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[交流]
【求助】鐵磁性反鐵磁性以及非磁性的設(shè)置計算 石墨烯納米帶
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最近試算了一下石墨烯Zigzag型納米帶的性質(zhì),在文獻中看到它為反鐵磁性的,旋轉(zhuǎn)密度局域在帶的兩邊,但是選擇旋轉(zhuǎn)極化計算,并未得到一樣的結(jié)果,不知道該如何設(shè)置。 還有看到文獻中分別算了其非磁性,鐵磁性,以及反鐵磁性的能量,并進行了比較,望哪位高手幫助一下,告訴具體該如何設(shè)置,有幫助的話,另外獎勵。 用MS中的Castep和Dmol都行。 |
» 搶金幣啦!回帖就可以得到:
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You can set the initial spin for each edge atom in Materias Studio following these steps. 1. Select the edge carbon atoms of one edge, 2. Modify--electronic configuration --spin, you can set the initial spin of these carbon atoms as '+1'. 3. Similarly, you can set the carbon atoms of the other edge as '-1' . Then the AFM coupling is done. According to my own experience, CASTEP is much better than DMol in dealing with GNRs. |
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but when i set MAGMON for both AFM and FM,after calculation i found that they have the same magnetic moment. plz have a look at my topic http://www.gaoyang168.com/bbs/viewthread.php?tid=4460273 |
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