4.

No. q s approx s*2 s*3 s1. 38.432 19.216 0.329 0.108 1.000 2.00 3.000 2 2. 55.543 27.772 0.466 0.217 2.004 4.01 6.013 4 3. 69.607 34.804 0.571 0.326 3.007 6.01 9.022 6 4. 82.447 41.224 0.659 0.434 4.009 8.02 12.027 8 5. 94.927 47.464 0.737 0.543 5.012 10.02 15.036 10 6. 107.620 53.810 0.807 0.651 6.013 12.03 18.039 12 7. 121.300 60.650 0.872 0.760 7.014 14.03 21.041 14 8. 137.460 68.730 0.932 0.868 8.017 16.03 24.050 16 9. 162.560 81.280 0.988 0.977 9.019 18.04 27.057 18

Pertanyaan:a. Indeks Miller masing-masing puncak difraksi = 110, 200, 211, 220, 310, 222, 321, 400, 330/441b. Nilai parameter kisi (a) = 3,306c. Sistem kristalnya termasuk sistem Body Centered Cubic (BCC)

Cu(Ka1) = 1,5401 Å

2q sinq sin2q

hkl a^2 a110 10.948 3.309 200 10.925 3.305 211 10.921 3.305 220 10.923 3.305 310 10.922 3.305 222 10.925 3.305 321 10.927 3.306 400 10.925 3.305

330/411 10.925 3.305 Sum 29.750 Average 3.306

a. Indeks Miller masing-masing puncak difraksi = 110, 200, 211, 220, 310, 222, 321, 400, 330/441b. Nilai parameter kisi (a) = 3,306c. Sistem kristalnya termasuk sistem Body Centered Cubic (BCC)