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[求助]
求助:SiGe合金(order)的晶體結構參數
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由于老師要我用Materials Studio算SiGe的能帶結構及體彈模量等數據,可是沒我結構參數,我在網上搜了幾天了也沒找到SiGe合金的晶體結構參數,希望在此能得到各位同志的幫助,先謝過了! 另外也希望有人能指點一下一些可以查這此數據的網站等。 |
木蟲 (正式寫手)
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*data for ICSD #53910 Coll Code 53910 Rec Date 2003/04/01 Chem Name Germanium Silicide (1/1) Structured Ge Si Sum Ge1 Si1 ANX N D(calc) 3.71 Title Lattice parameter and density in germanium-silicon alloys Author(s) Dismukes, J.P.;Ekstrom, L.;Paff, R.J. Reference Journal of Physical Chemistry (1964), 68, 3021-3027 Unit Cell 5.646 5.646 5.646 90. 90. 90. Vol 179.98 Z 4 Space Group F d -3 m S SG Number 227 Cryst Sys cubic Pearson cF8 Wyckoff a Red Cell F 3.992 3.992 3.992 60 60 60 44.995 Trans Red 0.500 0.500 0.000 / 0.000 0.500 0.500 / 0.500 0.000 0.500 Comments The structure has been assigned a PDF number (calculated powder diffraction data): 01-071-4733 Structure type : C(cF8) X-ray diffraction (powder) Unusual difference between calculated and measured density No R value given in the paper. At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Ge 1 +0 8 a 0 0 0 0.5 0 Si 1 +0 8 a 0 0 0 0.5 0 *end for ICSD #53910 |

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