Journal
JOURNAL OF PHYSICS D-APPLIED PHYSICS
Volume 45, Issue 32, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/45/32/322001
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Funding
- Ministry of Science and Technology in Thailand
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Using a biased quartz crystal microbalance in combination with a gridded electrode, the ionized metal flux fraction in a high power impulse magnetron sputtering (HiPIMS) discharge operated with a titanium target has been investigated. The average discharge power was controlled by varying three different parameters; initial target voltage, pulse width and pulse frequency. The average discharge power was varied from 0.3 to 1.3kW and irrespective of the power control method used an associated decrease in the flux fraction (from 50% to 30%) was observed. The mechanisms responsible for this decrease in the time-averaged flux fraction of metal ions are discussed.
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