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OALib Journal期刊
ISSN: 2333-9721
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水热法合成单磁畴m型bafe12o19超细粉体及其磁性能表征
DOI: 10.3969/j.issn.1671-7627.2009.06.011, PP. 50-53
Keywords: m型铁酸钡铁氧体,水热法,复介电常数,复磁导率
Abstract:
采用水热法分别在不同条件下制备单磁畴m型bafe12o19磁性颗粒.用x射线衍射仪、透射电镜、振动试样磁强计和网络分析仪对产物的组成、微观形貌和电磁性能进行了表征分析.结果表明，230℃水热反应在n(fe)/n(ba)和n(oh-)/n(no-3)分别为8和3时得到平均晶粒为52nm的单磁畴bafe12o19磁性颗粒；产物具有61×10-3t饱和磁化强度和875×104a/m矫顽力；试样在3～15ghz宽频范围内具有至少-5db的反射率，因此水热合成的bafe12o19铁氧体具有宽频微波吸收能力.
| [1] | vanzuraej,bakerjarvisjr,grosvenorjh,themeasurementofelectromagneticwaveabsorptioncharacteristics[j].ieeetransmicrowavetheorytech,1994,42(5):2063-2070.
|
| [2] | wanglx,zhangqt.effectoffe3+/ba2+moleratioonthephaseformationandmicrowavepropertiesofbafe12o19preparedbycitrateedtacomplexingmethod[j].journalofalloysandcompounds,2009,469(1):251259.
|
| [3] | 都有为，陆怀先，蒋亚净，等．水热合成bafe12o19铁氧体的相变过程[j]．物理学报，1984，33（4）：579-582.
|
| [4] | duyouwei,luhuaixian,jiangyajing,etal.thephasetransitionformingbafe12o19byhydrothermalsyntheticmethod[j].actaphysicasinica,1984,33(4):579-582.
|
| [5] | radwanm,rashadmm，hessienmm.synthesisandcharacterizationofbariumhexaferritenanoparticles[j].journalofmaterialsprocessingtechnology,2007,181(1/2/3):106-109.
|
| [6] | duonggv,turtellirs,thuanbd,etal.magneticpropertiesofnanocrystallinebafe12o19preparedbyhydrothermalmethod[j].journalofnoncrystallinesolids,2007,353(8/9/10):811-813.
|
| [7] | 何华辉，熊波，聂彦．含fss的双层吸波材料吸波性能的mathcad计算模拟[j]．磁性材料及器件，2006，37(1):13-15．
|
| [8] | hehuahui,xiongbo,nieyan.mathcadsimulationofabsorbingcapabilityofdoublelayerabsorbingmaterialwithembeddedfrequencyselectivesurface[j].journalofmagneticmaterialsanddevices,2006,37(1):13-15.
|
| [9] | bregarvb.advantagesofferromagneticnanoparticlecompositesinmicrowaveabsorbers[j].ieeetransactionsonmagnetics,2004,40(3):1679-1684.
|
| [10] | snoekjl.dispersionandabsorptioninmagneticferritesatfrequenciesaboveonemc/s[j].physica,1948,14(4):207-217.
|
| [11] | ansy,shimib,kimcs.mssbauerandmagneticpropertiesofcotisubstitutedbariumhexaferritenanoparticles[j].journalofappliedphysics,2002,91(10):8465-8467.
|
| [12] | liuxx,baijm,weifl,etal.bariumferritethinfilmspreparedbyalternatedeposition[j].journalofmagnetismandmagneticmaterials,2000,212(1/2):273-276.
|
| [13] | 林其壬．铁氧体工艺原理[m]．上海：上海科学技术出版社，1987：23-50．
|
| [14] | ghasemia,hossienpoura,morisakoa,etal.electromagneticpropertiesandmicrowaveabsorbingcharacteristicsofdopedbariumhexaferrite[j].journalofmagnetismandmagneticmaterials,2006,302(2):429-435.
|
| [15] | drofenikm,kristlm,znidarsica,etal.hydrothermalsynthesisofbahexaferritenanoparticles[j].theamericanceramicsociety,2007,90(7):2057-2061.
|
| [16] | xilf,lamym,xuyp,etal.synthesisandcharacterizationofonedimensionalcdsebyanovelreversemicelleassistedhydrothermalmethod[j].journalofcolloidandinterfacescience,2008,320(2):491-500.
|
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