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The vacuum evaporation has been applied to prepare Zn and Bi films with different growth directions in order to investigate the orientation of films in magnetic fields. XRD results showed that magnetic orientation occurred in the Zn films with a smaller difference between magnetic susceptibilities of a-axis and c-axis compared with those of Bi in the magnetic field of 4T but the orientation did not take place in the Bi films prepared in a 5T magnetic field despite of a larger difference in magnetic susceptibilities. It was observed by SEM that the grain sizes in Zn and Bi films were markedly different. The relation between the grain size and the magnetic orientation was established in a magnetic field of 4T. The condition of orientation in films is that the magnetic energy should be 420 times larger than the thermal energy kT. The occurences of magnetic orientation growth in the films depends on the grain size of the film, the difference in magnetic susceptibility of the material and the intensity of the applied magnetic field, respectively.
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Keywords:
- high magnetic field /
- magnetic orientation /
- thin film growth /
- electromagnetic process of materials
[1] Yamaguchi M, Tanimoto Y 2006 Magneto-Science (Berlin Heidelberg: Kodasha Ltd.& Spinger-Verlag) p191
[2] Rango P D , Lees M, Lejay P, Sulpice A, Tournier R, Ingold M, Pernet M 1991 Nature 349 770
[3] Jin F W, Ren Z M, Ren W L, Deng K, Zhong Y B 2007 Acta Metall Sinica 43 521(in Chinese)[晋芳伟、任忠鸣、任维丽、邓 康、钟云波 2007 金属学报 43 521] 〖4] Matsushima, H, Fukunaka, Y, Ito, Y, Bund, A, Plieth, W 2006 J. Electroanal. Chem. 587 93
[4] Mogi I, Kamiko M 1996 J. Cryst. Growth 166 276
[5] Ideaki Agura H, Okinaka H, Hoki S, Aoki T, Suzuki A, Matsushitad T, Okuda M 2005 Electri. Engineering in Jpn. 151 1916
[6] Wakiya N, Muraoka K, Kadowaki T, Kiguchi T, Mizutani N, Suzuki H, Shinozaki K 2007 J. Magn. Magn. Mater. 310 2546
[7] Makiya A, Kusumi Y, Tanaka S 2007 J. Europ. Ceramic Soc. 27 797
[8] Li S Q, Sassa K, Asai S 2006 Ceramics International 32 701
[9] Sugiyama T, Tahashi M, Sassa K, Asai S 2003 ISIJ International 43 855
[10] Ma Y W, Watanabe K, Awaji S, Motokawa M 2001 Physica C 357 337
[11] Asai S, Sassa K, Tahashi M 2003 Sci. Tech. Adv. Mater. 4 455
[12] Wehrli L 1968 Phys. Condens. Mater. 8 94
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[1] Yamaguchi M, Tanimoto Y 2006 Magneto-Science (Berlin Heidelberg: Kodasha Ltd.& Spinger-Verlag) p191
[2] Rango P D , Lees M, Lejay P, Sulpice A, Tournier R, Ingold M, Pernet M 1991 Nature 349 770
[3] Jin F W, Ren Z M, Ren W L, Deng K, Zhong Y B 2007 Acta Metall Sinica 43 521(in Chinese)[晋芳伟、任忠鸣、任维丽、邓 康、钟云波 2007 金属学报 43 521] 〖4] Matsushima, H, Fukunaka, Y, Ito, Y, Bund, A, Plieth, W 2006 J. Electroanal. Chem. 587 93
[4] Mogi I, Kamiko M 1996 J. Cryst. Growth 166 276
[5] Ideaki Agura H, Okinaka H, Hoki S, Aoki T, Suzuki A, Matsushitad T, Okuda M 2005 Electri. Engineering in Jpn. 151 1916
[6] Wakiya N, Muraoka K, Kadowaki T, Kiguchi T, Mizutani N, Suzuki H, Shinozaki K 2007 J. Magn. Magn. Mater. 310 2546
[7] Makiya A, Kusumi Y, Tanaka S 2007 J. Europ. Ceramic Soc. 27 797
[8] Li S Q, Sassa K, Asai S 2006 Ceramics International 32 701
[9] Sugiyama T, Tahashi M, Sassa K, Asai S 2003 ISIJ International 43 855
[10] Ma Y W, Watanabe K, Awaji S, Motokawa M 2001 Physica C 357 337
[11] Asai S, Sassa K, Tahashi M 2003 Sci. Tech. Adv. Mater. 4 455
[12] Wehrli L 1968 Phys. Condens. Mater. 8 94
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