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小馬哥623新蟲 (初入文壇)
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[求助]
求高手指教!關(guān)于MS摻雜具體步驟~
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小弟是新手,之前從沒接觸過MS。最近在搞畢業(yè)論文,要做AlPO4磷酸鋁的摻雜結(jié)構(gòu)分析,不知在MS中如何將雜元素加到AlPO4結(jié)構(gòu)中進(jìn)行計(jì)算?比如說摻雜Be原子!我問導(dǎo)師,她說這種問題要我自己去找資料解決。 誠心請論壇哪位好心的高手指教啊!感激不盡!我想要摻雜建模的具體步驟~ |
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你想用什么計(jì)算, MS的castep模塊計(jì)算嗎? Coll Code 9641 Rec Date 1980/01/01 Mod Date 1997/11/10 Chem Name Aluminium Phosphate - Alpha Structured Al P O4 Sum Al1 O4 P1 ANX ABX4 Min Name Berlinite D(calc) 2.62 Title X-ray study of the alpha-beta transformation of Berlinite Al P O4 Author(s) Ng, H.N.;Calvo, C. Reference Canadian Journal of Physics (1976), 54, 638-647 Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) (1966), 123, 161-185 Unit Cell 4.94292(16) 4.94292(16) 10.94761(46) 90. 90. 120. Vol 231.64 Z 3 Space Group P 31 2 1 SG Number 152 Cryst Sys trigonal/rhombohedral Pearson hP18 Wyckoff c2 b a R Value .017 Red Cell P 4.942 4.942 10.947 90 90 120 231.64 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments Lattice constants from second Ref. (Schwarzenbach D) Compound with mineral name: Berlinite The structure has been assigned a PDF number (calculated powder diffraction data): 01-071-1041 The structure has been assigned a PDF number (experimental powder diffraction data): 10-423 Temperature in Kelvin: 298 Structure type : AlPO4 X-ray diffraction from single crystal Atom # OX SITE x y z SOF H Al 1 +3 3 a 0.466(1) 0 0.3333 1. 0 P 1 +5 3 b 0.4675(8) 0 0.8333 1. 0 O 1 -2 6 c 0.422(2) 0.296(1) 0.3965(2) 1. 0 O 2 -2 6 c 0.409(1) 0.252(1) 0.8858(3) 1. 0 Lbl Type U11 U22 U33 U12 U13 U23 Al1 Al3+ 0.006(1) 0.005(1) 0.0066(9) 0.0025(5) 0.0015(5) 0.003(1) P1 P5+ 0.007(1) 0.007(1) 0.0074(8) 0.0035(5) -.0025(5) -.005(1) O1 O2- 0.022(3) 0.009(2) 0.014(1) 0.010(3) 0.004(3) 0.003(2) O2 O2- 0.018(3) 0.009(2) 0.014(1) 0.010(2) -.009(3) -.005(2) |
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Coll Code 9643 Rec Date 1980/01/01 Mod Date 2008/02/01 Chem Name Aluminium Phosphate(V) - Beta, Ht Structured Al (P O4) Sum Al1 O4 P1 ANX ABX4 Min Name Berlinite D(calc) 2.62 Title X-ray study of the alpha-beta transformation of berlinite Al P O4 Author(s) Ng, H.N.;Calvo, C. Reference Canadian Journal of Physics (1976), 54, 638-647 Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) (1966), 123, 161-185 Golden Book of Phase Transitions, Wroclaw (2002), 1, 1-123 Unit Cell 4.943 4.943 10.948 90. 90. 120. Vol 231.66 Z 3 Space Group P 64 2 2 SG Number 181 Cryst Sys hexagonal Pearson hP18 Wyckoff k d c R Value .037 Red Cell P 4.943 4.943 10.948 90 90 119.999 231.658 Trans Red 1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000 Comments Stable above 853 K (3rd ref., Tomaszewski), below P3121 Lattice constants from 2nd ref., aristotype is high-quartz AE: Al: O4; P: O4; O: Al P Compound with mineral name: Berlinite Structure type prototype : AlPO4(HT) Temperature in Kelvin: 873 Structure type : AlPO4(HT) X-ray diffraction (powder) Atom # OX SITE x y z SOF H Al 1 +3 3 d 0.5 0 0.5 1. 0 P 1 +5 3 c 0.5 0 0 1. 0 O 1 -2 12 k 0.422(1) 0.228(2) 0.5877(3) 1. 0 Lbl Type U11 U22 U33 U12 U13 U23 Al1 Al3+ 0.034(4) 0.025(4) 0.023(2) 0.0125(20) 0 0 P1 P5+ 0.032(3) 0.027(4) 0.0300(2) 0.0135(20) 0 0 O1 O2- 0.068(4) 0.066(6) 0.080(2) 0.032(5) 0.009(6) -.036(4) |
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