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ID:41026061
大小:4.97 MB
页数:10页
时间:2019-08-14
《浅析X射线衍射在材料中的基本应用》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、浅析X射线衍射在材料中的基本应用Jade5.0+PDF2004Smartprinter()X1)NiZn(SiKβ)NiZnFeO,(Ni,Zn)Fe2O42θ=33°Fe2O32NiZnFe2O3Fe2O3OriginSave[D-10.txt]15.00037400350300250200150Intensity(Counts)10050024-0072>Hematite-Fe2O323-1119>Trevorite-(Ni,Fe)Fe2O42030405060702-Theta(PDF2)3Options→Cellrefineme
2、ntRefineabc=8.36279Å4Fd-3mOptions→Caldulatelattice→Refine8.3233Å51)PDFPDFZnFe2O48.36161Å(NiZn)Fe2O42)(111)67.0144Å2θ=30.371°(220)(111)2θ=79.218°8.3234Å8.3233ÅXdcotdΔθθΔd/dθ90°7a0()222HKLXa02sin)221coscos+2sin,:nnnn222(isini)i(ii)(sinii)2i1i
3、1i1i1Xnnn22224a0ii(ii)i1i1i1222,θi,ai=h+k+l,a0。:211sin2()isin,λX(0.1540562nm)Cu。,a0=0.83925(1)nm。3)3D3,3D。View→Overlaysin3D,。2030405060702-Theta([[MaxIntensityScale=1043]PCMaterialsData,Inc.-201104080037
4、Administrator]Tuesday,J
5、un84)CrystalsizeGrainsize,,Crystalsize(5-100nm),Grainsize。600℃-120minNiZn,(111)、(220)、(311)、(222)、(400)、(422)、(511)、(440),。:KDHKLcosK,β,1。β,DHKLHKL,K0.89,λX,θ,。2θ(°)β(°)DHKL18.3610.22335.68502(111)30.2360.3736.49084(220)35.6260.37337.00178(311)37.2430.07437.17403(222
6、)43.3150.30137.90367(400)53.580.29639.46378(422)57.2390.44140.13114(511)62.870.39441.2876(440),,。38.14nm。1.61nm。(Hall),。9:cos1sin4DcossinY=X=,4ε,1/D。-4,:1/D=0.0268±2.62×10(1/nm),-437.31±0.27nm。4ε=-0.00147±1.08×10。0.026cos1sin0.0254D0.024cosY=0.023
7、0.0220.0210.51.01.52.02.53.03.54.0sinX=(Grainsize)90.38nm。。,DHKLHKL,,HKL,,。XRD,,,。,,,,。,。,。。gitarmangitarman@126.com2011-6-810
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