page) 
(in English) Scandium oxide / Praseodymium oxide / Neodymium oxide / Work function / Field emission / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 268, ED2016-52, pp. 41-46, Oct. 2016.
Paper # ED2016-52 
Date of Issue 2016-10-18 (ED) 
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)
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Conference Information
Committee ED  
Conference Date 2016-10-25 - 2016-10-26 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To ED 
Conference Code 2016-10-ED 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Electron Emission from W(100) Surface modified by Group 3 Elements 
Sub Title (in English) Work Function Reduction by Sc Oxide, Pr Oxide and Nd Oxide 
Keyword(1) Scandium oxide  
Keyword(2) Praseodymium oxide  
Keyword(3) Neodymium oxide  
Keyword(4) Work function  
Keyword(5) Field emission  
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Keyword(8)  
1st Author's Name Takashi Kawakubo  
1st Author's Affiliation National Institute of Technology, Kagawa College (NIT Kagawa)
2nd Author's Name Hideaki Nakane  
2nd Author's Affiliation Muroran Institute of Technology (Muroran Inst. of Tech.)
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Speaker Author-1 
Date Time 2016-10-26 09:55:00 
Presentation Time 25 minutes 
Registration for ED 
Paper # ED2016-52 
Volume (vol) vol.116 
Number (no) no.268 
Page pp.41-46 
#Pages 6 
Date of Issue 2016-10-18 (ED) 

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