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钇和镧掺杂氧化铝陶瓷的热导及其介电弛豫特性研究

伍君博 唐新桂 贾振华 陈东阁 蒋艳平 刘秋香

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钇和镧掺杂氧化铝陶瓷的热导及其介电弛豫特性研究

伍君博, 唐新桂, 贾振华, 陈东阁, 蒋艳平, 刘秋香

Influences of Y- and La-dopant on the thermal conductive properties and dielectric relaxation of Al2O3-based ceramics

Wu Jun-Bo, Tang Xin-Gui, Jia Zhen-Hua, Chen Dong-Ge, Jiang Yan-Ping, Liu Qiu-Xiang
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  • 采用氧化物固相反应法,制备出纯氧化铝陶瓷及其分别掺杂稀土元素钇和镧的陶瓷样品. 测量了样品的结构、介电特性和热导性能;研究了烧结温度对掺杂不同稀土元素的陶瓷样品的性能的影响. X射线衍射结果表明1500℃烧结后陶瓷样品形成了单一的固溶体. 而氧化铝的热导率达到8.60 W/(m·K),样品的介电性能稳定. 我们发现掺杂Y3+和La3+的氧化铝陶瓷存在介电弛豫现象,并对该现象进行了机理分析.
    Al2O3 ceramics doping with Y3+ and La3+ are synthesized by conventional solid state reaction method. The structures, thermal conductivities properties and the effects of sintering temperature on the electrical properties of the samples are measured. X-ray diffraction results indicate that all the ceramics are formed to be of pure solid solution when the samples are sintered at 1500℃. Thermal conductivities of Al2O3 ceramics reach up to 8.60 W/(m· K). All the ceramics show temperature-stable dielectric characteristics. Typical dielectric relaxation behaviors are observed in Y- and La-doped Al2O3 ceramics, and the relaxation mechanism is also analyzed.
    • 基金项目: 国家自然科学基金(批准号: 10774030); 广东省科技计划项目(批准号: 2010B090400141)和广州市科技计划项目(批准号: 2010Y1-C221)资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 10774030), the Science and Technology Program of Guangdong Province, China (Grant No. 2010B090400141), and the Science and Technology Project of Guangzhou City, China (Grant No. 2010Y1-C221).
    [1]

    Svilainis L 2008 Displays 29 506

    [2]

    Kee R J, Almand B B, Blasi J M, Rosen B L, Hartmann M, Sullivan N P, Zhu H Y, Manerbino A R, Menzer S, Grover Coors W, Martin J L 2011 Appl. Thermal. Eng. 31 2004

    [3]

    Yin L Q, Yang L Q, Yang W Q, Guo Y S, Ma K J, Li S Z, Zhang J H 2010 Solid-State Electron 54 1520

    [4]

    Peng R, Zhou H P, Ning X S, Xu W, Lin Y B 2002 J. Inorg. Mater. 17 731 (in Chinese) [彭榕, 周和平, 宁晓山, 徐伟, 林渊博 2002 无机材料学报 17 731]

    [5]

    Mu B C, Sun X D 2002 J. Chin. Rare Earth Soc. 20 z104 (in Chinese) [穆柏春, 孙旭东 2002 中国稀土学报 20 z104]

    [6]

    Yang Q H, Zeng Z J, Xu J, Su L B 2006 Acta Phys. Sin. 55 2726 (in Chinese) [杨秋红, 曾智江, 徐军, 苏良碧 2006 物理学报 55 2726]

    [7]

    Yao Y J, Qiu T, Jiao B X, Shen C Y 2005 J. Chin. Rare Earth Soc. 23 158 (in Chinese) [姚义俊, 邱泰, 焦宝祥, 沈春英 2005 中国稀土学报 23 158]

    [8]

    Chen D G, Tang X G, Jia Z H, Wu J B, Xiong H F 2011 Acta Phys. Sin. 60 127701 (in Chinese) [陈东阁, 唐新桂, 贾政华, 伍君博, 熊惠芳 2011 物理学报 60 127701]

    [9]

    Huang L P, Zhao H F, Fu X R, Dong L J 1989 J. Inorg. Mater. 4 217 (in Chinese) [黄莉萍, 赵惠芬, 符锡仁, 董良金 1989 无机材料学报 4 217]

    [10]

    Zhou H P, Zhou J S 1995 J. Inorg. Mater. 10 439 (in Chinese) [周和平, 周劲松 1995 无机材料学报 10 439]

    [11]

    Ferrarelli M C, Sinclair D C, West A R, Dabkowska H A, Dabkowski A, Luke G M 2009 J. Mater. Chem. 19 5916

    [12]

    Sarkar S, Jana P K, Chaudhuri B K 2008 Appl. Phys. Lett. 92 022905

    [13]

    Cole K S, Cole R H 1941 J. Chem. Phys. 9 341

    [14]

    Sinclair D C, West A R 1989 Phys. Rev. B 39 13486

    [15]

    Kim J S, Choi B C, Jeong J H, Chung S T, Cho S B, Kim I W 2009 J. Kor. Phys. Soc. 55 879

    [16]

    Elissalde C, Ravez J 2001 J. Mater. Chem. 11 1957

    [17]

    Kuang S J, Tang X G, Li L Y, Jiang Y P, Liu Q X 2009 Scripta Mater. 61 68

    [18]

    Tang X G, Wang J, Wang X X, Chan H L W 2004 Solid State Commun. 131 163

  • [1]

    Svilainis L 2008 Displays 29 506

    [2]

    Kee R J, Almand B B, Blasi J M, Rosen B L, Hartmann M, Sullivan N P, Zhu H Y, Manerbino A R, Menzer S, Grover Coors W, Martin J L 2011 Appl. Thermal. Eng. 31 2004

    [3]

    Yin L Q, Yang L Q, Yang W Q, Guo Y S, Ma K J, Li S Z, Zhang J H 2010 Solid-State Electron 54 1520

    [4]

    Peng R, Zhou H P, Ning X S, Xu W, Lin Y B 2002 J. Inorg. Mater. 17 731 (in Chinese) [彭榕, 周和平, 宁晓山, 徐伟, 林渊博 2002 无机材料学报 17 731]

    [5]

    Mu B C, Sun X D 2002 J. Chin. Rare Earth Soc. 20 z104 (in Chinese) [穆柏春, 孙旭东 2002 中国稀土学报 20 z104]

    [6]

    Yang Q H, Zeng Z J, Xu J, Su L B 2006 Acta Phys. Sin. 55 2726 (in Chinese) [杨秋红, 曾智江, 徐军, 苏良碧 2006 物理学报 55 2726]

    [7]

    Yao Y J, Qiu T, Jiao B X, Shen C Y 2005 J. Chin. Rare Earth Soc. 23 158 (in Chinese) [姚义俊, 邱泰, 焦宝祥, 沈春英 2005 中国稀土学报 23 158]

    [8]

    Chen D G, Tang X G, Jia Z H, Wu J B, Xiong H F 2011 Acta Phys. Sin. 60 127701 (in Chinese) [陈东阁, 唐新桂, 贾政华, 伍君博, 熊惠芳 2011 物理学报 60 127701]

    [9]

    Huang L P, Zhao H F, Fu X R, Dong L J 1989 J. Inorg. Mater. 4 217 (in Chinese) [黄莉萍, 赵惠芬, 符锡仁, 董良金 1989 无机材料学报 4 217]

    [10]

    Zhou H P, Zhou J S 1995 J. Inorg. Mater. 10 439 (in Chinese) [周和平, 周劲松 1995 无机材料学报 10 439]

    [11]

    Ferrarelli M C, Sinclair D C, West A R, Dabkowska H A, Dabkowski A, Luke G M 2009 J. Mater. Chem. 19 5916

    [12]

    Sarkar S, Jana P K, Chaudhuri B K 2008 Appl. Phys. Lett. 92 022905

    [13]

    Cole K S, Cole R H 1941 J. Chem. Phys. 9 341

    [14]

    Sinclair D C, West A R 1989 Phys. Rev. B 39 13486

    [15]

    Kim J S, Choi B C, Jeong J H, Chung S T, Cho S B, Kim I W 2009 J. Kor. Phys. Soc. 55 879

    [16]

    Elissalde C, Ravez J 2001 J. Mater. Chem. 11 1957

    [17]

    Kuang S J, Tang X G, Li L Y, Jiang Y P, Liu Q X 2009 Scripta Mater. 61 68

    [18]

    Tang X G, Wang J, Wang X X, Chan H L W 2004 Solid State Commun. 131 163

计量
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  • PDF下载量:  1223
  • 被引次数: 0
出版历程
  • 收稿日期:  2011-11-02
  • 修回日期:  2012-04-15
  • 刊出日期:  2012-10-05

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