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Paper Abstract and Keywords
Presentation 2016-10-27 17:00
Evaluation of Miniband Formation and Carrier Transport on Superlattice in Flat-band Structure
Nakamura Tsubasa, Matsuochi Kouki, Takeda Hideaki (Univ. of Miyazaki), Kasidit Toprasertpong, Sugiyama Masakazu, Nakano Yoshiaki (The Univ. of Tokyo), Suzuki Hidetoshi, Ikari Tetsuo, Fukuyama Atsuhiko (Univ. of Miyazaki) OCS2016-45 OPE2016-86 LQE2016-61
Abstract (in Japanese) (See Japanese page) 
(in English) For improvement of efficiencies of quantum well solar cells and quantum-cascade lasers, it is necessary that carriers transport through minibands without recombination. In this study, we evaluated a formation of miniband and its carrier transport in a superlattice inserted flat-band structure sample by using photoreflectance (PR) and photoluminescence (PL) spectroscopy. It was found that the miniband widths increased and the PL signal intensity decreased with increasing barrier thickness. Therefore, a miniband formation was clearly confirmed. Moreover, it was suggested that the miniband formation enhanced a carrier transport characteristic.
Keyword (in Japanese) (See Japanese page) 
(in English) Superlattice / Miniband / Photoreflectance / Photoluminescence / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 275, LQE2016-61, pp. 61-64, Oct. 2016.
Paper # LQE2016-61 
Date of Issue 2016-10-20 (OCS, OPE, LQE) 
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 OCS2016-45 OPE2016-86 LQE2016-61

Conference Information
Committee LQE OPE OCS  
Conference Date 2016-10-27 - 2016-10-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyazaki Citizen's Plaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To LQE 
Conference Code 2016-10-LQE-OPE-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Miniband Formation and Carrier Transport on Superlattice in Flat-band Structure 
Sub Title (in English)  
Keyword(1) Superlattice  
Keyword(2) Miniband  
Keyword(3) Photoreflectance  
Keyword(4) Photoluminescence  
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Keyword(6)  
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1st Author's Name Nakamura Tsubasa  
1st Author's Affiliation University of Miyazaki (Univ. of Miyazaki)
2nd Author's Name Matsuochi Kouki  
2nd Author's Affiliation University of Miyazaki (Univ. of Miyazaki)
3rd Author's Name Takeda Hideaki  
3rd Author's Affiliation University of Miyazaki (Univ. of Miyazaki)
4th Author's Name Kasidit Toprasertpong  
4th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
5th Author's Name Sugiyama Masakazu  
5th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
6th Author's Name Nakano Yoshiaki  
6th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
7th Author's Name Suzuki Hidetoshi  
7th Author's Affiliation University of Miyazaki (Univ. of Miyazaki)
8th Author's Name Ikari Tetsuo  
8th Author's Affiliation University of Miyazaki (Univ. of Miyazaki)
9th Author's Name Fukuyama Atsuhiko  
9th Author's Affiliation University of Miyazaki (Univ. of Miyazaki)
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Speaker Author-1 
Date Time 2016-10-27 17:00:00 
Presentation Time 25 minutes 
Registration for LQE 
Paper # OCS2016-45, OPE2016-86, LQE2016-61 
Volume (vol) vol.116 
Number (no) no.273(OCS), no.274(OPE), no.275(LQE) 
Page pp.61-64 
#Pages 4 
Date of Issue 2016-10-20 (OCS, OPE, LQE) 

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