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  • Kubart, Tomas, et al. (author)
  • Investigation of ionized metal flux fraction in HiPIMS discharges with Ti and Ni targets
  • 2014
  • In: Surface & Coatings Technology. - : Elsevier BV. - 0257-8972 .- 1879-3347. ; 238, s. 152-157
  • Journal article (peer-reviewed)abstract
    • Ionized metal flux fractions in high power impulse magnetron sputtering (HiPIMS) were analyzed by a combination of a retarding field analyzer and a quartz crystal microbalance (QCM). Two target materials, Ni and Ti, were studied in an Ar atmosphere. In the case of Ti, the reactive (Ar + O-2) mode was also investigated. Ionized metal flux fractions of up to 50% for Ni were observed at a pulse power density of 1 kW cm(-2). The pulse on-time had negligible influence on the ionized fraction. Somewhat higher values, exceeding 60%, were measured for Ti at 2 kW cm(-2). In this case, shorter on-times led to higher ionized fractions at the same deposition rate and average discharge power density. In reactive sputtering of Ti, substantially higher ionized fraction was observed in the oxide mode as compared to the metal mode. Already at lower values of the pulse power, there was a significant fraction of Ti ions in the flux.
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4.
  • Yngström, Louise, et al. (author)
  • Resubmit my Information Security Thesis? - You must be joking!
  • 2007
  • In: IFIP International Federation for Information Processing. - 9780387732688
  • Conference paper (other academic/artistic)abstract
    • This paper presents a model for use by students and supervisors embarking upon higher degrees by research with specific application to information security. The model details a set of questions to be asked in preparing for the research in order to ensure a well planned and cohesive research project and written thesis
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5.
  • Johansson, Börje, et al. (author)
  • 2006
  • In: The Internationalization of Corporate R&D. - Östersund : Institutet för tillväxtpolitiska studier (ITPS). ; , s. 89-104
  • Book chapter (pop. science, debate, etc.)
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  • Result 1-5 of 5

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