简介：ThechemicalstateofgrainboundarycosegregationofCeandPinFe-P-CealloysystemwasstudiedbymeansofAugerElectronSpectroscopy(AES).TheAugerpeaksofCesegregatedatgrainboundariesarefoundwithintherangeof60～180eV.BycomparingwiththeAugerspectraoftheFe-Ce-Pintermetalliccompound,itissupposedthatthereisatwo-dimensionalinterfacialphaseatgrainboundarieswithCeandPcosegregationwhichissimilartothestructureoftheFe-Ce-Pcompound.

简介：TheoverallreactionwasdeterminedonthebasisofthedissociationconstantofTBAandtheratiooftheligandtotherareearthioninthecomplex.Theratelaw,rateconstantsandacitivitionenergiesforthereactionofLa3+,Gd3+andHo3+withTBAwerestudied.ItisshowninthestudythatprerequisitesforperformingdifferentialrateanalysisforbinaryrareearthswithTBAarethatthepseudo-first-orderparallelreactionmechanismshouldbeconformedwith,nomultinuclearcomplexwouldbeformedandtheco-colorationeffectscouldbeneglected.

简介：用Ce的蚀刻的技术是为擦亮并且塑造钻石电影的一个方便、快的方法。在这研究，擦亮象在表面crystallinity和钻石电影的阶段作文上擦亮温度和时间那样的参数的影响彻底地经由象FWHM和ID/IG那样的拉曼系列的分析被调查。而且，在与Ce擦亮以后的钻石的graphitization上的问题进一步包括FWHM通过拉曼数据的深度分发的详细学习被研究，ID/IG，和与热铁的金属完全不同的结果擦亮被获得。结果证明擦亮的钻石电影在擦亮前比那些有更加更高的钻石内容，并且不，一点graphitization在擦亮的被发现，由于在在转变金属的比那的稀土元素金属Ce的碳的更高的溶解度，并且与Ce擦亮的电影的原来的crystallinity没败坏。

简介：Er/Ybco-dopedborate-silicateglasseswithvariousYbconcentrationswerefabricatedbyhigh-temperaturesolid-reactionmethod.Thephotoluminescencespectraaround1.55μmandthevisibleupconversionspectraweremeasured.TheradiativelifetimeofEr-4I13/2,com-paredwiththemeasuredone,wasobtainedbyJudd-Ofelttheorybasedontheabsorptionspectra.ArateequationmodelforEr/Ybco-dopedsystemhasbeenestablishedbasedonthedataobtainedfromthemeasurements,includingtheabsorptionandemissio...

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简介：一系列立方的稀土元素sesquioxidesRE2O3的拉曼系列(RE=Eu，Gd，Dy，惊讶，嗯，Tm，Yb，陆，Sc和Y)被拉曼光谱学与532和785根nm激光线调查。丰富的另外的乐队由于激光激动的光被观察。为Eu2O3，Dy2O3，Ho2O3，Er2O3，Tm2O3和Yb2O3，，光主要为Gd2O3，Lu2O3，Sc2O3和Y2O3来自内在的三价的lanthanide离子，他们的光被归因于象Eu3+，Nd3+和Er3+那样的另外的光lanthanide离子的踪迹杂质。这调查为检测踪迹作为一个有用工具证实了拉曼光谱学光lanthanide杂质。

简介：Awhitelong-lastingphosphorCa2MgSi2O7:Dy3+waspreparedbythesolid-statereaction.Astrongbandpeakedat260nmwasshownintheexcitationspectrumof578nmemission,whichmightbeattributedtotheoxygendeficiencyofthehost.Afterirradiatedwith254nmfor4min,thewhiteafterglowofthesamplecouldbeseenfor3h.Moreover,thedepthsandfrequencyfactorsoftrapcenterswerecal-culatedfromthethermo-luminescencecurveofthesample,whichindicatedthatthetrapcenterscorrespondingtothe414Kbandweremorehelpfultothelong-lastingphosphorescence.