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单层WSe2中单光子发射中心的辐射复合机理研究取得进展

2020-04-30

北京幸运赛车erweiguodujinshuliuzuhuahewuyouyuqijuyouyuanzijibiedehoudu、jiaoqiangdezixuanguidaoouhe、jiaodadejizishufunenghekejianguangquzhijiedaixidetedian,zhujianchengweihoumoershidaixincailiaodeyanjiuredian。youqishidancengguodujinshuliuzuhuawutigongleyizhongxindedianziziyoudu——nenggu,weiweilaiguangdianxinxichulitigonglexindetujing。zuijin,zaierweitixizhongliyongquexianfaguangshixianledanguangziguangyuan,zheiweipianshangjichengliangziguangxuewangluotigongleyigexindepingtai。raner,zheixieerweicailiaodanguangzifaguangzhongxindelaiyuanyijiqifushefuhejiliyiranbushihenqingchu。

jiyuci,zhongguokebeijingxingyunsaichewuliyanjiusuo/beijingningjutaiwuliguojiayanjiuzhongxinxuxiulaiketizujieheerweiguodujinshuliuzuhuawudenengdaitexingbingliyongjihuafenbiandeciguangguangpuduidanguangzifashedefuhejizhijinxinglexitongdeyanjiu。tamenzaidancengwse2cailiaodebianyuanchufaxianlesanzhongjuyoubutongdaxiaolangdegyinzihejingxijiegoupiliededanguangzifashefeng,binggenjuwse2denengdaitexingtichulelilunmoxing,xitongdijieshilezheisanzhongleixingdanguangzifushedelaiyuanbingjieshileqifushefuhejizhi。xiangguangongzuofabiaozai【npj 2d mater. appl. 4, 2 (2020)】,dangjianchenweigaiwenzhangdiyizuozhe。

ciguangguangpushiyanjiuerweiguodujinshuliuzuhuawunengguxingzhideyizhongzhongyaogongju。liru,saimanpiliekeyiyonglaiyanzhengzixuan、guheguidaocijuzaisaimanxiaoyingzhongdegongxian。xuxiulaiketizuzaiqianqidegongzuozhongliyongciguangguangpuyanjiuledancengmos2juyutaijizizhongdeduotixiaoyinghequexiandaozhideshuangcengws2cengjianjizideyueqian,xiangguanchengguofenbiefabiaozai【phys. rev. mater. 3, 051001(r) (2019)】he【appl. phys. lett. 114, 113104 (2019)】shang。benwenzaiqianqigongzuodejichushang,liyongjihuafenbiandeciguangguangpuxitongdiyanjiuledancengwse2cailiaobianyuandedanguangzifashefengdeciguangtexing。tongguotongjihefenxifaxianlesanzhongleixingdedanguangzifaguangfeng,fenbiebiaoxianweijiaoxiaogyinzijiaoxiaojingxijiegoupilie、jiaodagyinzijiaodajingxijiegoupilieyijijihumeiyousaimanpiliehejingxijiegoupilie。zhenduizheisanzhongleixingdefushefuheguocheng,tongguoguidaocijuduisaimanpiliedebutonggongxiandefenxijieshilebutongdegyinzichanshengdeyuanyin,bingjinyibutongguodianzikongxuebohanshuzhongdiechanshengdejiaohuanxianghuzuoyongfenxilejingxijiegoupiliedaxiao,congertichuleyigehelidelilunmoxing。zuihoujiehenengguyuquexiandetexingfaxianzheisanzhongdanguangzifashefenbieduiyingyuquexiannengjidaoquexiannengji、quexiannengjidaojiadaihedaodaidaoquexiannengjidefushefuheyueqianguocheng。tongguoduidancengwse2zhongchuxiandedanguangziyuanleixinghefushejizhidequerenweiyihoucongjingzhundiaokongerweicailiaodanguangziguangyuantigonglewuliyiju。

北京幸运赛车gaigongzuodedaoguojiazirankexuejijin(pizhunhao: 51761145104、11934019、61675228、11721404、11874419)、beijingxingyunsaichebleixiandaozhuanxiang(zhuanxiangbianhao: xdb28000000)、beijingxingyunsaichekeyanyiqishebeiyanzhixiangmu(xiangmubianhao: yjkyyq20180036)、beijingxingyunsaichechuangxinjiaochatuanduiyijiguangdongshengzhongdianyanfaxiangmu(pizhunhao: 2018b030329001)dezhichi。

tu1. dancengwse2zailingcichangxiadeyingguangguangpuxingzhi: (a)dancengwse2cailiaobianyuandeyingguangguangpu,butongjianfengduiyingbutongdedanguangzifuhefaguang。(b)he(c)yingguangqiangduhemouyitezhengguangpusuishijiandebianhua。(d)juyoujingxipiliedeyingguangguangpudepianzhenxiangying。

北京幸运赛车tu2. faladigouxingxiadeliangzhongdanguangzifashefengdeciguangxingzhi: (a-c)juyoujiaoxiaogyinzihejiaoxiaojingxijiegoupiliededanguangziyuan(typeⅰ)deciguangguangpuhegyinziyujingxijiegoupiliedenihejieguo。(d-f)juyoujiaodagyinzihejiaodajingxijiegoupiliededanguangziyuan(typeⅱ)dejihuafenbiandeciguangguangpu。

tu3. disanzhongleixingdanguangziyuan(typeⅲ)dejihuafenbiandeciguangguangpu: (a-b)butongcichangxiazuoyouxuanshoujideciguangguangpu。(c)zuoyouxuanshoujidefaguangfengnengliangjihubusuicichangbianhua。(d)zuoyouxuanshoujideyingguangxiangduiqiangdusuicichangdebianhua。

tu4. sanzhongleixingdanguangzifushefuhejizhishiyitu: quexiannengjidaoquexiannengji(typeⅰ),quexiannengjidaojiadai(typeⅱ)hedaodaidaoquexiannengji(typeⅲ)defushefuheguocheng。

zerenbianji: yeruiyou

(来源:北京幸运赛车|首页



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