Cathode voltage and discharge current oscillations in HiPIMS

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Publikace nespadá pod Fakultu sportovních studií, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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KLEIN Peter HNILICA Jaroslav HUBIČKA Zdeněk ČADA Martin ŠLAPANSKÁ Marta ZEMÁNEK Miroslav VAŠINA Petr

Rok publikování 2017
Druh Článek v odborném periodiku
Časopis / Zdroj Plasma Sources Science and Technology
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www http://iopscience.iop.org/article/10.1088/1361-6595/aa62ee
Doi http://dx.doi.org/10.1088/1361-6595/aa62ee
Obor Fyzika plazmatu a výboje v plynech
Klíčová slova HiPIMS; voltage and current oscillations; spokes
Popis This paper reports on the oscillations both on the cathode voltage and on the discharge current which emerged suddenly and simultaneously during a high-power impulse magnetron sputtering pulse. Detailed experiments identified the pressure and the discharge current ranges to detect these oscillations. The oscillations originated from the magnetized plasma and their frequency ranged from 225 kHz to 400 kHz depending on the experimental conditions. Simultaneous measurement of both oscillations and spokes was conducted to find mutual correlations. The oscillations always accompanied the spokes and no particular conditions to detect oscillations in the absence of spokes were found. The oscillations were not caused by the rotational motion of the spokes but emerged when a certain threshold amount of spokes was overreached.
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