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There is a controversy over the magnetic source and mechanism of the coexistence of Al-doping and Zn vacancy or Al doping and O vacancy in ZnO systems. In order to solve the problem, the combined influence mechanism of Al doping and Zn vacancy or Al doping and O vacancy on magnetism of ZnO is studied by using the first-principle calculation in this work. The coexistence of Al doping and Zn vacancy can achieve Curie temperature higher than room temperature. Moreover, the magnetism of the doping system of Al doping and Zn vacancy is mainly contributed by electron exchange interaction through O 2p and Zn 4s states near the Zn vacancy through taking carrier as medium. However, the system of Al doping and O vacancy is non-magnetic. Meantime, in the coexistence of Al doping and Zn vacancy or O vacancy, a close relative distance between doping and vacancy will reduce the formation energy of the doping system, increase the easiness of accomplishment of doping and vacancy, and enhance the stability of the doping system.
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Keywords:
- Al doping and vacancies /
- ZnO /
- magnetism /
- first-principles
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[31] Wang Q J, Wang J B, Zhong X L, Tan Q H, Hu Z, Zhou Y C 2012 Appl. Phys. Lett. 100 132407
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[1] Srikant V, Clarke D R 1998 J. Appl. Phys. 83 5447
[2] Sharma P, Gupta A, Rao K V, Owens F J, Sharma R, Ahuja R, Guillen J M O, Johansson B, Gehring G A 2003 Nat. Mater. 2 673
[3] KittilstvedK R, Liu W K, Almelin D R 2006 Nat. Mater. 5 291
[4] Liu S H, Hsu H S, Venkataiah G, Qi X, Lin C R, Lee J F, Liang K S, Huang J C A 2010 Appl. Phys. Lett. 96 262504
[5] Fukuma Y, Odawara F, Asada H, Koyanagi T 2008 Phys. Rev. B 78 104417
[6] Tian Y F, Li Y F, He M, Putra I A, Peng H Y, Yao B, Cheong S A, Wu T 2011 Appl. Phys. Lett. 98 162503
[7] YanH L, Wang J B, Zhong X L, Zhou Y C 2008 Appl. Phys. Lett. 93 142502
[8] Yan H L, Zhong X L, Wang J B, Huang G J, Ding S L, Zhou G C, Zhou Y C 2007 Appl. Phys. Lett. 90 082503
[9] Baset T A A, Fang Y W, Anis B, Duan C G, Hafiez M A 2016 Nanoscal. Res. Lett. 11 115
[10] Shatnawi M, Alsmadi A M, Bsoul I, Salameh B, Alna'washi G A, Dweri F A, Akkad F E 2016 J. Alloy. Compd. 655 244
[11] Jadhav J, Biswas S 2016 J. Alloy. Compd. 664 71
[12] Kseoğlu Y 2016 Ceram. Int. 42 9190
[13] Mickan M, Helmersson U, Rinnert H, Ghanbaja J, Mulle D, Horwat D 2016 Sol. Energ. Mat. Sol. C 157 742
[14] Kumar S, Deepika, Tripathi M, Vaibhav P, Kumar A, Kumar R, Choudhary R J, Phase D M 2016 J. Magn. Magn. Mater. 419 68
[15] Hong J, Katsumata K I, Matsushita N 2016 J. Electron. Mater. 45 4875
[16] Sreedhar A, Kwon J H, Yi J, Jin S G 2016 Ceram. Int. 42 14456
[17] Zhang J M, Gao D, Xu K W 2012 Sci. China: Phys. Mech. Astron. 55 428
[18] Khuili M, Fazouan N, Makarim H A E, Halani G E, Atmani E H 2016 J. Alloy. Compd. 688 368
[19] Zhang T, Song L X, Chen Z Z, Shi E W, Chao L X, Zhang H W 2006 Appl. Phys. Lett. 89 172502
[20] Hou Q Y, Dong H Y, Ying C, Ma W 2012 Acta Phys. Sin. 61 167102 (in Chinese) [侯清玉, 董红英, 迎春, 马文 2012 61 167102]
[21] Alo D Q, Zhang J, Yang G J, Zhang J L, Shi Z H, Qi J, Zhang Z H, Xue D S 2010 J. Phys. Chem. C 114 13477
[22] Liu Y Y, Zhou W, Wu P 2014 J. Alloy. Compd. 615 401
[23] Pan F, Song C, Liu X J, Yang Y C, Zeng F 2008 Mater. Sci. Eng. R 62 1
[24] Lee H J, Jeong S Y, Cho C R, Park C H 2002 Appl. Phys. Lett. 81 4020
[25] Kodu M, Arroval T, Avarmaa T, Jaaniso R, Kink I, Leinberg S, Savi K, Timusk M 2014 Appl. Surf. Sci. 320 756
[26] Hsu C H, Chen D H 2010 Nanotechnology 21 285603
[27] Ma X G, Wu Y, L Y H, Zhu Y F 2013 J. Phys. Chem. C 117 26029
[28] Yingsamphancharoen T, Nakarungsee P, Herng T S, Ding J, Tang I M, Thongmee S 2016 J. Magn. Magn. Mater. 419 274
[29] Zhou B, Wu Y S, Wu L L, Zou K, Gai H D 2009 Physica E 41 705
[30] Srivastava A K, Kumar J 2013 Sci. Technol. Adv. Mater. 14 065002
[31] Wang Q J, Wang J B, Zhong X L, Tan Q H, Hu Z, Zhou Y C 2012 Appl. Phys. Lett. 100 132407
[32] Pickett W E, Moodera J S 2001 Phys. Today 54 39
[33] Fan J C, Sreekanth K M, Xie Z, Chang S L, Rao K V 2013 Prog. Mater. Sci. 58 874
[34] Zener C 1951 Phys. Rev 82 403
[35] Zener C 1951 Phys. Rev 81 440
[36] Sato K, Dederichs P H, Katayama Y H 2003 Europhys. Lett. 61 403
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