Submitted on: 20 June 2008.
Revised on: 06 September 2008.
Accepted on: 26 September 2008.
___________________Journal of Advanced Ceramics---TSINGHUA UNIV PRESS
Submitted on: 22 November 2011.
Revised on: 19 December 2011.
Accepted on: 16 February 2012.
___________________Journal of Advanced Ceramics---TSINGHUA UNIV PRESS
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Submitted on: 01 August 2018.
Revised on: 02 November 2018.
Accepted on: 21 December 2018.
___________________Journal of Advanced Ceramics---TSINGHUA UNIV PRESS
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Submitted on: 10 November 2010.
Revised on: 06 February 2011.
Accepted on: 19 March 2011.
___________________Journal of Advanced Ceramics---TSINGHUA UNIV PRESS
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Submitted on: 11 May 2019.
Revised on: 03 September 2019.
Accepted on: 24 October 2019.
___________________Journal of Advanced Ceramics---TSINGHUA UNIV PRESS
Submitted on: 09 December 1999.
Revised on: 11 January 2000.
Accepted on: 13 February 2000.
___________________Journal of Advanced Ceramics---TSINGHUA UNIV PRESS