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Paper Abstract and Keywords
Presentation 2014-01-23 11:00
Robust HTS-SQUID Covered with HTS Film in Flip-Chip Configuration
Yoshimi Hatsukade, Keisuke Yoshida, Takahiro Kage, Toshifumi Suzuki, Saburo Tanaka (Toyohashi Univ. of Tech.) SCE2013-39
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we describe recent results to develop robust HTS-SQUIDs based on bicystal SrTiO3 (STO) substrates and YBa2Cu3O7-x (YBCO) films. An alternative HTS film with mesh structure was fabricated and employed to cover an SQUID ring of a HTS-SQUID magnetometer with the same mesh structure in a flip-chip configuration. We expected the film would work as a superconducting shield to suppress change of the critical current Ic of the SQUID due to environmental magnetic noise, including the Earth’s field. We applied DC and AC magnetic fields to the SQUID, in order to measure the SQUID’s parameters such as Ic, voltage depth Vpp, flux noise level, and threshold DC field, at which the Ic was changed. Many of the SQUID’s parameters were improved with the HTS film. As for the threshold DC field, Ic of the SQUID changed at a DC field greater than about 140 T with the HTS film. In an AC field at 10 MHz, the voltage depth Vpp and flux noise level of the SQUID with the HTS film degraded at lower amplitude of the AC field than the bare SQUID without the HTS film.
Keyword (in Japanese) (See Japanese page) 
(in English) HTS-SQUID / Robustness in magnetic field / alternative HTS film / Josephson junction / Meissner effect / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 401, SCE2013-39, pp. 25-29, Jan. 2014.
Paper # SCE2013-39 
Date of Issue 2014-01-16 (SCE) 
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 SCE2013-39

Conference Information
Committee SCE  
Conference Date 2014-01-23 - 2014-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikaishinkou-kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Thin film, device technologies and their applications, etc. 
Paper Information
Registration To SCE 
Conference Code 2014-01-SCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Robust HTS-SQUID Covered with HTS Film in Flip-Chip Configuration 
Sub Title (in English)  
Keyword(1) HTS-SQUID  
Keyword(2) Robustness in magnetic field  
Keyword(3) alternative HTS film  
Keyword(4) Josephson junction  
Keyword(5) Meissner effect  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yoshimi Hatsukade  
1st Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
2nd Author's Name Keisuke Yoshida  
2nd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
3rd Author's Name Takahiro Kage  
3rd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
4th Author's Name Toshifumi Suzuki  
4th Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
5th Author's Name Saburo Tanaka  
5th Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
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Speaker Author-1 
Date Time 2014-01-23 11:00:00 
Presentation Time 25 minutes 
Registration for SCE 
Paper # SCE2013-39 
Volume (vol) vol.113 
Number (no) no.401 
Page pp.25-29 
#Pages 5 
Date of Issue 2014-01-16 (SCE) 

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