High-Density Physical Random Number Generator Using Spin Signals in Multidomain Ferromagnetic Layer

A high-density random number generator (RNG) based on spin signals in a multidomain ferromagnetic layer in a magnetic tunnel junction (MTJ) is proposed and fabricated. Unlike conventional spin-based RNGs, the proposed method does not require one to control an applied current, leading to a time delay...

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Main Authors: Sungwoo Chun, Seung-Beck Lee, Masahiko Hara, Wanjun Park, Song-Ju Kim
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Advances in Condensed Matter Physics
Online Access:http://dx.doi.org/10.1155/2015/251819
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author Sungwoo Chun
Seung-Beck Lee
Masahiko Hara
Wanjun Park
Song-Ju Kim
author_facet Sungwoo Chun
Seung-Beck Lee
Masahiko Hara
Wanjun Park
Song-Ju Kim
author_sort Sungwoo Chun
collection DOAJ
description A high-density random number generator (RNG) based on spin signals in a multidomain ferromagnetic layer in a magnetic tunnel junction (MTJ) is proposed and fabricated. Unlike conventional spin-based RNGs, the proposed method does not require one to control an applied current, leading to a time delay in the system. RNG demonstrations are performed at room temperature. The randomness of the bit sequences generated by the proposed RNG is verified using the FIPS 140-2 statistical test suite provided by the NIST. The test results validate the effectiveness of the proposed RNGs. Our results suggest that we can obtain high-density, ultrafast RNGs if we can achieve high integration on the chip.
format Article
id doaj-art-fcb9a507dd0346109f0813428e0434c7
institution Kabale University
issn 1687-8108
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language English
publishDate 2015-01-01
publisher Wiley
record_format Article
series Advances in Condensed Matter Physics
spelling doaj-art-fcb9a507dd0346109f0813428e0434c72025-02-03T01:07:20ZengWileyAdvances in Condensed Matter Physics1687-81081687-81242015-01-01201510.1155/2015/251819251819High-Density Physical Random Number Generator Using Spin Signals in Multidomain Ferromagnetic LayerSungwoo Chun0Seung-Beck Lee1Masahiko Hara2Wanjun Park3Song-Ju Kim4Department of Electronic Engineering, Hanyang University, Seoul 133-791, Republic of KoreaDepartment of Electronic Engineering, Hanyang University, Seoul 133-791, Republic of KoreaDepartment Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, JapanDepartment of Electronic Engineering, Hanyang University, Seoul 133-791, Republic of KoreaWPI Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, JapanA high-density random number generator (RNG) based on spin signals in a multidomain ferromagnetic layer in a magnetic tunnel junction (MTJ) is proposed and fabricated. Unlike conventional spin-based RNGs, the proposed method does not require one to control an applied current, leading to a time delay in the system. RNG demonstrations are performed at room temperature. The randomness of the bit sequences generated by the proposed RNG is verified using the FIPS 140-2 statistical test suite provided by the NIST. The test results validate the effectiveness of the proposed RNGs. Our results suggest that we can obtain high-density, ultrafast RNGs if we can achieve high integration on the chip.http://dx.doi.org/10.1155/2015/251819
spellingShingle Sungwoo Chun
Seung-Beck Lee
Masahiko Hara
Wanjun Park
Song-Ju Kim
High-Density Physical Random Number Generator Using Spin Signals in Multidomain Ferromagnetic Layer
Advances in Condensed Matter Physics
title High-Density Physical Random Number Generator Using Spin Signals in Multidomain Ferromagnetic Layer
title_full High-Density Physical Random Number Generator Using Spin Signals in Multidomain Ferromagnetic Layer
title_fullStr High-Density Physical Random Number Generator Using Spin Signals in Multidomain Ferromagnetic Layer
title_full_unstemmed High-Density Physical Random Number Generator Using Spin Signals in Multidomain Ferromagnetic Layer
title_short High-Density Physical Random Number Generator Using Spin Signals in Multidomain Ferromagnetic Layer
title_sort high density physical random number generator using spin signals in multidomain ferromagnetic layer
url http://dx.doi.org/10.1155/2015/251819
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AT masahikohara highdensityphysicalrandomnumbergeneratorusingspinsignalsinmultidomainferromagneticlayer
AT wanjunpark highdensityphysicalrandomnumbergeneratorusingspinsignalsinmultidomainferromagneticlayer
AT songjukim highdensityphysicalrandomnumbergeneratorusingspinsignalsinmultidomainferromagneticlayer