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Owing to the novel structure and rich electromagnetic properties, graphene shows very great promise in developing future nano-electronic devices and has thus attracted ever-increasing attention. Its isomorph-single layer, hexagonal boron-nitride (h-BN), in which carbon atoms in graphene are replaced with alternating boron and nitrogen atoms in the sp2 lattice structure, has led to a new research boom in condensed matter physics and material science. Although an h-BN layer has a similar structure to graphene, it possesses a number of properties different from its carbon counterpart. In this work, the first-principles method based on density functional theory is used to study the structural stability, magneto-electronic properties and mechano-magnetic coupling effects for an armchair BN nanoribbon doped with different transition metals (ABNNR-TM). The calculated binding energy and molecular dynamic stimulation suggest that these structures are stable. Meanwhile, the calculated results show that ABNNR-TM holds diverse magneto-electronic properties upon different TM doping. For example, they may be nonmagnetic metals, nonmagnetic semiconductors, magnetic metals, magnetic semiconductors, or bipolar magnetic semiconductors. In particular, the bipolar magnetic semiconductor is an important semiconducting material, which has promising applications in the fields of the giant magnetoresistance and the spin rectifying devices. Besides, the investigations on mechano-magnetic coupling effects indicate that magneto-electronic properties of ABNNR-TM are very sensitive to the stress, which can realize the phase transformation between the nonmagnetic metal, nonmagnetic semiconductor, magnetic metal, magnetic semiconductor, bipolar magnetic semiconductors, and half metal. Particularly, the obtained wide-gap half metal is of significance for developing novel spintronic devices. In short, this work demonstrates that it is possible to tune magneto-electronic properties of ABNNR-TM by mechanic method.
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Keywords:
- BN nanoribbon /
- transition metal /
- magneto-electronic properties /
- mechano-magnetic coupling effect
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[1] Weiss N O, Zhou H L, Liao L, Liu Y, Jiang S, Huang Y, Duan X F 2012 Adv. Mater. 24 5782
[2] Katsnelson M I, Novoselov K S, Geim A K 2006 Nat. Phys. 2 620
[3] Katsnelson M I, Novoselov K S 2007 Solid State Commun. 14 3
[4] Zhang Y B, Tan Y W, Stormer H L, Kim P 2005 Nature 438 201
[5] Morozov S V, Novoselov K S, Katsnelson M I, Schedin F, Elias D C, Jaszczak J A, Geim A K 2008 Phys. Rev. Lett. 100 016602
[6] Lee C, Wei X D, Kysar J W, Hone J 2008 Science 321 385
[7] Hu J N, Ruan X L, Chen Y P 2009 Nano Lett. 9 2730
[8] Evans W J, Hu L, Keblinski P 2010 Appl. Phys. Lett. 96 203112
[9] Liu H X, Zhang H M, Song J X, Zhang Z Y 2010 J. Semicond. 31 013001
[10] Barone V, Peralta J E 2008 Nano Lett. 8 2210
[11] He J, Chen K Q, Fan Z Q, Tang L M, Hu W P 2010 Appl. Phys. Lett. 97 193305
[12] Giovannetti G, Khomyakov P A, Brocks G, Kelly P J, Brink J V D 2007 Phys. Rev. B 76 073103
[13] Topsakal M, Aktrk E, Ciraci S 2009 Phys. Rev. B 79 115442
[14] Zhou J, Wang Q, Sun Q, Jena P 2010 Phys. Rev. B 81 085442
[15] Zeng H B, Zhi C Y, Zhang Z H, Wei X L, Wang X B, Guo W L, Bando Y S, Golberg D 2010 Nano Lett. 10 5049
[16] Erickson K J, Gibb A L, Sinitskii A, Rousseas M, Alem N, Tour J M, Zettl A K 2011 Nano Lett. 11 3221
[17] Li Y, Cohen M L, Louie S G 2008 Phys. Rev. Lett. 101 186401
[18] An L P, Liu N H 2011 J. Semicond. 32 092002
[19] Chen T, Li X F, Wang L L, Luo K W, Xu L 2014 J. Appl. Phys. 116 013702
[20] Park C H, Louie S G 2008 Nano Lett. 8 2200
[21] Xu L, Wang L L, Huang W Q, Li X F, Xiao W Z 2014 Physica E 63 259
[22] Ma D W, Ju W W, Chu X L, Lu Z S, Fu Z M 2013 Phys. Lett. A 377 1016
[23] Han Y, Li R, Zhou J, Dong J M, Kawazoe Y 2014 Nanotechnology 25 115702
[24] Zhu S Z, Li T 2016 Phys. Rev. B 93 115401
[25] Qi J S, Qian X F, Qi L, Feng J, Shi D N, Li J 2012 Nano Lett. 12 1224
[26] Lai L, Lu J, Wang L, Luo G F, Zhou J, Qin R, Gao Z X, Mei W N 2009 J. Phys. Chem. C 113 2273
[27] Wang Y L, Ding Y, Ni J 2011 Appl. Phys. Lett. 99 053123
[28] Luo K W, Wang L L, Li Q, Chen T, Xu L 2015 J. Semicond. 36 082003
[29] Luo N N, Si C, Duan W H 2017 Phys. Rev. B 95 205432
[30] Si C, Zhou J, Sun Z M 2015 ACS Appl. Mater. Interfaces 7 17510
[31] Brandbyge M, Mozos J L, Ordejon P, Taylor J, Stokbro K 2002 Phys. Rev. B 65 165401
[32] Zhou Y H, Zeng J, Chen K Q 2014 Carbon 76 175
[33] Li J, Zhang Z H, Wang D, Zhu Z, Fan Z Q, Tang G P, Deng X Q 2014 Carbon 69 142
[34] Zhang Z H, Guo C, Kwong D J, Li J, Deng X Q, Fan Z Q 2013 Adv. Funct. Mater. 23 2765
[35] Zhang Z, Zhang J, Kwong G, Li J, Fan Z, Deng X, Tang G 2013 Sci. Rep. 3 32575
[36] Zhang J J, Zhang Z H, Tang G P, Deng X Q, Fan Z Q 2014 Org. Electron 15 1338
[37] Zeng J, Chen K Q 2015 J. Mater. Chem. C 3 5697
[38] Li X, Wu X, Yang J 2014 J. Am. Chem. Soc. 136 5664
[39] Wang D, Zhang Z, Zhu Z, Liang B Gong C, Li L, Li Z, et al. 2017 Nature Doi:101038/na-ture 22060
[40] Wang D, Zhang Z, Zhang J, Deng X, Fan Z, Tang G 2015 Carbon 94 996
[41] Wolf S A, Awschalom D D, Buhrman R A, Daughton J M, von Molnar S, Roukes M L, Chtchelkanova A Y, Treger D M 2001 Science 294 1488
[42] Zhang Z, Liu X, Yu J, et al. 2016 WIREs Comput. Mole. Sci. 6 324
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