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The pure and Magnli phase titanium suboxides for both rutile and anatase supercell models of TiO1.9375 were structured by using first-principles plane-wave ultrasoft pseudopotential method based on the density functional theory; the geometry optimizations, the band structures, and density of states of these models were calculated. Results show that the volumes become greater for Magnli phase titanium suboxides in both rutile and anatase; meanwhile, the stability may reduce slightly, leading to a Mott transition. The nonmagnetic property of anatase titanium suboxides, and the magnetic property of rutile titanium suboxides, as wall as the conductive property of anatase titanium suboxides are higher than rutile titanium suboxides, in agreement with the experimental results.
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Keywords:
- Magnli phase titanium suboxides /
- Mott phase transition /
- magnetic /
- first-principles
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[4] Kao W H, Patel P, Haberichter S L 1997 J. Electrochem Soc. 144 1907
[5] Andersson S, Magneli A 1956 Naturwiss 43 495
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[7] Smith J R, Walshf C 1998 J. Appl. Electrochem. 28 1021
[8] Liborio L, Harrison N 2008 Phys. Rev. B 77 104104
[9] Halley J W, Michalewicz M T, Tit N 1990 Phys. Rev. B 41 10165
[10] Hou Q Y, Zhang Y, Chen Y, Shang J X, Gu J H 2008 Acta Phys. Sin. 57 438 (in Chinese) [侯清玉, 张跃, 陈粤, 尚家香, 谷景华 2008 57 438]
[11] Guan D B, Mao J 2012 Acta Phys. Sin. 61 017102 (in Chinese) [管东波, 毛健 2012 61 017102]
[12] Rumaiz A K, Ali B, Ceylan A, Boggs M, Beebe T, Shah S I 2007 Solid. State. Commun. 144 334
[13] Feng J, Xiao B, Zhou R, Pan W 2013 J. Appl. Phys. 113 143907
[14] Tsutomu U, Tetsuya Y, Hisayoshi I, Keisuke A 2002 J. Phys. Chem. Solids 63 1909
[15] Kafizas A, Parkin I P 2011 J. Am. Chem. Soc. 133 20458
[16] Sorescu M, Diamandescu L, Tarabsanu M D, Teodorescuv V S 2004 J. Mat. Sci. 39 675
[17] Tang H, Prasad K, Sanjinés R, Schmid P E, Lévy F 1994 J. Appl. Phys. 75 2042
[18] Serpone N 2006 J. Phys. Chem. B 110 24287
[19] Choi W, Termin A, Hoffmann M R 1994 J. Phys. Chem. 98 13669
[20] Hou Q Y, Wu Y G R L, Zhao C W 2013 Acta Phys. Sin. 62 237101 (in Chinese) [侯清玉, 乌云格日乐, 赵春旺 2013 62 237101]
[21] Pickett W E, Moodera J S 2001 Phys. Today 54 39
[22] Hou Q Y, Zhao C W, Li J J, Wang G 2011Acta Phys. Sin. 60 047104 (in Chinese) [侯清玉, 赵春旺, 李继军, 王钢 2011 60 047104]
[23] Jhm J, Zunger A, Cohen M L 1979 J. Phys. C 12 4409
[24] Xin J, Zheng Y Q, Shi E W 2007 J. Inorg. Mater 22 193 (in Chinese) [忻隽, 郑燕青, 施尔畏 2007 无机材料学报 22 193]
[25] Pournami P V, Marykutty T, George K C 2012 J. Appl. Phys. 112 104308
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[1] Gardos M N 2000 Tribol. Lett. 8 65
[2] Sun Y B, Zhang X Q, Li G K, Cheng Z H 2012 Chin. Phys. B 21 047503
[3] Gusev A, Avvakumov E G, Medvedev A, Masliy A 2007 Sci. Sinter. 39 51
[4] Kao W H, Patel P, Haberichter S L 1997 J. Electrochem Soc. 144 1907
[5] Andersson S, Magneli A 1956 Naturwiss 43 495
[6] Woydt M 2000 Tribol. Lett. 8 117
[7] Smith J R, Walshf C 1998 J. Appl. Electrochem. 28 1021
[8] Liborio L, Harrison N 2008 Phys. Rev. B 77 104104
[9] Halley J W, Michalewicz M T, Tit N 1990 Phys. Rev. B 41 10165
[10] Hou Q Y, Zhang Y, Chen Y, Shang J X, Gu J H 2008 Acta Phys. Sin. 57 438 (in Chinese) [侯清玉, 张跃, 陈粤, 尚家香, 谷景华 2008 57 438]
[11] Guan D B, Mao J 2012 Acta Phys. Sin. 61 017102 (in Chinese) [管东波, 毛健 2012 61 017102]
[12] Rumaiz A K, Ali B, Ceylan A, Boggs M, Beebe T, Shah S I 2007 Solid. State. Commun. 144 334
[13] Feng J, Xiao B, Zhou R, Pan W 2013 J. Appl. Phys. 113 143907
[14] Tsutomu U, Tetsuya Y, Hisayoshi I, Keisuke A 2002 J. Phys. Chem. Solids 63 1909
[15] Kafizas A, Parkin I P 2011 J. Am. Chem. Soc. 133 20458
[16] Sorescu M, Diamandescu L, Tarabsanu M D, Teodorescuv V S 2004 J. Mat. Sci. 39 675
[17] Tang H, Prasad K, Sanjinés R, Schmid P E, Lévy F 1994 J. Appl. Phys. 75 2042
[18] Serpone N 2006 J. Phys. Chem. B 110 24287
[19] Choi W, Termin A, Hoffmann M R 1994 J. Phys. Chem. 98 13669
[20] Hou Q Y, Wu Y G R L, Zhao C W 2013 Acta Phys. Sin. 62 237101 (in Chinese) [侯清玉, 乌云格日乐, 赵春旺 2013 62 237101]
[21] Pickett W E, Moodera J S 2001 Phys. Today 54 39
[22] Hou Q Y, Zhao C W, Li J J, Wang G 2011Acta Phys. Sin. 60 047104 (in Chinese) [侯清玉, 赵春旺, 李继军, 王钢 2011 60 047104]
[23] Jhm J, Zunger A, Cohen M L 1979 J. Phys. C 12 4409
[24] Xin J, Zheng Y Q, Shi E W 2007 J. Inorg. Mater 22 193 (in Chinese) [忻隽, 郑燕青, 施尔畏 2007 无机材料学报 22 193]
[25] Pournami P V, Marykutty T, George K C 2012 J. Appl. Phys. 112 104308
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