材料结构分析作业~

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1、样品:Al的粉末试样;点阵参数:a=4.0491;用铜靶X射线管：CUKaX=l.5418A晶面间距:cIhkl=aVh2+/c2+l2衍射角：由布拉格公式2dsin〃=/l得：sin0=—2d原子散射因子的计算：P222查表结构因子的计算：面心立方：F=4f多重因子的计算：P77查表角因子的计算:1+cos220asirr0cos0°衍射线相对强度：/相=F2pl+：：s2]siirOcosO由以下程序可得如下表格序号HKLdsin0（）Sin0/XfFI〉角因子I相11112.33770.329419.23330.21398.783435.1337815.741.5547e

2、+0522002.02460.380422.35700.24708.386433.5455611.257.5939e+0432201.43160.537932.54300.34937.183428.7338124.834.7823e+0443111.22080.630839.10780.40966.494925.9798243.375.4655e+0452221.16890.658841.21070.42786.294625.178583.121.5802e+0464001.01230.760849.53050.49395.566722.266862.738.1161e+037

3、3310.92890.829055.99720.53835.117420.4698242.972.9835e+0484200.90540.850558.27110.55224.977619.9105243.153.0001e+04»lameda=l.54018;HKL1=[111);HKL2=[200);HKL3=[220];HKL4=[311];HKL5=[222];HKL6=[400];HKL7=[331];HKL8=[420];a=4.0491;%[111]d=a./sqrt(sum(HKLl.A2))d=2.3377»sin_lameda=l/(2*d)sin_lame

4、da=0.2139»sin=lameda/(2*d)sin二03294»sita=asind(sin)sita=19.2333»x=[0.20.3];y=[8.957.75];xi=sin_lameda;f二interpl(x,y,xi)»F=4*f35.1337»P二&%面心立方，HHH»jiaoyinzi=(l+cosd(2*sita)A2)/(sind(sita)A2*cosd(sita))jiaoyinzi=15.7435»lxiang=FA2*P*jiaoyinziIxiang=1.5547e+05%[200]

5、ft

6、d=a./sqrt(sum(HKL2.A2))d=

7、2.0246»sin_lameda=V(2*d)sinJameda=0.2470»sin二lameda/(2*d)sin二0.3804»sita=asind(sin)sita=»x=[0.20.3];y=[8.957.75];xi=sin_lameda;f二interpl(x“xi)f=8.3864»F=4*fF=33.5455»P=6;»jiaoyinzi=(l+cosd(2*sita)A2)/(sind(sita)A2*cosd(sita))jiaoyinzi二11.2472»lxiang=FA2*P*jiaoyinziIxiang=7.5939e+04%[220];d=a

8、./sqrt(sum(HKL3.A2))1.4316»sin」ameda=V(2*d)sin_lameda=0.3493»sin=lameda/(2*d)sin=0.5379»sita=asind(sin)sita=32.5430»x=[0.30.4];y=[7.756.6];xi=sin_lameda;f=interpl(x,y,xi)7.1834»F=4*f28.7338»P=12;»jiaoyinzi=(l+cosd(2*sita)A2)/(sind(sita)A2*cosd(sita))jiaoyinzi=4.8269»lxiang=FA2*P*jiaoyinziIxi

9、ang=4.7823e+04%[311]d=a./sqrt(sum(HKL4.A2))»sin_lameda=l/(2*d)sin」ameda=0.4096»sin=lameda/(2*d)sin二0.6308»sita=asind(sin)sita=39.1078»x=[0.40.5];y二[6.65.5];xi=sin_lameda;f=interpl(x,y,xi)6.4949»F=4*fF=25.9798»P=24;»jiaoyinzi=(l+cosd(2*sita)A2)/(sin