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    北航2元彩票 在微电子器件顶级会议IEDM发表研究成果

    发布日期:2019-12-12   点击量:

    2元彩票JINRI,2元彩票 ZHAOWEISHENGTUANDUIZAIDI65JIEDIANQIDIANZIGONGCHENGSHIXUEHUI(IEEE)GUOJIDIANZIQIJIANHUIYI(International Electron Devices Meeting, IEDM)SHANGFABIAOTIWEI“Field-Free Switching of Perpendicular Magnetization through Voltage-Gated Spin-Orbit Torque”DEYANJIUCHENGGUO(IEDM 28.6.1-28.6.4 (2019)),ZHEISHIBEIHANGLISHISHANGSHOUCIZAIIEDMFABIAOLUNWEN,YESHIZHONGGUODALUSHOUCIZAIIEDMFABIAOCISUIJICUNCHUQI(MRAM)XIANGGUANLUNWEN。ZHAOWEISHENGJIAOSHOUSHILUNWENWEIYITONGXUNZUOZHE,PENGSHOUZHONGJIANGSHISHIDIYIZUOZHE,LUJIAQISHIXUESHENGDIYIZUOZHE,BEIJINGHANGKONGHANGTIANDAXUESHIDIYIDANWEI。GAIGONGZUOHUODELEGUOJIAZIRANKEXUEJIJIN、GUOJIHEZUOXIANGMUYIJIGUOJIAKEJIZHONGDAZHUANXIANGDEZHICHI。

    2元彩票SUIZHEBANDAOTIQIJIANTEZHENGCHICUNBUDUANJIANXIAO,LOUDIANLIUDAOZHIDEGAOJINGTAIGONGHAOCHENGWEIZHIYUEJICHENGDIANLUFAZHANDEZHONGYAOPINGJING。JIYUZIXUANDIANZIJISHUDECICUNCHUQIJIANJUYOUFEIYISHICUNCHU、DIGONGHAO、KANGFUZHAO、GAODUXIESUDUDENGYOUDIAN,YOUWANGCHENGWEIKEFU“HOUMOERSHIDAI”GONGHAOPINGJINGDEGUANJIANJISHU,SHOUDAOXUESHUJIEHEGONGYEJIEDEGUANGFANGUANZHU。RUHESHIXIANWUXUWAICICHANGDEDIGONGHAOSHUJUXIERUSHICISUIJICUNCHUQIMIANLINDEHEXINWENTIZHIYI。ZHENDUIZHEIYIWENTI,ZHAOWEISHENGTUANDUITICHULIYONGFANTIECI/TIECIJIEGOUDEZIXUANGUIDAOJU(Spin-Orbit Torque, SOT)HEJIAOHUANPIANZHICHANGSHIXIANCHUIZHICIJUDEWUCICHANGFANZHUAN,TONGSHILIYONGDIANYADIAOKONGCIGEXIANGYIXING(Voltage-Controlled Magnetic Anisotropy, VCMA)XIAOYINGJIANGDISHUJUXIERUSHIDENENGLIANGSHILEIBINGJINXINGXUANZEXINGXIERU,ZUIZHONGSHIXIANGAOMIDU、CHAODIGONGHAODEDIANYADIAOKONGZIXUANJUCISUIJICUNCHUQI(Voltage-controlled Spin Torque MRAM, VST-MRAM)(TU1)。CESHIJIEGUOBIAOMING,DANGSUOJIADIAOKONGDIANYAWEI0.6 VSHI,SOTXIERUDIANLIUMIDUJINWEI6.2 MA/cm2,XIAJIANGLE49%(TU2ab)。JINYIBUDI,DANGSUOJIADIANYAWEI1.5 VSHI,SOTXIERUDIANLIUMIDUXIAJIANGYIGESHULIANGJI,SHUJUXIERUGONGHAOJINWEI6.2 fJ/bit,SHUJUXIERUSHIYANJINWEI2 ns(TU2c)。SHANGSHUYANJIUJIEGUOBIAOMING,VST-MRAMYOUWANGKEFUDANGQIANCICUNCHUQIMIANLINDEXIERUGONGHAOGAO、XIERUSHIYANZHANGDENGGUANJIANWENTI,JUYOUGUANGKUODESHIJIYINGYONGQIANJING。

    BEIJINGLIANJIE:IEDMSHIYU1955NIAN,JUYOULIUSHIDUONIANLISHI,SHIWEIDIANZIQIJIANLINGYUDEDINGJIHUIYI, ZAIGUOJIBANDAOTIJISHULINGYUJUYOUQUANWEIDEXUESHUDIWEIHEGUANGFANDEYINGXIANGLI。GAIHUIYIZHUYAOBAODAOGUOJIBANDAOTIHEDIANZIQIJIANFANGMIANDEZUIXINYANJIUJINZHAN,SHIZHUMINGGAOXIAO、YANFAJIGOUHEXINGYELINGJUNQIYEBAOGAOQIJISHUTUPODEZHONGYAOPINGTAI,MEINIANIntel、Samsung、TSMCHEIBMDENGGUOJIZHIMINGBANDAOTIGONGSIDOULIYONGZHEIGEHUIYIFABUZUIXINYANJIUCHENGGUO,JUYOU“FENGXIANGBIAO”DEZUOYONG,BEIYUWEI“WEIDIANZIQIJIANLINGYUDEAOLINPIKESHENGHUI”。

    图1 基于电压调控自旋矩的存储器件及存储阵列示意图


     

    图2 测试结果及存储器件性能对比


     

     

    BANQUANSUOYOU© 2元彩票 DIZHI:BEIJINGSHIHAIDIANQUXUEYUANLU37HAO  YOUBIAN:100191

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