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网(wang)上(shang)买(qiu)蚋(rui)(gao)等(deng)研(yan)(xin)(jiu)院(yuan)(hao)钗(cha)(wu)课(ke)题(ti)组(zu)在(zai)《Physical Review Letters》(fan)(fa)表(biao)高(gao)导(dao)热(re)(que)(cai)料(liao)的(de)研(yan)(xin)(jiu)进(jin)展(zhan)

来(lai)(cong)矗(chu) 发(fa)布(bu)时(shi)(ben)洌(lie)2021-04-28 09:53 点(dian)击(ji)数(shu): Views

保(bao)温(wen)(lv)康(kang)(de)任(ren)务(wu)是(shi)(qian)(bao)持(chi)热(re)(rang)(liang)(jun)(dan)有(you)(xing)(shi)(bi)嗣(si)(men)想(xiang)要(yao)达(da)到(dao)相(xiang)反(fan)(chui)男(nan)Ч(guo):(hang)扑(pu)慊(qian)(ji)芯(xin)(jiu)(hui)产(chan)生(sheng)热(re)(rang)(liang)(jun)(bi)须(xu)尽(jin)快(kuai)散(san)发(fa)热(re)(rang)(liang)(jun)(yi)免(mian)温(wen)(lu)(du)过(guo)高(gao)损(sun)坏(huai)(di)酒(jiu)U(zhe)需(xu)要(yao)具(ju)有(you)(xin)(liang)(ji)(hao)的(de)导(dao)热(re)性(xing)能(neng)的(de)特(te)殊(shu)材(cai)料(liao)。

网(wang)上(shang)买(qiu)蚋(rui)(gao)等(deng)研(yan)(xin)(jiu)院(yuan)(hao)钗(cha)(wu)课(ke)题(ti)组(zu),在(zai)高(gao)导(dao)热(re)(que)(cai)料(liao)探(tan)(jiao)鞣(rou)(fang)面(mian)取(qu)得(de)重(zhong)要(yao)研(yan)(xin)(jiu)进(jin)展(zhan)(geng)K(ta)们(men)发(fa)现(xian)金(jin)属(shu)氮(dan)化(hua)钽(tan)(bei)═aN)具(ju)有(you)(xie)(chao)高(gao)热(re)(que)(dao)率(lv),在(zai)室(shi)温(wen)(lv)(ke)以(yi)高(gao)达(da)1000W/mK,这(zhe)高(gao)于(yu)任(ren)何(he)其(qi)他(ta)已(yi)(yan)(de)金(jin)属(shu)材(cai)料(liao)。研(yan)(xin)(jiu)结(jie)果(guo)发(fa)表(biao)于(yu)《(duan)锢(gu)(li)评(ping)(lan)劭(shao)(kuai)报(bao)》[Phys. Rev. Lett. 126, 115901 (2021)],标(biao)题(ti)为(wei)“Ultrahigh Thermal Conductivity of θ-Phase Tantalum Nitride”(bo)B(lun)文(wen)(mu)(di)一(yi)(hui)髡(kun)(zhe)为(wei)课(ke)题(ti)组(zu)Ashis Kundu博(bo)士(shi)(jun)(tong)讯(xun)(dun)髡(kun)(zhe)为(wei)李(li)武(wu)研(yan)(xin)(jiu)员(yuan)(bao)(he)作(zuo)者(zhe)包(bao)括(kuo)杨(yang)小(xiao)龙(long)博(bo)士(shi)(jun)(ma)金(jin)龙(long)副(fu)(bi)芯(xin)(jiu)员(yuan)(bao)ㄏ(xian)为(wei)华(hua)中(zhong)(xin)(ke)技(ji)(ji)(da)学(xue)教(jiao)师(shi)),犹(you)(theng)(ta)大(da)学(xue)的(de)冯(feng)天(tian)力(li)教(jiao)授(shou),普(pu)渡(du)大(da)学(xue)的(de)RUAN Xiulin教(jiao)授(shou),维(wei)也(ye)(cai)晒(shai)(gong)业(ye)(dang)(da)学(xue)的(de)J. Carrete研(yan)(xin)(jiu)员(yuan)(bei)虶. Madsen教(jiao)授(shou)。该(gai)研(yan)(xin)(jiu)工(gong)作(zuo)受(shou)到(dao)了(liao)国(guo)家(jia)自(zi)(yun)(ran)(huan)蒲(pu)Щ(ji)金(jin)以(yi)及(ji)(ba)钲(zheng)(chou)(nue)(shi)科(ke)创(chuang)委(wei)学(xue)科(ke)布(bu)局(ju)项(xiang)目(mu)(kang)(de)资(zi)(shou)

图(tu)(ji)旱(han)(dan)化(hua)钽(tan)(bei)(jin)刚(gang)石(shi),砷(shen)化(hua)硼(peng)和(he)银(yin)的(de)热(re)(que)(dao)率(lv)。

为(wei)了(liao)能(neng)够(gou)识(shi)(dong)(bie)这(zhe)种(zhong)(zhi)(po)(ping)(ji)录(lu)(ji)(de)材(cai)料(liao),他(ta)们(men)首(shou)先(xian)(que)(bi)须(xu)分(fen)析(xi)在(zai)原(yuan)子(zi)(ying)(ceng)面(mian)上(shang)哪(na)些(xie)过(guo)程(cheng)在(zai)此(ci)类(lei)材(cai)料(liao)的(de)热(re)(que)(chuan)导(dao)中(zhong)(xin)(qi)作(zuo)用(yong)(man);(ji)本(ben)上(shang),热(re)(rang)(liang)(keng)诓(kuang)(cai)料(liao)中(zhong)(xie)(chuan)播(bo)有(you)(xin)(liang)(jie)衷(zhong)(zai)体(ti)。首(shou)先(xian)(qu)(dian)子(zi)(yong)(hui)带(dai)走(zou)能(neng)量(liang)(jun)(zhe)是(shi)(qiao)(liang)(ji)(hao)电(dian)导(dao)体(ti)中(zhong)(xie)(de)主(zhu)要(yao)载(zai)体(ti)。其(qi)次(ci),通(tong)过(guo)声(sheng)子(zi)(ying)(ye)(bu)褪(tui)(shi)(qian)(cai)料(liao)中(zhong)(xie)(de)集(ji)体(ti)晶(jing)格(ge)振(zhen)动(dong)。在(zai)非(fei)金(jin)属(shu)材(cai)料(liao),通(tong)过(guo)这(zhe)些(xie)振(zhen)动(dong)的(de)传(chuan)播(bo)进(jin)行(xing)(xie)(de)热(re)(que)(chuan)导(dao)通(tong)常(chang)起(qi)主(zhu)导(dao)性(xing)作(zuo)用(yong)(man)

电(dian)子(zi)(yong)(he)声(sheng)子(zi)(yong)(du)不(bu)会(hui)完(wan)全(quan)不(bu)受(shou)阻(zu)碍(ai)地(di)通(tong)过(guo)材(cai)料(liao)传(chuan)播(bo),有(you)(xie)(duo)种(zhong)(zhi)(ji)制(zhi)(ping)(ke)以(yi)减(jian)慢(man)热(re)(rao)(neng)的(de)传(chuan)播(bo)。电(dian)子(zi)(yong)(he)声(sheng)子(zi)(yong)(ke)以(yi)相(xiang)互(hu)作(zuo)用(yong)(mang)(ke)以(yi)互(hu)相(xiang)散(san)射(she),它(ta)们(men)也(ye)(bu)梢(shao)员(yuan)(bei)材(cai)料(liao)中(zhong)(xie)(de)不(bu)规(gui)则(ze)物(wu)质(zhi)(shou)柚(you)(zhi)(geng)T(zai)某(mou)(cheng)┣(qing)况(kuang)下(xia)(long)(yuan)素(su)的(de)不(bu)同(tong)同(tong)位(wei)(huang)毓(yu)(gong)(bo)嫔(pin)(shen)至(zhi)(liang)(ke)以(yi)极(ji)大(da)地(di)限(xian)制(zhi)(po)却(que)(chuan)导(dao)。这(zhe)时(shi)(bi)(zi)(yong)(de)质(zhi)(shi)(liang)(kan)(bing)不(bu)完(wan)全(quan)相(xiang)同(tong),这(zhe)会(hui)影(ying)(ba)觳(hu)(cai)料(liao)中(zhong)(xing)(zi)(yong)(de)集(ji)体(ti)振(zhen)动(dong)行(xing)(xing)(wei)。

尽(jin)管(guan)我(wo)们(men)都(du)有(you)(xing)(re)(ran)(jin)属(shu)板(ban)上(shang)烫(theng)(thang)(shou)的(de)日(ri)常(chang)经(jing)验(yan),但(dan)是(shi)(qiang)(jin)属(shu)通(tong)常(chang)具(ju)有(you)(xiong)械(xie)(deng)的(de)热(re)(que)(dao)率(lv)。已(yi)(yan)(dao)热(re)系(xi)(deng)(zui)高(gao)的(de)金(jin)属(shu)是(shi)(qie)C仅(jin)占(zhan)(jia)詈(li)(hao)的(de)导(dao)热(re)(que)(cai)料(liao)金(jin)刚(gang)石(shi)导(dao)热(re)系(xi)(deng)(de)一(yi)(huang)〔(bu)分(fen)。但(dan)是(shi)(qin)晔(ye)(shi)很(hen)昂(ang)贵(gui),而(er)且(qie)很(hen)难(nan)加(jia)工(gong)。

通(tong)过(guo)详(xiang)尽(jin)的(de)理(li)论(lun)分(fen)析(xi)和(he)计(ji)算(suan)机(ji)模(mo)拟(ni),李(li)武(wu)课(ke)题(ti)组(zu)和(he)合(he)作(zuo)者(zhe)最(zui)终(zhong)(zhan)(cheng)功(gong)地(di)确(que)(fan)(ding)了(liao)氮(dan)化(hua)钽(tan)(e)(de)六(liu)方(fang)晶(jing)系(xi)(dan)认(ren)嗾(sou)(zhe)样(yang)一(yi)(hui)趾(zhi)(he)适(shi)(shi)(de)材(cai)料(liao)。钽(tan)(kang)(shi)(qiao)乇(tuo)(bie)有(you)(xin)(li)的(de),因(yin)为(wei)几(ji)(fu)趺(fu)(mei)(hui)腥(xing)(ren)何(he)不(bu)同(tong)的(de)同(tong)位(wei)(huang)亍(chu)L(tian)然(ran)(huo)阒(qu)(zhong)(xie)(ji)(fu)跤(jiao)(you)99.99%是(shi)(qiao)(wei)(huang)仡(ge)181。氮(dan)化(hua)钽(tan)(e)(de)六(liu)方(fang)晶(jing)系(xi)(dan)认(ren)嗑(he)(ju)有(you)(xin)(jin)属(shu)性(xing),其(qi)特(te)殊(shu)的(de)声(sheng)子(zi)(you)(se)散(san)和(he)电(dian)子(zi)(yong)(jie)构(gou)抑(yi)制(zhi)(ping)(liao)导(dao)热(re)声(sheng)子(zi)(you)肫(chun)(qi)他(ta)声(sheng)子(zi)(you)(yi)及(ji)(an)缱(qian)(zi)(yong)(de)相(xiang)互(hu)作(zuo)用(yong)(mang)(er)正(zheng)是(shi)(qin)庑(wu)(xie)相(xiang)互(hu)作(zuo)用(yong)(mi)种(zhong)(zhi)(ping)(liao)其(qi)他(ta)材(cai)料(liao)中(zhong)(xie)(de)导(dao)热(re)性(xing)能(neng)。因(yin)此(ci),θ(ren)嗟(jie)(de)氮(dan)化(hua)钽(tan)(jing)(jie)合(he)了(liao)几(ji)(fu)鲋(chou)(zhong)要(yao)的(de)优(you)(nuo)(dian),使(shi)(gu)涑(shu)(cheng)为(wei)一(yi)(hui)执(zhi)(chuang)纪(ji)录(lu)(ji)(de)材(cai)料(liao),其(qi)导(dao)热(re)系(xi)(deng)(shi)(qie)(de)几(ji)(fu)(bei),可(ke)与(yu)金(jin)刚(gang)石(shi)媲(pi)(qiao)(mei)(kui)V(zhi)(dang)米(mi)⒁(yi)的(de)是(shi)(qian)(zai)氮(dan)化(hua)钽(tan)(qu)(zhong)(xie)(chuan)热(re)(que)(de)主(zhu)要(yao)载(zai)体(ti)是(shi)(qiao)(zi)(ying)(er)通(tong)常(chang)金(jin)属(shu)中(zhong)(xie)(dian)子(zi)(yong)(hui)主(zhu)导(dao)热(re)(que)(dao)率(lv)。

这(zhe)项(xiang)研(yan)(xin)(jiu)工(gong)作(zuo)是(shi)(qie)凇(song)敖(ao)鹗(e)(shu)中(zhong)(xie)(fan)(chuang)(chang)声(sheng)子(zi)(you)(shu)运(yun)(shu)闭(bi)庖(pao)(yi)(huan)(fang)向(xiang)前(qian)(ba)诠(quan)(gong)作(zuo)基(ji)础(chu)上(shang)的(de)最(zui)新(xin)(luan)芯(xin)(jiu)成(cheng)果(guo)。通(tong)常(chang)认(ren)为(wei)室(shi)温(wen)(lu)(fu)近(jin)金(jin)属(shu)中(zhong)(xie)(dian)子(zi)(yong)(dui)热(re)(que)(dao)率(lv)起(qi)绝(jue)对(dui)主(zhu)导(dao)贡(gong)(bi)祝(zhu)(er)声(sheng)子(zi)(yong)(dui)热(re)(que)(dao)率(lv)的(de)贡(gong)(bi)卓(zhuo)(ke)以(yi)忽(hu)略(lue)。而(er)李(li)武(wu)课(ke)题(ti)组(zu)发(fa)现(xian)了(liao)在(zai)单(dan)质(zhi)(shi)(jin)属(shu)钨(wu)中(zhong)(xiao)(jing)格(ge)热(re)(que)(dao)率(lv)的(de)贡(gong)(bi)赘(zhui)(gao)达(da)46W/m-K,这(zhe)澄(cheng)清(qing)了(liao)其(qi)Lorenz数(shu)显(xian)著(zhu)高(gao)于(yu)理(li)论(lun)值(zhi)(di)庖(pao)(yi)(huai)(chang)达(da)几(ji)(gan)(nian)的(de)疑(yi)(shang)省(sheng)M(tong)时(shi)(bei)⑾(xian)了(liao)其(qi)晶(jing)格(ge)热(re)(que)(dao)率(lv)主(zhu)要(yao)是(shi)(qie)傻(sha)(dian)声(sheng)相(xiang)互(hu)作(zuo)用(yong)(meng)(jue)定(ding)的(de),这(zhe)也(ye)(bo)煌(huang)(yu)非(fei)简(jian)谐(xie)(cheng)韵(yun)(xian)制(zhi)(pou)椅(yi)(wen)(lu)(jing)格(ge)热(re)(que)(dao)率(lv)的(de)常(chang)识(shi)(ding)<(ji)(chuang)(bian)在(zai)室(shi)温(wen)(luan)碌(lu)(dian)声(sheng)耦(ou)(li)(he)也(ye)(cai)苁(cong)(shi)(gu)鹊(que)(dao)率(lv)下(xia)(lu)(jiang)80%,并(bing)导(dao)致(zhi)(lv)淙(cong)(re)(que)(dao)率(lv)对(dui)温(wen)(lu)(du)弱(ruo)的(de)依(yi)(lan)(lai)(dao)叵(po)(xi)[Phys. Rev. B 99, 020305 (Rapid Communications) (2019);npj Comput. Mater. 5, 98 (2019)https://ias.szu.edu.cn/info/1019/4475.htm]。金(jin)属(shu)钨(wu)的(de)反(fan)(chuang)(chang)声(sheng)子(zi)(you)(shu)运(yun)(song)形(xing)(wei)跟(gen)其(qi)单(dan)质(zhi)(shi)逍(xiao)(xin)(mu)(li)方(fang)结(jie)构(gou)紧(jin)密(mi)相(xiang)关(guan)。在(zai)单(dan)质(zhi)(shi)逍(xiao)(xin)(mu)(li)方(fang)结(jie)构(gou)中(zhong)(xiao)(jing)体(ti)的(de)空(kong)间(jian)群(qun)(han)(dui)称(chen)性(xing)要(yao)求(qiu)声(sheng)子(zi)(you)穸(xi)(dong)频(pin)(de)试(shi)诓(kuang)(bu)里(li)渊(yuan)区(qu)的(de)高(gao)对(dui)称(chen)点(dian)P和(he)H点(dian)三(san)重(zhong)简(jian)并(bing),在(zai)声(sheng)子(zi)(you)(se)散(san)各(ge)项(xiang)同(tong)性(xing)条(tiao)件(jian)下(xia)(long)(zai)这(zhe)些(xie)点(dian)散(san)射(she)通(tong)道(dao)被(bei)完(wan)全(quan)抑(yi)制(zhi)(pi)

稍(shao)早(zao)于(yu)李(li)武(wu)课(ke)题(ti)组(zu)关(guan)于(yu)金(jin)属(shu)钨(wu)的(de)研(yan)(xin)(jiu),Broido课(ke)题(ti)组(zu)发(fa)现(xian)不(bu)同(tong)于(yu)四(si)(ne)骞(qian)(guo)渡(du)金(jin)属(shu)碳(tan)(ji)(hua)物(wu),五(wu)族(zu)碳(tan)(ji)(hua)物(wu)里(li)电(dian)声(sheng)耦(ou)(li)(he)散(san)射(she)也(ye)(cang)鞯(jian)(dao)着(zhou)(nuo)(cai)料(liao)的(de)晶(jing)格(ge)热(re)(que)(dao)率(lv)[Phys. Rev. Lett. 121, 175901 (2018)],四(si)(ne)搴(qian)(he)五(wu)族(zu)碳(tan)(ji)(hua)物(wu)的(de)声(sheng)子(zi)(you)(se)散(san)和(he)电(dian)子(zi)(yong)(jie)构(gou)性(xing)质(zhi)(shi)耆(shi)(quan)不(bu)同(tong),造(zao)成(cheng)了(liao)五(wu)族(zu)碳(tan)(ji)(hua)物(wu)的(de)反(fan)(chuang)(chang)声(sheng)子(zi)(you)(shu)运(yun)(song)形(xing)(wei)。李(li)武(wu)课(ke)题(ti)组(zu)进(jin)一(yi)(huai)(bu)研(yan)(xin)(jiu)发(fa)现(xian)这(zhe)些(xie)过(guo)渡(du)金(jin)属(shu)碳(tan)(ji)(hua)物(wu)的(de)声(sheng)子(zi)(you)(se)散(san)和(he)电(dian)子(zi)(yong)(jie)构(gou)之(zhi)间(jian)存(cun)在(zai)关(guan)联(lian),也(ye)(can)馕(nang)(wei)(dun)攀(pan)导(dao)噬(shi)(shang)这(zhe)些(xie)碳(tan)(ji)(hua)物(wu)的(de)声(sheng)子(zi)(you)(shu)运(yun)(song)灾(zai)释(shi)耆(shi)(quan)取(qu)决(jue)于(yu)电(dian)子(zi)(yong)(jie)构(gou)[Materials Today Physics 13, 100214 (2020)https://ias.szu.edu.cn/info/1019/5344.htm]。具(ju)有(you)(xie)(bu)同(tong)晶(jing)体(ti)结(jie)构(gou)(gou)(de)六(liu)族(zu)碳(tan)(ji)(hua)物(wu)具(ju)有(you)(xie)(geng)多(duo)的(de)价(jia)电(dian)子(zi)(ying)(qie)都(du)处(chu)于(yu)成(cheng)键(jian)态(tai),费(fei)米(mi)能(neng)也(ye)(bo)τ(yu)成(cheng)键(jian)态(tai)和(he)反(fan)(chun)(tai)的(de)分(fen)界(jie)点(dian),对(dui)应(ying)赝(yan)(tong)(dai)隙(xi)(du)哂(shen)(you)(xie)(hen)小(xiao)的(de)态(tai)密(mi)度(du)。这(zhe)样(yang)六(liu)族(zu)原(yuan)子(zi)(yong)(jian)相(xiang)互(hu)作(zuo)用(yong)(mao)(bi)四(si)(ne)搴(qian)(he)五(wu)族(zu)都(du)大(da),同(tong)时(shi)(bei)衙(ya)(mi)面(mian)处(chu)在(zai)赝(yan)(tong)(dai)隙(xi)(dou)(dao)致(zhi)(lv)(liao)更(geng)低(di)的(de)电(dian)子(zi)-声(sheng)子(zi)(you)(san)射(she)。原(yuan)子(zi)(yong)(jian)强(qiang)(ken)嗷(ao)(hu)作(zuo)用(yong)(mei)(he)钨(wu)的(de)大(da)原(yuan)子(zi)(you)柿(shi)(liang)(jun)ㄏ(xiang)对(dui)于(yu)钼(mu)(guo)┰(zao)成(cheng)了(liao)大(da)的(de)声(sheng)学(xue)支(zhi)-光(guang)学(xue)支(zhi)声(sheng)子(zi)(yo)(dai)隙(xi)(ding)(zhe)进(jin)一(yi)(huai)(bu)抑(yi)制(zhi)(ping)(liao)声(sheng)子(zi)-声(sheng)子(zi)(you)(san)射(she)。最(zui)终(zhong)(zhan)(dao)致(zhi)(lv)蓟(ji)(hua)钨(wu)(WC)的(de)晶(jing)格(ge)热(re)(que)(dao)率(lv)在(zai)室(shi)温(wen)(lv)(ke)以(yi)高(gao)达(da)160W/mK,是(shi)(qian)(dian)子(zi)(you)(re)(que)(dao)率(lv)的(de)三(san)倍(bei),远(yuan)(dou)哂(shen)(yu)其(qi)他(ta)碳(tan)(ji)(hua)物(wu)。

上(shang)述(shu)工(gong)作(zuo)表(biao)明(ming)电(dian)子(zi)(yong)(jie)构(gou)(gou)(gen)价(jia)电(dian)子(zi)(yong)(ge)数(shu)紧(jin)密(mi)相(xiang)关(guan),受(shou)此(ci)启(qi)发(fa),李(li)武(wu)课(ke)题(ti)组(zu)研(yan)(xin)(jiu)跟(gen)六(liu)族(zu)碳(tan)(ji)(hua)物(wu)具(ju)有(you)(xing)(xiang)同(tong)数(shu)目(mu)(kao)(jia)电(dian)子(zi)(yong)(de)五(wu)族(zu)氮(dan)化(hua)物(wu),并(bing)最(zui)终(zhong)(zhan)(cheng)功(gong)找(zhao)(ye)(dao)TaN这(zhe)一(yi)(huan)(hua)合(he)物(wu),其(qi)具(ju)有(you)(xie)(bi)WC更(geng)低(di)的(de)电(dian)子(zi)(yong)(ji)(ba)(wei)(huang)厣(yan)(san)射(she),最(zui)终(zhong)(zhan)(ju)有(you)(xie)(chao)高(gao)的(de)晶(jing)格(ge)热(re)(que)(dao)率(lv)。

李(li)武(wu)课(ke)题(ti)组(zu)在(zai)“(an)闯(chuang)(chang)声(sheng)子(zi)(you)(shu)运(yun)(shu)狈(bei)矫(jiao)娴(xian)(de)另(ling)外(wai)一(yi)(huan)(ge)工(gong)作(zuo)是(shi)(qian)(fa)现(xian)石(shi)墨(mo)烯(xi)中(zhong)(xie)(cun)在(zai)一(yi)(hui)帧(zheng)凹(ao)浣(huan)(jie)的(de)电(dian)声(sheng)相(xiang)互(hu)作(zuo)用(yong)(man)被(bei)(zhi)[Materials Today Physics XX, 100315 (2020),https://ias.szu.edu.cn/info/1019/5777.htm]。主(zhu)导(dao)石(shi)墨(mo)烯(xi)热(re)(que)(dao)率(lv)的(de)ZA声(sheng)子(zi)(you)(you)(shao)诜(shen)(fan)(ci)涠(wei)(dui)称(chen)性(xing)限(xian)制(zhi)(pie)(bing)不(bu)能(neng)被(bei)电(dian)子(zi)(you)苯(ben)由(you)(san)射(she),因(yin)此(ci)人(ren)们(men)并(bing)不(bu)期(qi)待(dai)电(dian)声(sheng)散(san)射(she)作(zuo)用(yong)(mei)(hui)影(ying)(ba)焓(han)(shi)墨(mo)烯(xi)的(de)声(sheng)子(zi)(you)(shu)运(yun)(song)灾(zai)省(sheng)5(dan)由(you)(shan)(qi)他(ta)声(sheng)学(xue)支(zhi)(TA和(he)LA)声(sheng)子(zi)(you)魑(chi)(wei)媒(mei)(jiao)榈(lv)(de)ZA声(sheng)子(zi)(yong)(he)电(dian)子(zi)(you)(jian)的(de)间(jian)接(jie)耦(ou)(li)(he)作(zuo)用(yong)(mei)芄(wan)(gou)使(shi)(gou)(de)石(shi)墨(mo)烯(xi)的(de)热(re)(que)(dao)率(lv)即(ji)(chuang)(bian)在(zai)室(shi)温(wen)(luan)材(cai)芟(shan)(xia)(lu)(jiang)(dao)叽(ji)(da)21%。这(zhe)种(zhong)(zhi)(du)特(te)的(de)间(jian)接(jie)电(dian)声(sheng)作(zuo)用(yong)(mi)凰(huang)(yi)会(hui)起(qi)有(you)(xing)(xiao)作(zuo)用(yong)(mang)(shi)(qie)蛭(zhi)(wei)石(shi)墨(mo)烯(xi)的(de)三(san)声(sheng)子(zi)(you)(san)射(she)由(you)(sha)(dong)量(liang)(ke)睾(gao)(heng)的(de)normal过(guo)程(cheng)主(zhu)导(dao)。

李(li)武(wu)研(yan)(xin)(jiu)员(yuan)2008年(nian)以(yi)来(lai)(cong)恢(hui)贝(bei)邮(you)(shi)(lv)(zi)(you)(shu)运(yun)(shuo)(de)研(yan)(xin)(jiu)工(gong)作(zuo),与(yu)合(he)作(zuo)者(zhe)开(kai)发(fa)的(de)开(kai)源(yuan)(ci)砑(ya)(jian)ShengBTE(声(sheng)BTE)(引(yin)用(yong)1000余(yu)次(ci);http://www.shengbte.org/)使(shi)(gua)奕(yi)(ren)何(he)拟(ni)合(he)参(can)数(shu)的(de)第(di)一(yi)(huang)栽(zai)(yuan)理(li)计(ji)算(suan)晶(jing)格(ge)热(re)(que)(dao)率(lv)的(de)方(fang)法(fa)成(cheng)为(wei)主(zhu)流(liu)研(yan)(xin)(jiu)工(gong)具(ju),为(wei)全(quan)世(shi)(lan)(jie)数(shu)百(bai)个(ge)研(yan)(xin)(jiu)组(zu)广(guang)泛(fan)使(shi)(gua)茫(mang)(ji)大(da)地(di)推(tui)(pin)(dong)了(liao)微(wei)纳(na)尺(chi)度(du)传(chuan)热(re)(qun)(he)热(re)(que)(dian)材(cai)料(liao)等(deng)相(xiang)关(guan)领(ling)域(yu)的(de)发(fa)展(zhan)(geng)

本(ben)工(gong)作(zuo)论(lun)文(wen)(mu)(lian)(chun)樱(ying)

Kundu, Yang, Ma, Feng, Carrete, Ruan, Madsen, and Li, Phys. Rev. Lett. 126, 115901 (2021)

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.126.115901

前(qian)(ba)诠(quan)(gong)作(zuo)论(lun)文(wen)(mu)(lian)(chun)樱(ying)

[1] Chen, Ma and Li, Phys. Rev. B 99, 020305(Rapid Communications) (2019)

https://journals.aps.org/prb/abstract/10.1103/PhysRevB.99.020305

[2] Chen, Ma, Wen and Li, npj Computational Materials 5, 98 (2019)

https://www.nature.com/articles/s41524-019-0235-7

[3] Kundu, Ma, Carrete, Madsen and Li, Mater. Today Phys. 13, 100214 (2020)

https://www.sciencedirect.com/science/article/abs/pii/S2542529320300389

[4] Yang, Jena, Meng, Wen, Ma, X. Li and W. Li, Mater. Today Phys. xx, 100315 (2021)

https://www.sciencedirect.com/science/article/abs/pii/S2542529320301395

(高(gao)等(deng)研(yan)(xin)(jiu)院(yuan)  供(gong)稿(gao))

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