Author/Authors :
Rhee، نويسنده , , Joo Yull، نويسنده ,
Abstract :
This article has been retracted. Please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).
: The editors and publisher would like to confirm the retraction of this paper at the request of the authors. This article was a duplication of a paper that had already appeared in the Journal of Applied Physics, Volume 96, Issue 12, pages 7018-7021, doi: 10.1063/1.1810639. The authors would like to apologize for this administrative error on their part.