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5d过渡金属原子掺杂氮化硼纳米管的第一性原理计算

张召富 耿朝晖 王鹏 胡耀乔 郑宇斐 周铁戈

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5d过渡金属原子掺杂氮化硼纳米管的第一性原理计算

张召富, 耿朝晖, 王鹏, 胡耀乔, 郑宇斐, 周铁戈

Properties of 5d atoms doped boron nitride nanotubes:a first-principles calculation and molecular orbital analysis

Zhang Zhao-Fu, Geng Zhao-Hui, Wang Peng, Hu Yao-Qiao, Zheng Yu-Fei, Zhou Tie-Ge
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  • 采用基于密度泛函理论的第一性原理计算方法,研究了当氮化硼纳米管(BNNT)中的B原子和N原子被5d过渡金属原子(Lu,Hf,Ta,W,Re,Os,Ir,Pt,Au,Hg)取代时BNNT的几何结构、电子结构和磁性性质. 作为对比,给出了理想BNNT,B缺陷体系(VB)和N缺陷体系(VN)的相应结果. 研究发现:5d原子取代B(B5d)时体系的局域对称性接近于C3v,但是取代N(N5d)时体系的局域对称性偏离C3v对称性较大;利用相同的5d原子进行掺杂时,B5d的成键能比N5d的成键能大;对于B5d或者N5d,其成键能基本上随着5d原子的原子序数的增大而降低;掺杂体系中出现了明显的杂质能级,给出了态密度等结果;不同掺杂情况的磁矩不同,取代B 时体系的总磁矩呈现出较强的规律性. 利用对称性和分子轨道理论解释了5d原子取代B时杂质能级的产生和磁性的变化规律.
    The geometry, electronic structure and magnetic property of boron nitride nanotube (BNNT), whose boron/nitride atoms are substituted by 5d atoms (B5d or N5d), are investigated by first-principles calculations based on density functional theory. The pure-BNNT and BNNT with boron vacancy (VB) or nitrogen vacancy (VN) are also investigated for comparison. Results show that the local symmetry of B5d system is similar to C3v, however the N5d system exhibits a large geometric deviation from C3v. The total magnetic moments of doped systems are different from each other, and B5d system present a strong regularity. The total density of states is presented, where impurity energy levels exist. The impurity energy levels and total magnetic moment can be explained by the molecular orbital theory under C3v symmetry.
    • 基金项目: 天津市自然科学基金(批准号:13JCQNJC00500)、天津市科技支撑计划(批准号:11ZCKFGX01300)和中央高等学校基本科研基金(批准号:65012031)资助的课题.
    • Funds: Project supported by the Natural Science Foundation of Tianjin, China (Grant No. 13JCQNJC00500), the Key Program of Science and Technology of Tianjin, China (Grant No. 11ZCKFGX01300), and the Fundamental Scientific Research Foundation for the Central Universities of China (Grant No. 65012031).
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    Li M, Zhang J Y, Zhang Y, Wang T M 2012 Chin. Phys. B 21 087301

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    Yildirim A, Koc H, Deligoz E 2012 Chin. Phys. B 21 037101

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    Perdew J P, Burke K, Ernzerhof M 1996 Phys. Rev. Lett. 77 3865

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    Baei M T, Kaveh F, Torabi P, Sayyad-Alangi S Z 2011 Eur. J. Chem. 8 609

  • [1]

    Blase X, Rubio A, Louie S G, Cohen M L 1994 Europhys. Lett. 28 335

    [2]

    He K H, Zheng G, L T, Chen G, Ji G F 2006 Acta Phys. Sin. 55 2908 (in Chinese) [何开华, 郑广, 吕涛, 陈刚, 姬广富 2006 物理学报 55 2908]

    [3]

    Jin C, Lin F, Suenaga K, Iijima S 2009 Phys. Rev. Lett. 102 195505

    [4]

    Zhang Z F, Zhou T G, Zuo X 2013 Acta Phys. Sin. 62 083102 (in Chinese) [张召富, 周铁戈, 左旭 2013 物理学报 62 083102]

    [5]

    Novoselov K S, Geim A K, Morozov S V, Jiang D, Zhang Y, Dubonos S V, Grigorieva I V, Firsov A A 2004 Science 306 666

    [6]

    Neto A C, Guinea F, Peres N M R, Novoselov K S, Geim A K 2009 Rev. Mod. Phys. 81 109

    [7]

    Balendhran S, Deng J K, Ou Z J, Walia S, Scott J, Tang J S, Wang K L, Field M R, Russo S, Zhuiykov S, Strano M S, Medhekar N, Sriram S, Bhaskaran M, Kalantar-zadeh K 2013 Adv. Mater. 25 109

    [8]

    Iijima S 1991 Nature 354 56

    [9]

    Zhang J D, Yang C, Chen Y T, Zhang B X, Shao W Y 2011 Acta Phys. Sin. 60 106102 (in Chinese) [张建东, 杨春, 陈元涛, 张变霞, 邵文英 2011 物理学报 60 106102]

    [10]

    Wang G C, Yuan J M 2003 Acta Phys. Sin. 52 970 (in Chinese) [王贵春, 袁建民 2003 物理学报 52 970]

    [11]

    Fert A 2008 Rev. Mod. Phys. 80 1517

    [12]

    Prinz G A 1998 Science 282 1660

    [13]

    Dong J C, Li H 2012 J. Phys. Chem. C 116 17259

    [14]

    Dong J, Li H, Li L 2013 NPG Asia Mater. 5 e56

    [15]

    Zhang X, Dong J, Wang Y, Li L, Li H 2013 J. Phys. Chem. C 117 12958

    [16]

    Jiménez I, Jankowski A F, Terminello L J, Sutherland D G J, Carlisle J A, Doll G L, Tong W M, Shuh D K, Himpsel F J 1997 Phys. Rev. B 55 12025

    [17]

    Rubio A, Corkill J L, Cohen M L 1994 Phys. Rev. B 49 5081

    [18]

    Chopra N G, Luyken R J, Cherrey K, Crespi V H, Cohen M L, Louie S G, Zettl A 1995 Science 269 966

    [19]

    Li F, Zhu Z, Zhao M, Xia Y 2008 J. Phys. Chem. C 112 16231

    [20]

    Wu J, Zhang W 2009 Solid State Commun. 149 486

    [21]

    Esrafili M D, Behzadi H 2012 Struct. Chem. 24 573

    [22]

    Zhao J, Tian Y, Dai B Q 2005 J. Chin. Chem. Soc. (Taipei) 52 395

    [23]

    Wu R Q, Liu L, Peng G W, Feng Y P 2005 Appl. Phys. Lett. 86 122510

    [24]

    Shitade A, Katsura H, Kuneš J, Qi X L, Zhang S C, Nagaosa N 2009 Phys. Rev. Lett. 102 256403

    [25]

    Zhang H, Lazo C, Blgel S, Heinze S, Mokrousov Y 2012 Phys. Rev. Lett. 108 056802

    [26]

    Hu J, Alicea J, Wu R, Franz M 2012 Phys. Rev. Lett. 109 266801

    [27]

    Han R S 2010 Physics 39 753 (in Chinese) [韩汝珊 2010 物理 39 753]

    [28]

    Kohn W, Sham L J 1965 Phys. Rev. 140 A1133

    [29]

    Hohenberg P C, Kohn W 1964 Phys. Rev. 136 B864

    [30]

    Li M, Zhang J Y, Zhang Y, Wang T M 2012 Chin. Phys. B 21 087301

    [31]

    Yildirim A, Koc H, Deligoz E 2012 Chin. Phys. B 21 037101

    [32]

    Doudou B B, Chen J, Vivet A, PoîLane C 2012 J. Nanosci. Nanotechn. 12 8635

    [33]

    Junquera J, Ghosez P 2003 Nature 422 506

    [34]

    Lin Q, Chen Y H, Wu J B, Kong Z M 2011 Acta Phys. Sin. 60 097103 (in Chinese) [林琦, 陈余行, 吴建宝, 孔宗敏 2011 物理学报 60 097103]

    [35]

    Perdew J P, Burke K, Ernzerhof M 1996 Phys. Rev. Lett. 77 3865

    [36]

    Zhang J, Loh K P, Zheng J, Sullivan M B, Wu P 2007 Phys. Rev. B 75 245301

    [37]

    Baei M T, Kaveh F, Torabi P, Sayyad-Alangi S Z 2011 Eur. J. Chem. 8 609

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  • PDF下载量:  1054
  • 被引次数: 0
出版历程
  • 收稿日期:  2013-08-21
  • 修回日期:  2013-09-18
  • 刊出日期:  2013-12-05

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