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Paper Abstract and Keywords
Presentation 2018-01-31 14:55
Investigation on Low-Energy Ferromagnetic Matrix Memory Using Adiabatic Quantum Flux Parametrons
Hayato Iwashita, Soya Taniguchi, Haruki Kato, Kyosuke Sano, Masamitsu Tanaka, Akira Fujimaki (Nagoya Univ.) SCE2017-41 Link to ES Tech. Rep. Archives: SCE2017-41
Abstract (in Japanese) (See Japanese page) 
(in English) We study on matrix memory using patterned ferromagnetic materials for storage elements toward highly energy-efficient computing. The ferromagnetic pattern at the intersection point of selected bit line and word line is magnetized, and the direction of magnetization corresponds to 1-bit binary information. A 3-input AND gate based on the adiabatic quantum flux parametron is used for readout, by which ultra-low energy operation is expected. We confirmed correct operation of the proposed memory cell from numerical simulation of the equivalent circuit simulating the effect of residual magnetism. We have fabricated memory cells of read-only memory using Pd0.89Ni0.11 ferromagnetic patterns in order to experimentally verify the readout operation in matrix memory.
Keyword (in Japanese) (See Japanese page) 
(in English) Ferromagnetic material / superconductor phase engineering / energy-efficient logic circuit / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 428, SCE2017-41, pp. 57-62, Jan. 2018.
Paper # SCE2017-41 
Date of Issue 2018-01-24 (SCE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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 SCE2017-41 Link to ES Tech. Rep. Archives: SCE2017-41

Conference Information
Committee SCE  
Conference Date 2018-01-31 - 2018-01-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) SQUID, high frequency, sensing technologies and their applications, etc. 
Paper Information
Registration To SCE 
Conference Code 2018-01-SCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation on Low-Energy Ferromagnetic Matrix Memory Using Adiabatic Quantum Flux Parametrons 
Sub Title (in English)  
Keyword(1) Ferromagnetic material  
Keyword(2) superconductor phase engineering  
Keyword(3) energy-efficient logic circuit  
1st Author's Name Hayato Iwashita  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Soya Taniguchi  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Haruki Kato  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Kyosuke Sano  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
5th Author's Name Masamitsu Tanaka  
5th Author's Affiliation Nagoya University (Nagoya Univ.)
6th Author's Name Akira Fujimaki  
6th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2018-01-31 14:55:00 
Presentation Time 25 minutes 
Registration for SCE 
Paper # SCE2017-41 
Volume (vol) vol.117 
Number (no) no.428 
Page pp.57-62 
Date of Issue 2018-01-24 (SCE) 

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