AIP Publishing LLC retracts this erratum because it was submitted and published without the knowledge of all the co-authors. Upon further investigation, it was found that the article that this erratum addressed warranted a retraction. Please also see the Retraction1 associated with the original article.
REFERENCES
1.
R. K.
Singhal
et al, J. Appl. Phys.
114
, 129902
(2013
).
© 2014 AIP Publishing LLC.
2014
AIP Publishing LLC