一種二元離子型磁性液體的制備及磁化、磁光性質(zhì)的研究.pdf

1、西南大學碩士學位論文一種二元離子型磁性液體的制備及磁化、磁光性質(zhì)的研究姓名：傅俊申請學位級別：碩士專業(yè)：凝聚態(tài)物理指導教師：李建201205AbstractStudyofpreparation，magnetizationandmagneto—opticalpropertiesofthebinaryionicferronuids10nlCIerrollUlcISAuthor：FUJUNAdvisor：LIJIANM萄or：Condense

2、PhysicsDirection：NanoMaterialAbstract丫Fe203nanop礬icleswerepreparedbychemicalcoprecipitation劬IIlsitioninducedchemicallymethod觚dznFe204nanop砷iclesw嬲preparedbychemicalcoprecipitationPFe203n觚opaniclesandZ11Fe204naIlopanicles

3、werecharacterizedbyUsingeneq搿disperseX—mySpec仃oscopy(EDx)，x—rayphotoelec仃onspec打0scopy()(PS)，t啪smissionelec仃onmicroscopy(TEM)，X—raydi衢action(XI①)，Vibratings鋤plemagnetometer(VSM)，thenthechemicalcompositioIl，廿1emo印hology，c

4、叮stalstrIlcture，magnetiza士ionpropertiesofthen勰oparticlesc鋤get丫Fe203pWefe仃onuids’znFe204purefe腫fluidsweresyn恤izedbyM嬲SanorSelffomationmethod，鋤d丫Fe20，ZnFe204bina巧ferrofluidswe陀syntllsizedbyequalVolumeofmixedmethod，曲Jdyingt

5、heirmagnetizationpropenies鋤dma印eto巾pticaleffect111ema印etizationcurvesoftlle丫Fe203n觚opaniclesaIldZnFe204n鋤opaJticleswereme雒u陀dbyVSM，、Vhichshowthat丫Fe203nallopaniclesaresupe叩araIlla印etic觚dznFe204n鋤oparticlesare印parentparam

6、agnetismThemagnetizationpropeniesarediffIerenceinthe鉚okindSofnanoparticleSnema印etizationofco玎esponding驢thesisfe玎ofluidsofn鋤op枷clesissimilarwitlitsn鋤oparticlesForVolume丹actionof丫Fe203_ZnFe204bina巧ferrofluidsislessnlall1％，

7、whenmeVol啪efactionofthe丫Fe203nanopaniclesiscertai瑪char喀ingtheVolumef‰tionZnFe204nanopanicles，initialsuSceptibil時isnotamonotono璐withincre嬲ingVol啪e納ctionofZ11Fe204nanopanicleinlowfieldmagneticWhentheex_temalmagneticfieldis

8、1afgeenough，themagnet婦ionpropertiesmayincreaSewithincreasingtheVol啪e療actionofZnFe204n鋤oparticlenereaS0nisthat：in丫Fe203_ZnFe204bin唧fe玎onuids，chainedpanicles丫Fe203naIlopaniclesc觚beseenaSi11the“sea，’，whichiscomposedbyu11cha