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In this paper,the preparetion of transparent ZnO ceramic with with low resistivity by high pressure sintering was reported,and the problem of high resistivity and opaqueness for ZnO under atmospheric pressure sintering was solved. The ZnO ceramic of optimal photoelectronic performance with high transparency and low resistivity under the pressure of 5 GPa and at the temperature of 800℃ was obtained. The transmissivily is about 49%, the electronic resistivity is 0.57 Ω ·cm, the width of band gap is 3.31 eV, the carrier concentration is 8.36×1017 cm-3 and the mobility is 23 cm2 ·V-1 ·s-1. The excellent n-type electrical conductivity is attributed to the contribution of Zni and VO donor defect. The results of this work have important significance for ZnO ceramic application as photoelectronic components for ultraviolet emission.
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Keywords:
- high pressure /
- ceramic /
- n-type ZnO /
- transparent
[1] Pillai S C, Kelly J M, Mccormack D E, Materials R R 2004 Science and Technology 20 964
[2] Li S T, Cheng P F, Li J Y 2009 Acta. Phys. Sin. 58 S23 (in Chinese) [李盛涛、成鹏飞、赵 雷、李建英 2009 58 S23]
[3] Suvaciand E, izgürzer 2005 Journal of the European Ceramic Ociety 25 1663
[4] Qin X J, Shao G J, Lin R P, Wang W K 2005 Acta. Phys. Sin. 54 2409 (in Chinese) [秦秀娟、邵光杰、刘日平、王文魁 2005 54 2409]
[5] Jiang L N, Jiang D M, Kyoung H K, Kwang B S 2007 Ceramics International 33 107
[6] Ma Y M, Eremets M, Oganov A R, Yu X, Trojan I, Medvedev S, Lyakhov A O 2009 Nature 458 182
[7] Hanfland M, Loa I, Syassen K 2002 Phys. Rev. B 65 184109
[8] Qin J M, Yao B, Yan Y, Zhang J Y, Jia X P, Zhang Z Z, Li B H, Shan C X, Shen D Z 2009 Appl. Phys. Lett. 95 022101
[9] Tagaya A, Iwata S, Kawanami E, Tsukahara H, Koike Y 2001 Appl. Opt. 40 3677
[10] Ohkita H, Tagaya A, Koike Y 2004 Macromolecules 37 8342
[11] Seko A, Fumiyasu O, Kuwabara A, Tanaka 2005 Phys. Rev. B 72 024107
[12] Kohan A F, Ceder G, Morgan D 2000 Phys. Rev. B 61 15019
[13] Zhang S B, Wei S H, Zunger A 2001 Phys. Rev. B 63 075205
[14] Jae H L, Chang K K, Kyoung K K, Kyu P 2006 Adv. Mater 18 2720
[1] Pillai S C, Kelly J M, Mccormack D E, Materials R R 2004 Science and Technology 20 964
[2] Li S T, Cheng P F, Li J Y 2009 Acta. Phys. Sin. 58 S23 (in Chinese) [李盛涛、成鹏飞、赵 雷、李建英 2009 58 S23]
[3] Suvaciand E, izgürzer 2005 Journal of the European Ceramic Ociety 25 1663
[4] Qin X J, Shao G J, Lin R P, Wang W K 2005 Acta. Phys. Sin. 54 2409 (in Chinese) [秦秀娟、邵光杰、刘日平、王文魁 2005 54 2409]
[5] Jiang L N, Jiang D M, Kyoung H K, Kwang B S 2007 Ceramics International 33 107
[6] Ma Y M, Eremets M, Oganov A R, Yu X, Trojan I, Medvedev S, Lyakhov A O 2009 Nature 458 182
[7] Hanfland M, Loa I, Syassen K 2002 Phys. Rev. B 65 184109
[8] Qin J M, Yao B, Yan Y, Zhang J Y, Jia X P, Zhang Z Z, Li B H, Shan C X, Shen D Z 2009 Appl. Phys. Lett. 95 022101
[9] Tagaya A, Iwata S, Kawanami E, Tsukahara H, Koike Y 2001 Appl. Opt. 40 3677
[10] Ohkita H, Tagaya A, Koike Y 2004 Macromolecules 37 8342
[11] Seko A, Fumiyasu O, Kuwabara A, Tanaka 2005 Phys. Rev. B 72 024107
[12] Kohan A F, Ceder G, Morgan D 2000 Phys. Rev. B 61 15019
[13] Zhang S B, Wei S H, Zunger A 2001 Phys. Rev. B 63 075205
[14] Jae H L, Chang K K, Kyoung K K, Kyu P 2006 Adv. Mater 18 2720
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