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ID:31934477
大小:7.58 MB
页数:66页
时间:2019-01-29
《磁性复合颗粒的合成与其特性.研究》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、磁性复合颗粒的合成及其特性研究英文摘要T士ansfornliIl胁edSpectroscopy觚dthe珊。蓼avimet舛111emo印hology龇ldp矾clesizesofmemagneticnanopaniCleswereevaluatedby也e饥msmissionelec臼onmicroscopytechlliqlle,Whilet11en加eof也eob纰lednaIlocompos“eswerestudiedusir培X-瑚lypowderdi债action锄dVibratingsaInplemagIlct0毗r.rnleresultsshowmatmeacid仃
2、ea恤entplaysacriticaLlrolefortllema州ic-ph弱ef0衄ation,tllatis,hematitewasobtainedwitlloutacid仃eatedWIlilemaghe:IIlitewiIhmm_owsizedi妯buCion、ⅣasobtailledaReraceticacidadded.ThemaXiInumsa:tllratjonmagnetizationof丫-Fe203/Si02n锄ocomposites谢也44.5诫%贼咄锄讹w2us37.78emu。g~.Ma弘eticnuidw嬲pr印aredlIsillg廿leobta
3、ined丫-Fe203/Si02nanocompositcsbyhigh-en%gyballmillil唱弛dw鹊ch∞aCterizedbyUv-vis,G0uymagIleticbal锄lceandrotatingrheometer.3.BismutllSubsti眦dyttri眦irDngamet(Bi-ⅥG)m_noparticleswerepreparedbycoprecipitation觚d飘lbseque】ntheating吮舭em.1hc衄algraV时-diflhentialtllemlal锄以ySisw弱perf0】叻edt0i11ves魄atet11e也em脚
4、beha、,io姻oftlleBi-ⅥGpre伽崂。瑙andt0decidenlebeSt觚nealir培tcmperature.Ph硒ef0锄ationofg锄etnanoparticlesaIldpaniclesizeswercinVestigatedbyX-raypowderdiffhCtion龇ldb加smissionelectron觚croscopy'reSpectiVely.Themagneticproperties、№remeaSuredusillgvibr妇gs锄plem艇毋etom酏er.Theresultssh()w衄thetemperaturesneededf
5、ort11e慨lsf0册ationofBi一ⅥG舫m锄oIphousphaset0gar】【letpb邮edecreaSes诵Ⅱ1meincre嬲iIlgBicontent.11les锄lrationmagnetizationofBi-ⅥG∞noparticlesincre舔es嬲meBicontentincreases.11lcBi.YIGNPswithsiz懿of28.78衄wercobtaincdmerhea:tingtI.ea:tmentat650-10000C.TheBi-YIGdopedPh忸讧A.compositeswerepr印arIedbyiIl—situbulk
6、polymerization心erMMAmonomer“xedw池Bi-YlGNPs.111eresultSofFaradayrotationiIIVestigationofBi·Y1G/PMMAnanocompositesShowthattheaIlgleofFaradayro诅tionincre嬲evvithtlleBicomentandnlefigureofmeritofmecomposjtesincreaSes、^,itht11edecre嬲inglaSerwaVelengm.TheBi一ⅥGNPsd叩edPMMAcompositesarenewpromisiIlgmate
7、rialsformagIleto·opticaldeVices.Keywords:Nanoconlposites;_r—Fe203/Si02;MagneticFluid;Garnet;FaradayE仃.ectIVWrittenbyFu,H‘’ngpingSuperVisedbyProf.1.h)ng,RLlo”苏州大学学位论文独创性声明及使用授权声明学位论文独创性声明本人郑重声明:所提交的学位论文是本人在导师的指导下,独立进行研究工作所取得的成果。除文中已经注明引用
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