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Graded nanostructured interfacial layers fabricated by high power pulsed magnetron sputtering - plasma immersion ion implantation and deposition (HPPMS-PIII&D)

  • Zhongzhen Wu
  • , Xiubo Tian*
  • , Yongqiang Wei
  • , Chunzhi Gong
  • , Shiqin Yang
  • , Feng Pan
  • , Paul K. Chu
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Peking University
  • City University of Hong Kong

Research output: Contribution to journalArticlepeer-review

Abstract

A nanostructured interfacial layer with a graded structure is produced by hybrid high-power pulsed magnetron sputtering-plasma immersion ion implantation and deposition (HPPMS-PIII&D) to improve adhesion of multi-functional coatings. As a demonstration, a ceramic CrN film is prepared on stainless steel together with a Cr interlayer. High-resolution transmission electron microscopy (HR-TEM) reveals the presence of a 40. nm thick nanostructured interfacial layer between the Cr interlayer and substrate with gradually changing compositions, and this layer which possesses a dense and pore/void free structure is responsible for the strong film adhesion. The hybrid technology combines the benefits of both the HPPMS and PIII&D enabling fabrication of functional films with the desired properties. The technique and fabrication strategy have many potential applications in photovoltaics, energy storage, tribology, lubrication, aeronautics, and astronautics.

Original languageEnglish
Pages (from-to)320-325
Number of pages6
JournalSurface and Coatings Technology
Volume236
DOIs
StatePublished - 15 Dec 2013

Keywords

  • CrN layer
  • High-power pulsed magnetron sputtering
  • Interface
  • Plasma immersion ion implantation and deposition
  • Stress

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