结构因子的计算2 ·面心点阵(A1 structure) 一H,K,L,奇偶混合× -H,K,L,全奇/全偶V H2+K2+L2之比： 3:4:8:11:12:16:19:20.. 上P=Fw5w=[∑j,os2πx,+,+,] +[∑”j,sim2ax,+y+,) 16
结构因子的计算2 • 面心点阵(A1 structure) – H, K, L, 奇偶混合 – H, K, L, 全奇/全偶 2 1 2 1 2 * sin 2 ( ) cos 2 ( ) n j j j j j n j hkl hkl hkl j j j j f hx k y lz F F F f hx k y lz 16 H2+K2+L2之比： 3: 4: 8: 11: 12: 16: 19: 20…
fcc-Ni (Fm3m) 2he3-33.61■d-2679nt-499569 57467 -Ni E 28734 200 220 (3111 0 0 0 10 20 17
fcc-Ni (Fm3m) (111) (200) (220) (311) 2 17
L12-NiAl(Pm3m) 17471 2heta=4001d.2251nt=71832 -N3 (111 Ni 8735 200j (100 (110 220 (3111 210 211 20 18
L12 -Ni3Al (Pm3m) 2 (111) (200) (220) (311) (100) (110) (210) (211) 18
E Ni vs NigAl 36896 2ha-4063d-229■rm-51404 M3l75.0成 -Ni250% (200 19448 220) 311 45 5 20 19
Ni vs Ni3Al 2 (111) (200) (220) (311) 19