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The antiperovskite Mn3CuNx thin films are successfully deposited on single crystal Si (100) substrates using facing target magnetron sputtering. The effects of nitrogen content on the structures and physical properties of the Mn3CuNx thin films are investigated. The crystal structure, composition, surface morphology and the temperature dependence of resistivity and magnetization are characterized by X-ray diffraction, Auger electron spectroscopy, atomic force microscope, X-ray photoelectron spectroscopy, physical property measurement systems and superconducting quantum interference device. It is found that the thin film has an antiperovskite structure and a preferred orientation along (200) plane. The surface roughness and particle size increase with N content increasing. N content has little influence on the electronic transport behavior of the film. All the films display semiconductor-like behaviors, i.e. their resistivities monotonically decrease considerably, which is different from the bulk counterpart. The film undergoes a magnetic transition from ferrimagnetic to paramagnetic with the increase of temperature. Moreover, the Curie temperature (TC) increases as the N content decreases, owing to the effect of N deficiency on the interaction of Mn6N octahedron.
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Keywords:
- antiperovskite /
- Mn3CuNxthin film /
- nitrogen content /
- electronic transport property
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[3] Huang R J, Li L F, Cai F S, Xu X D, Qian L H 2008 Appl. Phys.Lett. 93 081902
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[17] Ding W Y, Wang H L, Ju D Y, Chai W P 2011 Acta Phys. Sin. 60028105 (in Chinese) [丁万昱, 王华林, 巨东英, 柴卫平 2008 60 028105]
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[19] Wang X, Jia H, Zheng W T, Chen Y, Feng S H 2009 Thin SolidFilms 517 4419
[20] Li H K, Lin G Q, Dong C 2008 Acta Phys.Sin. 57 6636 (in Chinese) [李红凯, 林国强, 董闯 2008 57 6636]
[21] Cao Y H, Di G Q 2011 Acta Phys. Sin. 60 037702 (in Chinese) [曹月华, 狄国庆 2011 60 037702]
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[23] Koshi T, Takashi S, Kazuko A, Keiichi K 2010 J. Phys. Soi. Jpn.79 073706
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[1] Takenaka K, Takagi H 2005 Appl. Phys. Lett. 87 261902
[2] Sun Y, Wang C, Wen Y C, Zhu K G, Zhao J T 2007 Appl. Phys.Lett. 91 231913
[3] Huang R J, Li L F, Cai F S, Xu X D, Qian L H 2008 Appl. Phys.Lett. 93 081902
[4] Asano K, Koyama K, Takenaka K 2008 Appl. Phys. Lett. 92161909
[5] Tohei T, Wada H, Kanomata T 2003 J. Appl. Phys. 94 1800
[6] Wang B S, Tong P, Sun Y P, Luo X, Zhu X B, Li G, Zhu X D,Zhang S B, Yang Z R, Song W H, Dai J M 2009 Europhys. Lett.85 47004
[7] Kamishima K, Goto T, Nakagawa H, Miura N, Ohashi M, Mori N,Sasaki T, Kanomata T 2000 Phys. Rev. B 63 024426
[8] Wang B S, Tong P, Sun Y P, Li L J, Tang W, Lu W J, Zhu X B,Yang Z R, Song W H 2009 Appl. Phys. Lett. 95 222509
[9] Chi E O, Kim W S, Hur N H 2001 Solid State Commun. 120 307
[10] Feng W J, Zhang D, Li Q, Deng Y F, Ma S, Zhang Z D 2009Mater. Sci. Poland 27 33
[11] Sun Y, Wang C, Chu L H, Wen Y C, Nie M, Liu F S 2010 Scr.Mater. 62 686
[12] Choi H S, Kim W S, Kim J C, Hur N H 2002 J. Mater. Res. 172640
[13] Sun Y, Wang C, Na Y Y, Chu L H, Wen Y Ch, Nie M 2010 Mater.Res. Bull. 45 1230
[14] Na Y Y, Wang C, Sun Y, Chu L H, Ji N, Wang J P 2011 Mater.Res. Bull. 46 1022
[15] Ding W Y, Xu J, Li Y Q, Piao Y, Gao P, Deng X L, Dong C 2006Acta Phys. Sin. 55 1363 (in Chinese) [丁万昱, 徐军, 李艳琴, 朴勇, 高鹏, 邓新绿, 董闯 2006 55 1363]
[16] Wen Y C, Wang C, Nie M, Sun Y, Chu L H, Liu F S 2010 Appl.Phys. Lett. 96 041903
[17] Ding W Y, Wang H L, Ju D Y, Chai W P 2011 Acta Phys. Sin. 60028105 (in Chinese) [丁万昱, 王华林, 巨东英, 柴卫平 2008 60 028105]
[18] Li Y P, Liu Z T, Liu W T, Yan F, Chen J 2008 Acta Phys. Sin. 57 6587 (in Chinese) [李阳平, 刘正堂, 刘文婷, 闫峰, 陈静 2008 57 6587]
[19] Wang X, Jia H, Zheng W T, Chen Y, Feng S H 2009 Thin SolidFilms 517 4419
[20] Li H K, Lin G Q, Dong C 2008 Acta Phys.Sin. 57 6636 (in Chinese) [李红凯, 林国强, 董闯 2008 57 6636]
[21] Cao Y H, Di G Q 2011 Acta Phys. Sin. 60 037702 (in Chinese) [曹月华, 狄国庆 2011 60 037702]
[22] Han L A, Chen C L 2007 Rare Metal. Mater. Eng. 36 2027 (in Chinese) [韩立安, 陈长乐 2007 稀有金属材料与工程 36 2027]
[23] Koshi T, Takashi S, Kazuko A, Keiichi K 2010 J. Phys. Soi. Jpn.79 073706
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