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《structural and optical properties of tellurium films obtained by chemical vapor deposition（cvd）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Structuralandopticalpropertiesoftelluriumfilmsobtainedbychemicalvapordeposition（CVD）SciencePressAvailableonlineatwww.sciencedirect.corn…cE@…….Trans.NonferrousMet.Soc.China16(2006)693—699TransactionsofNonferrousMetalsSocietyofChinaWWW.CSU.edu.cn/ysxb/Structuralan
2、dopticalpropertiesoftelluriumfilmsobtainedbychemicalvapordeposition(CVD)MAⅥI-liaIl(马玉天)I,2,GONGZhu.Qing(~青),XUwei-Hong(徐卫红),HUANGJian(~坚)1.SchoolofMetalhrgicalScienceandEngineering,CentralSouthUniversity,Changsha410083,China;2.JinchuanGroupLtd,Jinchang737100,Chi
3、naReceived18July2005;accepted14March2006Abstract:Telhriumthinfilmswerepreparedbythechemicalvapordepositionmethod.Thestructure,surfacemorphologyandopticalpropertiesoftheTeminfilmswereanalyzedbypowderX—raydiffraction,scanningelectronmicroscopy,FTIRtransmission.UV/
4、vIS/NIRtransmissionandreflectance.Theresultsshowthatthefilmsstructuralandopticalpmpertiesareinfluencedbymanyfactorssuchasfilmthickness,crystallitesizeandsubstratetemperature.Thefilmsasthickasll卜l33nlnhavehigbIRtransmissionacrossthefull8-13panbandandhighlyblockin
5、ginthesolarspectralregionelsewhere.whichindicatesthatTefilmsthicknessinmisregioncanbeusedasgoodsolarradiationshieldsinradiativecoolingdevices.Keywords:telluriumthinfilm;chemicalvapordeposition;solarradiationshields;radiativecooling1IntroducfionTethinfilmshavebee
6、nextensivelyusedinvariOBStechnologicalareas,especiallyinmicroelectronicdevicessuchasgassensor[卜3],opticalinformationstorage[4]andotherapplications【5—7].AlltheseapplicationsareduetoremarkablephysicalpropertiesofTesuchas1owband—gapandtransparencyintheinfraredregio
7、n.Inadditiontoabovephysicalproperties,Tefilmshaveanotherspecialcharacteristic,namelyspectralselectivity,whichcanbeusedasshieldinradiativecoolingsystem[8—13].Radiativecoolingistheoneamongtodayschallengesinmaterialsscienceresearch.ItOccurswhenabodygetscoldbyloosin
8、genergythroughradiativeprocesses.Thephenomenonofradiativecoolingusesthefactthatthetherma1energyemittedbyaclearskyinthe''atmosphericwindowregion"(8—13Ixm)[14]ismuchles
