氧化銀薄膜的制備和相關(guān)性質(zhì)研究.pdf

1、鄭州大學(xué)碩士學(xué)位論文氧化銀薄膜的制備和相關(guān)性質(zhì)研究姓名：張增院申請學(xué)位級別：碩士專業(yè)：凝聚態(tài)物理指導(dǎo)教師：郜小勇201105AbstractAbstractInrencentyears，silveroxide(AgxO)filmshavereceivedmoreandmoreattentionduetotheirpotentialapplicationinopticalandmagneto—opticstoragebyusingthei

2、rthemaldecompositioneffectNowadays，thehighthresholdoftheirthermaldecompositionthemperatures(TTDT)hasbeenabottleneckfortheindustrializationinthefutureHencetheresearchisfocusedontheTTDTloweringbythepreparationofsinglephase

3、dA920filmInthisthesis，theAgxOfilmsweredepositedbydirectcurrentmagnetronsputteringusingdifferentreactivepressures(RP)andsputteringpowers(SP)onthepurposeofobtainingtheoptimalconditionofsingle—phasedA920filmMoreoverthefilms

4、thermaldecompositionandTrDTvaluewasstudiedbyusingtraditionalchamberthermaltreatmentundervacuumcondtionTheeffectsofthedepositionparameterandthermaltreatmenttemperatureWasintensivelystudiedonthestructure，surfacemorphologya

5、ndopticalpropertiesoftheAgxOandsingle—phasedAgaOfilmsbyusingscanningelectronmicroscopyX—raydiffractometryandspectrophotometryThemainresultsarelistedasfollows：(1)ThephasestructureoftheAgxOfilmsapparentlyevolvesfrombiphase

6、d(AgOA920)tosingle—phased(A920)，andtobiphased(A920AgO)structurewithincreasingtheRPandSPvalues，respectivelyParticularlythesingle—phasedA920filmweredepositedatRP=25PaandSP=105w，respectivelywhicheffectivelyloweredthe丁rDTofA

7、gxOfilmThecreativeresultprentsadirectiontodealwiththeapplictionprobleminopticalandmagnetoopticaldisksThechangeoftheopticalpropertieswithincreasingtheRPandSPvaluesmaybeattributedtothefilm’Sstructuralevolutionandtotheincre

8、asingfilmthickness(2)TheopticalbandgapoftheA＆ofilmsdecreasesfrom31百Vto273eVwithincreasingthesPindicatingthattheAgxOfilmisadirectbandgapsemiconductorTheopticalbandgapofthesinglephasedA920filmsdepositedatSP=105Wisabout286“

9、(3)TIleevolutionoftheA920film’Ssurfacemorphologyfromdensetoloosesurfaceoccurredafterthethermaltreatmentundervacuumcondition，whichiSattributedtothethermaldecompositionreactionofA920andthediffusionandescapefromfilmsurfaceo