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Submitted on: 24 April 2011.
Revised on: 10 May 2011.
Accepted on: 20 May 2011.
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A
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Submitted on: 16 March 1998.
Revised on: 23 April 1998.
Accepted on: 14 May 1998.
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A
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Submitted on: 15 May 2007.
Revised on: 06 June 2007.
Accepted on: 25 June 2007.
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A