Submitted on: 29 September 2009.
Revised on: 10 December 2009.
Accepted on: 14 January 2010.
___________________JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
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Submitted on: 22 October 2012.
Revised on: 18 November 2012.
Accepted on: 03 January 2013.
___________________JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Submitted on: 22 February 2010.
Revised on: 13 April 2010.
Accepted on: 08 May 2010.
___________________JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
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Submitted on: 20 February 2007.
Revised on: 30 April 2007.
Accepted on: 26 May 2007.
___________________JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS