[1] Roy R, Hill V G, Osborn E F. Polymorphism of Ga 2O 3 and the system Ga 2O 3—H 2O[J]. Journal of the American Chemical Society, 1952, 74(3): 719-722.
[2] Tippins H H. Optical absorption and photoconductivity in the band edge of β Ga 2O 3[J]. Phys Rev, 1965, 140(1A): A316-A319.
[3] Kokubun Y, Miura K, Endo F, et al. Sol gel prepared β Ga 2O 3 thin films for ultraviolet photodetectors[J]. Appl Phys Lett, 2007, 90(3): 031912-031912-3.
[4] Oshima T, Okuno T, Fujita S. Ga 2O 3 thin film growth on c plane sapphire substrates by molecular beam epitaxy for deepultraviolet photodetectors[J]. Jpn J Appl Phys, 2007, 46: 7217-7220.
[5] Oshima T, Okuno T, Arai N, et al. Vertical solar blind deep ultraviolet Schottky photodetectors based on β Ga 2O 3 substrates[J]. Appl Phys Express, 2008, 1: 011202-011202-3.
[6] Matsuzaki K, Yanagi H, Kamiya T, et al. Field induced current modulation in epitaxial film of deep ultraviolet transparent oxide semiconductor Ga 2O 3[J]. Appl Phys Lett, 2006, 88(9): 092106-092106-3
[7] Culebras M, Gómez C M, Cantarero A. Thermoelectric measurements of PEDOT: PSS/expanded graphite composites[J]. Energy Materials & Thermoelectrics, 2013, 48(7): 2855-2860.
[8] Pei G Q, Xia C T, Dong Y J, et al. Studies of magnetic interactions in Mn doped β Ga 2O 3 from firstprinciples calculations[J]. Scripta Mater, 2008, 58(11): 943-946.
[9] Yang J L, Zhao Y N. Electronic structure and optical properties of N Zn co doped β Ga 2O 3[J]. Sci China Phys Mech Astron, 2012, 55(4): 654-659.
[10] He H, Li W, Liang E J, et al. First principles study on the electronic properties of Cr, Fe, Mn and Ni doped β Ga 2O 3[J]. Adv Mater Res, 2012, 535-537: 36-41.
[11] 胡帆, 晁明举, 梁二军, 等. Mn掺杂Ga 2O 3薄膜的结构及光吸收性能研究[J]. 材料导报, 2009, 23(16): 16-18.
[12] Geller S. Crystal structure of β Ga 2O 3[J]. J Chem Phys, 1960, 33(3): 676-684.
[13] Duan W H, Wentzcovitch R M, Thomson K T. First principles study of high pressure alumina polymorphs[J]. Phys Rev B, 1998, 57(17): 10363-10369.
[14] Vanderbilt D. Soft self consistent pseudopotentials in a generalized eigenvalue formalism[J]. Phys Rev B, 1990, 41(11): 7892-7895.
[15] Perdew J P, Burke K, Ernzerhof M. Generalized gradient approximation made simple[J]. Phys Rev Lett, 1996, 77(18): 3865-3868.