简介：Nearlysingle-phaseandpolycrystallinecharge-density-wavecompoundK_(0.3)MoO_3havebeenpreparedbyusingasimplemethod.Inthiswork,K_2CO_3andMoO_3wereusedasstartingmaterialsandreactedbyhotisostaticpressing(HIP)sintering.TheproductisnearlysinglephaseK_(0.3)MoO_3determinedbyX-raypowderdiffraction(XRD)andenergydispersivespectroscopy(EDS).MeasurementoftemperaturedependenceofresistivityrevealsthatthetransportpropertyofpolycrystallineK_(0.3)MoO_3obviouslydiffersfromthatofsinglecrystalduetothegrainboundariesandtheanisotropicstructureinthiskindofcompound.

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简介：Inordertorealizetheco-firingwithAg/Pdelectrodesinmultilayerdevices,Pb(Zn1/3Nb2/3)1-,-yZrxTiyO3(0.25＜x＜0.35,0.25＜y＜0.35)piezoelectricceramics(hereafterdesignatedPZN-PZT)modifiedbyLa2O3hasbeenpreparedbyconventionaltechniquewithsinteringtemperaturefrom1100℃to1140℃.X-raydiffractionpatternsdemonstratedthatpureperovskitephasewasobtained.Secondaryelectronimage(SEI)showedthatcrystallinegrainsinceramicswerewellgrown.d33ofmanufacturedsamplewasashighas560×10-12C/N.kpwasabout0.61andtgδabout30×10-3.TheexistenceofliquidphaseexaminedbyelectrondiffractioninPZN-PZTsampleisbeneficialtosinteringoftheceramic.

简介：AseriesofCd1-xZnxS/K2La2Ti3O10compositesweresynthesizedviaasimpleco-precipitationmethod.ThepreparedsampleswerecharacterizedbyX-raydiffraction（XRD）,scanningelectronmicroscopy（SEM）,X-rayenergydispersivespectroscopy（EDX）,ultraviolet-visiblediffusereflection（UV-Vis）,X-rayphotoelectronspectroscopy（XPS）andphotoluminescence（PL）measurements.ThecompositestructuresconsistedofCd1-xZnxSnanoparticlesevenlydistributedonthesurfaceofK2La2Ti3O10.TheabsorptionedgeofK2La2Ti3O10shiftedtothevisiblelightregionuponintroductionoftheCd1-xZnxSnanoparticles.Thephotocatalyticactivitiesofthecatalystswereevaluatedbyhydrogenproductionundervisiblelightirradiation.ThepreparedCd0.8Zn0.2S（30wt%）/K2La2Ti3O10exhibitedhigherphotocatalyticactivity,evolving6.92mmol/gH2undervisiblelightirradiationfor3h.ThepromotedphotocatalyticactivityofthecompositeswasattributedtothesynergisticeffectbetweenCd1-xZnxSandK2La2Ti3O10,whichresultedinenhancedseparationofphotogeneratedelectronsandholes.

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简介：AnewcompoundK6Ti0.67Nb15.33O42waspreparedforthefirsttimebysolidstatereactioninK2O-Ni2O3-Nb2O5ternarysystem.Thenewcompoundwascharacterizedbyelectronprobe,X-raypowderdiffractionandDTA.TheresultofX-raypowderdiffractionshowsthatK6Ti0.67Nb15.33O42crystallizesthehexagonalsystemwithunitcellparametersa=9.1341(5)A,c=12.090(1)A.andspacegroupP62/mcm(193).

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简介：ThetransportpropertiesintheLa2/3(Ca1-xSrx)1/3MnO3(x=0,1/3,2/3)filmspreparedusingtheRFmagnetronsputteringmethodwereinvestigated.TheeffectoftheCa,Srdouble-dopingattheApositionintheLa2/3A1/3MnO3onthestructureofthetargetsandtransportofthefilmshasbeenstudied.Withtheincreaseofx,thestructuresofthetargetstransformfromtherhombohedralphasetothecubicphase;themetal-insulatorphasetransitiontemperature(Tp)ofthefilmsincreases;andthecorrespondingpeakresistivitydecreases.Allthephenomenacanbequalitativelyexplainedbythelatticeeffect.

简介：据报道，京东方科技集团（BOE）将加速开拓日本市场。该公司董事长王东升曾表示，最快将于2013年向日本提供分辨率高达高清（HD）面板4倍的“4K”高精细面板。京东方已于2011年11月设立了日本法人。京东方将以高精细面板为契机，加快开拓以大电子厂商为主要对象的日本市场。

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简介：CH3SiCl3(山)-H2-Ar系统被使用了原文如此与化学蒸汽免职(CVD)准备电影在这份报纸的方法。为三个方面原文如此拍摄，对生长率，表面粗糙，厚度和相对密度的一些重要影响由山一致性带了主要与运动始於西班牙的纸牌赌博carlo(KMC)被讨论了方法。模拟结果证明与不同免职温度为到山(H2/MTS)的H2的摩尔比率有某个规模。当山一致性增加时，生长率和三个方面的表面粗糙都增加关系，它表明近似线性。当增加三方面厚度的趋势显然是不同的时，三个方面的厚度也增加。尽管三个方面的相对密度都增加，增加的趋势与山一致性增加显示出小差别。

简介：ThethermodynamicphasestabilityareadiagramsofBCl3-NH3-SiCl4-H2-ArsystemwereplottedviaFactsagesoftwaretopredictthekineticexperimentalresults.Theeffectsofparameters（ie,partialpressureofreactants,depositiontemperatureandtotalpressure）onthedistributionregionsofsolidphaseproductswereanalyzedbasedonthediagrams.Theresultsshowthat：（a）Solidphaseproductsaremainlyaffectedbydepositiontemperature.TheareaofBN＋Si3N4phaseincreaseswiththetemperaturerisingfrom650to900℃,anddecreaseswiththetemperaturerisingfrom900to1200℃;（b）Whentemperatureandtotalpressureareconstants,BN＋Si3N4phaseexistsatahighpartialpressureofNH3;（c）Theeffectoftotalsystempressureiscorrelatedtodepositiontemperature.Thetemperaturerangingfrom700to900℃underlowtotalpressureistheoptimumconditionforthedeposition.（d）Appropriatekineticparameterscanbedeterminedbasedontheresultsofthermodynamiccalculation.Si–B–Ncoatingisobtainedvialowpressurechemicalvapordeposition.TheanalysisbyX-rayphotoelectronspectroscopyindicatesthatB–NandSi–Narethemainchemicalbondsofthecoating.

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简介：Layeredcathodematerialsofhigh-temperaturelithiumbatteries,LiNi1/3Mn1/3Co1/3O2aresynthesizedbyasol-gelmethodwithvariationinfinalsinteringtemperatureforboreholeapplications.Thestructure,morphologyandhigh-temperaturedischargeperformanceoftheseresultingproductsareinvestigatedbyX-RayDiffraction（XRD）,scanningelectronmicroscopy（SEM）,laserparticlesizeanalysis,galvanostaticandpulsedischarge.Theresultsofstructuralanalysisindicatethatthesamplesinteredat800℃hasthecharacteristicsofgoodcrystallinity,narrowsizedistributionandlargespecificsurfaceareaatthesametime.Thedischargeexperimentsalsoindicatethatthissamplehasthebestelectrochemicalproperties,withthemaximumdischargecapacitiesof314.57and434.14mAh·g-1at200and300℃respectivelyandtheminimumcellinternalresistancesatbothtemperatures.

简介：利用药芯焊丝对已磨损的K360耐磨钢进行CO2气体保护堆焊修复，并采用不同硬度的23MnNiMoCr54强钢与堆焊层配副进行对磨试验。结果表明，当对磨材料硬度大于堆焊层硬度大约HRC3时，两种材料配对形成的摩擦副摩擦系数较小，磨损量较小，磨损面较平整。堆焊层的

简介：TheRamanspectraof3%(molefraction)Y2O3-ZrO2(3Y)areobtainedatdifferenttemperaturefrom77Kto853K.Theresultsshowthat260cm-1Egand460cm-1Egmodesonthespectrashifttowardlowerwavenumberwiththeincreaseoftemperature;meanwhile,thecontinuityoftheHalfWidthatHalfMaximum(HWHM)andwavenumber(frequency)ofRamanbandsarebrokenandt-phaseonlypartiallytransformstom-phaseat523K.Basedontheexperimentalresults,thispaperdiscussesthet-phaselatticevibrationof3YandpresentstheimagesofvibrationdisplacementofsixRaman-activemodesfort-phaseofZrO2.TheanalysisindicatesthattherearediversitiesexistinginthedisplacementoftheatomicvibrationofRaman-activemodesbecauseoftheirdifferentsymmetriesatvarioustemperature,whichleadstothedifferentchangetendenciesofRamanbands.Furthermore,theabruptchangesofsomeRaman-activemodesindicatingtheatomicdisplacementareassumedtobethecondensationsofphononmodesinthet→mphasetransition.

简介：(1-x)La_(0.67)Ca_(0.33)MnO_3/Cr_2O_3(LCMO)+xCr_2O_3composites被一个新液相方法综合。XRD和SEM大小表明在LCMO结构和LCMO的晶格常数可溶的很少Cr_2O_3几乎没变化，当大多数Cr_2O_3在谷物边界或在LCMO谷物的表面上是分布式的时。Inresistivity对温度大小，金属--绝缘体转变被观察什么时候x<0.20。抵抗力增加和金属--绝缘体转变温度与Cr_2O_3的增加的内容减少。一个随机的电阻器网络(KRN)模型被使用，到模仿混合样品的运输性质。模拟结果同意试验性的观察。结果证明方法为理解maganite的composites的电子运输是合理的。

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