[1] Long D and Schmit J L 1970 Semiconductors and Semi-metals (New York: Academic Press) p.175[2] Chauvet C, Bousquet V, Tourni? E and Faurie J P 1999 J. Electron. Mater. 28 662[3] Waag A, Fischer F, Schull K, Barron T, Lugauer H J, Litz T, Zehneder U, Ossau W, Gerhard T, Keim M, Reuscher G and Landwehr G 1997 Appl. Phys. Lett. 70 280[4] Zhang J Y, Shem D Z, Fan X W, Yang B J and Zheng Z H 2000 J. Cryst. Growth 214-215 100[5] Munoz A, Rodriguez-Hernandez P and Mujica A 1996 Phys. Stat. Sol. 198 439[6] Waag A, Fischer F, Lugauer H J, Litz T, Laubender J, Lunz U, Zehneder U, Ossau W, Gerhard T, Moller M and Landwehr G 1996 J. Appl. Phys. 80 792[7] Blaha P, Schwarz K, Madsen G K H, Kvasnicka D and Luitz J 2001 WIEN2K An Augmented Plane Wave + Local Orbitals Program for Calculating Crystal Properties, Karlheinz Schwarz (Techn. Universität, Austria, Vienna)[8] Perdew J P, Burke S and Ernzerhof M 1997 Phys. Rev. Lett. 78 1396(E)[9] Engel E and Vosko S H 1993 Phys. Rev. B 47 13164[10] Murnaghan F D 1944 Proc. Natl. Acad. Sci. 30 5390[11] Okuyama H, Kishita Y and Ishibashi A 1998 Phys. Rev. B 57 2257[12] Narayana C, Nesamong V J and Ruoff A L 1997 Phys. Rev. B 56 14338[13] Luo H, Ghandehair K, Greene R G, Ruoff A L, Trail S S and Disalvo F J 1995 Phys. Rev. B 52 7058[14] Ves S, Schwartz U, Christensen N E, Syassen K and Cardona M 1990 Phys. Rev. B 42 9113[15] El Haj Hassan F, Amrani B and Bahsoun F 2007 Physica B 391 365[16] Lee S G and Chang K J 995 Phys. Rev. B 52 1918[17] Baaziz H, Charifi Z, El Haj Hassan F, Hashemifar S J and Akbarzadeh H 2006 Phys. Stat. Sol. (b) 243 1296[18] El Haj Hassan F 2005 Phys. Stat. Sol. (b) 242 911[19] Kalpana G, Pari G, Mookerjee A and Bhattacharyya A K 1998 Int. J. Mod. Phys. B 12 1975[20] Lee B H 1970 J. Appl. Phys. 44 2984[21] Yim W M, Dismukes J P, Stofko E J and Poff R J 1972 J. Phys. Chem. Solids 33 501[22] El Haj Hassan F, Amrani B and Bahsoun F 2007 J. Phys.: Condensed Matter 19 386234[23] El Haj Hassan F and Akbarzadeh H 2006 Comput. Mater. Sci. 35 423[24] Okoye C M I 2004 Eu. Phys. J. B 39 5[25] Ozaki S and Adachi S 1994 J. Appl. Phys. 75 7470[26] Vegard L 1921 Z. Phys. 5 17[27] Ameri M, Rached D, Rabah M, El Haj Hassan F, Khenata R and Doui-Aici M 2007 Phys. Stat. Sol. (b) 245 106[28] Jobst J, Hommel D, Lunz U, Gerhard T and Landwehr G 1996 Appl. Phys. Lett. 69 97[29] Chauvet C, Tourni? E and Faurie J P 2000 Phys. Rev. B 61 5332[30] Ravindra N M, Ganapathy P and Choi J 2007 Infrared. Phys. Technol. 50 21 |