简介：本文采用溶胶-凝胶法，获得了铁掺杂的纳米TiO2样品，XRD和透射电镜测量表明在600℃以下焙烧时为锐钛矿，颗粒度在10nm以下，样品在1000℃下焙烧时，转变为金红石相，颖粒度增大。EXAPS和穆谱表明，铁的确掺杂到TiO2晶格内，表现为3价。铁的掺杂改变了纯的TiO2的性质，对于锐铁矿相的掺铁纳米TiO2，其紫外-可见反射光谱给出在481nm处出观了新的吸收峰，；对于以金红石相为主的掺铁纳米TiO2，其紫外-可见反射光谱在512nm处出现了新的吸收峰。

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简介：Ti-dopedW03filmswerepreparedbythemid-frequencydual-targetmagnetronsputteringmethod.ThestructureandelectrochromicpropertiesoftheTi-dopedWO3filmswereanalysedbyX-Raydiffraction(XRD),Ramanspectroscopy,spectrophotometer,cyclicchronoam-perometryandatomicforcemicroscopy(AFM).Theresultsindicatethatthecrystallinitydecreaseafterthedopingoftitanium,thechannelsforioninjectionandextractionincrease,therespondingspeedwith5.1%titaniumdopedbecomesfaster,anditscirclelifeincreasesmorethanfourtimescomparedwiththeundopedWOafilm.Inthecolouredstate,theW-O-Wbondsdecrease,buttheW=Obondsincrease.SincetheW-O-WbondsbreakdownforLi~+ions'injectionandmoreW=Obondsform,itismoreconvenienttoinjectLi~+ionsintotheTi-dopedfilmthanundopedfilmbecausemoreW-O-Wbondsbreakdowninthecolouredstate.

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简介：Undercoronalconditions,thesteadystaterate-equationsareusedtocalculatetheinter-stagelineratiosbetweenLi-likels22p(2p3/2)→ls22s(2S1/2)andHe-likels2p(1P1)→ls2(1So)transitionsforTiintheelectronictemperaturerangesfrom0.1kevto20keV.Theresultsshowthatthetemperaturesensitivitiesarehigherattheelectronictemperaturelessthan5000eVandthetemperaturesensitivitieswilldecreasewiththeincreaseofelectronictemperature.

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