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aaa我來(lái)嘞銀蟲(chóng) (小有名氣)
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[交流]
進(jìn)行界面的第一性原理計(jì)算時(shí),如何能準(zhǔn)確知道原子密排面?
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| 比如四方六方晶系,如何能知道原子的密排面?文獻(xiàn)上面沒(méi)有找到。 |
第一原理資料匯編 |
» 搶金幣啦!回帖就可以得到:
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木蟲(chóng) (正式寫(xiě)手)
銀蟲(chóng) (小有名氣)
金蟲(chóng) (正式寫(xiě)手)
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a.1 0 3 b.0 0 8 c.2 2 0 d.1 1 2 e.0 2 0 f. 2 0 0 密排程度順序,f-e-d-c-b-a,最密排面為(2 0 0) 肯定正確,別問(wèn)我是怎么搞來(lái)的,謝謝! 計(jì)算所選參數(shù)如下: *data for ICSD #601447 Coll Code 601447 Rec Date 2009/02/01 Chem Name Aluminum Strontium (4/1) Structured Al4 Sr Sum Al4 Sr1 ANX NO4 D(calc) 2.91 Title The Al-Sr-Nd phase diagram Author(s) Vakhobov, A.V.;Eshonov, K.K.;Dzhuraev, T.D. Reference Russian Metallurgy (1979), 1979(4), 167-172 Unit Cell 4.461 4.461 11.201 90.0 90.0 90.0 Vol 222.91 Z 2 Space Group I 4/m m m SG Number 139 Cryst Sys tetragonal Pearson tI10 Wyckoff e d a Red Cell I 4.461 4.461 6.427 110.304 110.304 89.999 111.453 Trans Red 1.000 0.000 0.000 / 0.000 -1.000 0.000 / -0.500 0.500 -0.500 Comments Atomic positions from 107887, not refined Metals structure type Al4 Ba Metals Concordant Cross Reference to Crystal Data 2T-2.4831 The structure has been assigned a PDF number (experimental powder diffraction data): 7-375 Metals Concordant Cross Reference to 7-204, 7-15 Structure type : CeAl2Ga2 X-ray diffraction from single crystal No R value given in the paper. At least one temperature factor missing in the paper. Atom # OX SITE x y z SOF H Al 1 +0 4 d 0 0.5 0.25 1. 0 Al 2 +0 4 e 0 0 0.38 1. 0 Sr 1 +0 2 a 0 0 0 1. 0 *end for ICSD #601447 [ Last edited by xiao9xie on 2013-3-9 at 11:44 ] |
銀蟲(chóng) (小有名氣)
銀蟲(chóng) (小有名氣)
銅蟲(chóng) (正式寫(xiě)手)
新蟲(chóng) (小有名氣)
送紅花一朵 |
大神你好,我也是想用邊邊匹配模型計(jì)算錯(cuò)配度,用MS作圖模擬一下,可是對(duì)晶體學(xué)的知識(shí)不是很懂,麻煩想請(qǐng)教一下以下這幾種物相,Cu51Zr14,Cu51Hf14,CuHf2以及AlCu3的密排面密排方向。萬(wàn)分感謝! 發(fā)自小木蟲(chóng)Android客戶(hù)端 |
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