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SKYRMION GENERATION DEVICE, SKYRMION GENERATION METHOD, AND MAGNETIC MEMORY DEVICE UPDATE

外国特許コード F170008972
整理番号 K20301WO
掲載日 2017年3月13日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2016JP057073
国際公開番号 WO 2016158230
国際出願日 平成28年3月8日(2016.3.8)
国際公開日 平成28年10月6日(2016.10.6)
優先権データ
  • 特願2015-072079 (2015.3.31) JP
発明の名称 (英語) SKYRMION GENERATION DEVICE, SKYRMION GENERATION METHOD, AND MAGNETIC MEMORY DEVICE UPDATE
発明の概要(英語) Provided is a skyrmion generation method in which the power consumed during generation of skyrmions can be reduced. In this skyrmion generation method, an electric field is locally applied to an insulating magnetic body 12 having a chiral crystal structure using an electric field generator 16 while a magnetic field from a magnetic field generator 14 is applied to the magnetic body 12. Skyrmions are thereby generated inside the magnetic body 12. The magnetic body 12 preferably assumes the form of a thin film having, at least partially, a thickness of 2-300 nm. The magnetic field generator 14 preferably applies the magnetic field to the surface of the magnetic body 12 in a substantially perpendicular direction.
従来技術、競合技術の概要(英語) BACKGROUND ART
Non-Patent Document 1 is, in the metal magnetic material is a chiral skyrmion, a small current is driven by the disclosed technology. In addition, in Patent Document 1 and Non-Patent Document 1, a strip of a metallic magnetic material is a chiral thin-film sample is provided in the corner (notch), while applying a predetermined magnetic field intensity by passing a current to the sample, the corner portion as a starting point a method of generating skyrmion disclosed.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • 発明者(英語)
  • MOCHIZUKI Masahito
国際特許分類(IPC)
指定国 National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JP KE KG KN KP KR KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
参考情報 (研究プロジェクト等) PRESTO Innovative Nano-electronics through Interdisciplinary Collaboration among Material, Device and System Layers AREA
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