齐发体育

以人为本 服务至上 科学管理 勤政高效

基于标准四电极法研究笼型富氢化物LaH10的高温超导电性

  

齐发体育  zicong1911nianchaodaoxianxiangbeifaxianyilai,shiwenchaodaoyizhishirenmenziziyiqiudemubiao。raner,jiyudian-shengouhejizhidechangguichaodaoti,qichaodaolinjiewendu(tc)tongchanghennanchaoguomaikemilanjixian~40k。shangshiji80niandaifaxiandetongyanghuawugaowenchaodaotiweishixianshiwenchaodaodailailexiwang,danjingguo30duoniandeyanjiu,zuigaotc(changyaxia~134k,gaoyaxia~164k)hennanjinyibutigao,erqiefeichangguichaodaojilizhijinrengxuanerweijue。lingyifangmian,genjubcslilun,renmenyuqiruguozaigaoyaxiahuodejinshuqinghuogaodufuqingcailiaokenenghuishixiangaowenshenzhishiwenchaodao。anzhaozheizhongsilu,jinnianlairenmenzaililunshejiheshiyanhechengfuqinggaowenchaodaotifangmianqudelezhongyaojinzhan,youqishi2014nianfaxianliuhuaqingzaigaoyatiaojianxiachengxianchutc = 203 kdegaowenchaodaodianxing,dapolezhiqiantongyanghuawugaowenchaodaotibaochidejilu,jidadijifalerenmentansuoshiwenchaodaodereqing。2019nian,laizideguohemeiguodelianggeyanjiuxiaozu,fenbiedulibaodaolechaogaoyaxiahechengdelongxingfuqingcailiaolah10+δjuyoutc = 250-260 kdejinshiwenchaodao,zaiguojishangxiyinleguangfanguanzhu。raner,youyulah10+δjixiangguanfuqingchaodaocailiaodeyanjiushejizhaoba(baiwandaqiya)chaogaoyatiaojianxiadeyuanweigaowenhechenghediwendianshuyunceliang,duigaoyashiyanjishutichujiaogaodeyaoqiu。

  zuijin,qifatiyuwuliyanjiusuo/beijingningjutaiwuliguojiayanjiuzhongxinjiduantiaojianwulizhongdianshiyanshiex6ketizudehongfangfuyanjiuyuan、yuxiaohuifuyanjiuyuan、chengjinguangyanjiuyuanhechaodaoguojiazhongdianshiyanshidezhaozhongxianyuanshiyubeijinggaoyakexuezhongxinyangliuxiangyanjiuyuantonglihezuo,kefugezhonggaoyajishunandian,tongguozai70weimidejingangshiduidingzhentaimianshangshougongbuzhibiaozhunsidianjiyinxian,caiyonganpengwanzuoweiqingyuan,liyongjiguangjiareshiqifenjiechanshengqingqibingyufangzhizaijingangshiduidingzhenyaqiangneidelajinshubopianfanying。tongguodiaojiejiguangjiarewendu,zai165gpa,1700 kjiarededaoletc≈240-250kdelah10+δ。tongguobutongcichangxiadedianzuceshi,jinyibuquerenlah10+δdegaowenchaodaozhuanbian(tu1)。

  gaigongzuobujinchenggongzhongfuchulezhiqiandeguohemeiguoyanjiuzufaxiandelah10+δgaowenchaodaoti,erqiehaifazhanleliyongjingangshiduidingzhenkaizhanzhaobagaoyaxiadeyuanweijiguangjiareyubiaozhunsidianjidianzuceshijishu。gaishiyanluxianxiangduijiandan、yiyutuiguang,youzhuyutuidongchaogaoyaxiafuqinggaowenchaodaocailiaodetansuoyanjiu。

  xiangguanchengguojinqifabiaozaichinese physics letters 37, 107401 (2020)。canyugaigongzuodehaiyouwulisuoex6ketizudedanpengfei、yangpengdao、liuziyi、sunjianping、yinyunyu。xiangguanshiyanshiyonglezaijiandeguojiazhongdakejijichusheshixiangmu—zonghejiduantiaojianshiyanzhuangzhidebufengaoyashiyanshebei。gaigongzuohaidedaoleqifatiyubleixiandaozhuanxiang、guojiazirankexuejijinwei、beijingshizirankexuejijinhekejibuzhongdianyanfajihuaxiangmudezhichi。

  [1] f. hong, l. x. yang, p. f. shan, p. t. yang, z. y. liu, j. p. sun, y. y. yin, x. h. yu, j. g. cheng, z. x. zhao; “superconductivity of lanthanum superhydride investigated using the standard four-probe configuration under high pressures”, chinese physics letters (2020) 37, 107401

  

   

  tu1. zuotuweijiguangjiareqianhoudeyangpinhedianjiduibitu,youtuweishengjiangwenguochengceshidedianzushujuxianshichuchaodaozhuanbian;chatuweibutongcichangxiadedianzushuju,xianshichaodaozhuanbiansuicichangzengjiaerzhujianxiangdiwenyidong。

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