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Using the first-principle method within the generalized gradient approximation, in this paper we study the band structure, state density and doping level of transparent conductive oxide CuScO2. The calculated results show that the valence band of CuScO2 is composed mainly of 3d of Cu, and 2p of O; while the conduct band is comprised mainly of 3d of Sc. Through the +U correction, with the increase of the value of U, the conduct band of CuScO2 becomes split, and results in the enlarged band gap, which shows that the +U correction can improve the band gap of CuScO2. By comparing all kinds of dopant level in CuScO2, it found that the substitution of Mg for Sc can effectively improve the p-type conductivity in CuScO2.
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Keywords:
- CuScO2 /
- band structure /
- electronic structure
[1] Lewis B G and Panine D C 2000 Mater. Res. Bull. 25 22
[2] Wang Z G, Zhang Y, Wen Y H and Zhu Z Z 2010 Acta Phys. Sin. 59 2051 (in Chinese) [王志刚, 张杨, 文玉华, 朱梓忠 2010 59 2051]
[3] Deng B, Sun H Q, Guo Z Y and Gao X Q 2010 Acta Phys. Sin. 59 1212 (in Chinese) [邓贝, 孙慧卿, 郭志友, 高小奇 2010 59 1212]
[4] Kawazoe H, Yasukawa M, Hyodo H, Kurita M, Yanagi H, Hosono H 1997 Nature 389 939
[5] Yanagi H, Inoue S, Ueda K, Kawazoe H, Hosono H 2000 J. Appl. Phys. 88 4159
[6] Nie X, Wei S H, Zhang S B 2002 Phys. Rev. Lett. 88 066405
[7] Yanagi H, Kawazoe H, Kudo A, Yasukawa M, Hosono H 2000 J. Electroceram 4 427
[8] Katayama-Ylshida H, Koyanagi T, Funashima H, Harima H, Yanase A 2003 Solid. State.Commun. 126 135
[9] Koyanagi T, Harima H, Yanase A, Katayama-Yoshida H 2003 J. Phys. Chem. Solid. 64 144
[10] Hamada I, Katayama-Yoshida H 2003 Physica B 376 808
[11] Ueda K, Hase T, Yanagi H, Kawazoe H, Hosono H, Ohta H, Orita M, Hirano M 2001 J. Appl. Phys. 89 1790
[12] Yanagi H, Hase T, Ibuki S, Ueda K, Hosono H 2001 Appl. Phys. Lett. 78 1583
[13] Kakehi Y, Satoh K, Yotsuya T, Masuko K, Ashida A 2007 J. Appl. Phys. 46 4228
[14] Ingram B J, Harder B J, Hrabe N W 2004 Chem. Mater 16 5623
[15] Fang Z J, Shi L J, Liu Y H 2008 Chin. Phys. B 17 4279
[16] Fang Z J, Shi L J 2008 Phys. Lett. A 372 3759
[17] Kresse G, Furthmuller J 1996 Phys. Rev. B 54 11169
[18] Wang Y, Perdew J P 1991 Phys. Rev. B 44 13298
[19] Blochl P E 1994 Phys. Rev. B 50 17953
[20] Monkhorst H J, Pack J D 1976 Phys. Rev. B 13 5188
[21] Pack J D, Monkhorst H J 1977 Phys. Rev. B 16 1748
[22] Wei S H 2004 Comput. Mat. Sci. 30 337
[23] Zhang S B, Wei S H, Zunger A, Katayama-Yoshida H 1998 Phys. Rev. B 57 964
[24] Wei S H, Zhang S B 2002 Phys. Rev. B 66 155211
[25] Murnaghan F D 1944 Proc. Natl. Acad. Sci. U.S.A 30 244
[26] Doumerc J P, Ammar A, Wichainchai A, Pouchard M, Hagenmuller P 1987 J. Phys. Chem. Solids 48 37
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[1] Lewis B G and Panine D C 2000 Mater. Res. Bull. 25 22
[2] Wang Z G, Zhang Y, Wen Y H and Zhu Z Z 2010 Acta Phys. Sin. 59 2051 (in Chinese) [王志刚, 张杨, 文玉华, 朱梓忠 2010 59 2051]
[3] Deng B, Sun H Q, Guo Z Y and Gao X Q 2010 Acta Phys. Sin. 59 1212 (in Chinese) [邓贝, 孙慧卿, 郭志友, 高小奇 2010 59 1212]
[4] Kawazoe H, Yasukawa M, Hyodo H, Kurita M, Yanagi H, Hosono H 1997 Nature 389 939
[5] Yanagi H, Inoue S, Ueda K, Kawazoe H, Hosono H 2000 J. Appl. Phys. 88 4159
[6] Nie X, Wei S H, Zhang S B 2002 Phys. Rev. Lett. 88 066405
[7] Yanagi H, Kawazoe H, Kudo A, Yasukawa M, Hosono H 2000 J. Electroceram 4 427
[8] Katayama-Ylshida H, Koyanagi T, Funashima H, Harima H, Yanase A 2003 Solid. State.Commun. 126 135
[9] Koyanagi T, Harima H, Yanase A, Katayama-Yoshida H 2003 J. Phys. Chem. Solid. 64 144
[10] Hamada I, Katayama-Yoshida H 2003 Physica B 376 808
[11] Ueda K, Hase T, Yanagi H, Kawazoe H, Hosono H, Ohta H, Orita M, Hirano M 2001 J. Appl. Phys. 89 1790
[12] Yanagi H, Hase T, Ibuki S, Ueda K, Hosono H 2001 Appl. Phys. Lett. 78 1583
[13] Kakehi Y, Satoh K, Yotsuya T, Masuko K, Ashida A 2007 J. Appl. Phys. 46 4228
[14] Ingram B J, Harder B J, Hrabe N W 2004 Chem. Mater 16 5623
[15] Fang Z J, Shi L J, Liu Y H 2008 Chin. Phys. B 17 4279
[16] Fang Z J, Shi L J 2008 Phys. Lett. A 372 3759
[17] Kresse G, Furthmuller J 1996 Phys. Rev. B 54 11169
[18] Wang Y, Perdew J P 1991 Phys. Rev. B 44 13298
[19] Blochl P E 1994 Phys. Rev. B 50 17953
[20] Monkhorst H J, Pack J D 1976 Phys. Rev. B 13 5188
[21] Pack J D, Monkhorst H J 1977 Phys. Rev. B 16 1748
[22] Wei S H 2004 Comput. Mat. Sci. 30 337
[23] Zhang S B, Wei S H, Zunger A, Katayama-Yoshida H 1998 Phys. Rev. B 57 964
[24] Wei S H, Zhang S B 2002 Phys. Rev. B 66 155211
[25] Murnaghan F D 1944 Proc. Natl. Acad. Sci. U.S.A 30 244
[26] Doumerc J P, Ammar A, Wichainchai A, Pouchard M, Hagenmuller P 1987 J. Phys. Chem. Solids 48 37
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