[1] Lee S H, Kim B J, Kim H H and Lee J J 1996 J. Appl.
Phys. 80 1469

[2] Lee S H, Lee J J 1995 J. Vac. Sci. Technol. A 13 2030

[3] Kim K H, Lee S H 1995 J. Mater. Sci. Lett. 14 1531

[4] Kim K H, Lee S H 1996 Thin Solid Films 283 165

[5] Leonhardt A, Bartsch K and Endler I 1995 Surf. Coat. Technol.
76/77 225

[6] Jarms C, Stock H R and Mayr P 1998 Surf. Coat. Technol.
108/109 206

[7] Yan P X, Yang S Z, Li B and Chen X S 1995 J. Crystal. Growth
148 232

[8] Liu B, Zhang J Z, Chen H F, Jiang Y B, Ren Y F and Yang S Z 1999
Mater. Chem. Phys. 557 219

[9] Werbowy A, Olszyna A, Zdunek K, Sokoyowska A, Schmidt J and Barcz A
2004 Thin Solid Films 459 160

[10] Sokolowski M, Sokolowska A, Michalski A, Romanowski Z and
Wronikowski M 1981 Thin Solid Films 80 249

[11] Zdunek K 1991 J. Mater. Sci. 26 4433

[12] Elert M and Zdunek K 2002 J. Wide Bandgap Mater. 9 101

[13] Wei K, Wu X F, Yang S Z et al 1998 Mater. Sci. Eng.
254 129

[14] Fu Y, Wu X F, Wang Y, Li B and Yang S Z 2000 Appl. Surf.
Sci. 157 167

[15] Rong C, Zhang J Z, Liu C Z and Yang S Z 2002 Appl. Surf.
Sci. 200 104

[16] Liu Y F, Zhang G L, Wang J L and Yang S Z 2004 Acta Phys.
Sin. 53 503 (in Chinese)

[17] Yang W B, Fang S H et al 2003 Acta Phys. Sin. 52 140
(in Chinese)

[18] Feng W R, Liu C Z, Chen G L, Zhang G L, Gu W C, Niu E W and Yang S
Z 2007 Appl. Surf. Sci. 253 4923