A comparative study on the properties of chromium coatings deposited by magnetron sputtering with hot and cooled target

D. V. Sidelev, G. A. Bleykher, M. Bestetti, V. P. Krivobokov, A. Vicenzo, S. Franz, M. F. Brunella

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This article reports on the analysis of energy flux density to the substrate and results of the detailed study of properties of Cr coatings deposited by magnetron sputtering with hot and cooled Cr targets. It was demonstrated that deposition rates of Cr films increase and particle flow density on the substrate changes by target sublimation. Heat radiation of the hot target leads to more rapid heating of the substrate and this energy flux has a main contribution in enhancement of total energy flux density on the substrate (from 0.06 to 0.43 W/cm2). As consequence, energy per deposited atom increases in 5.8 times for the hot Cr target sputtering even taking into account higher deposition rates. Cr films deposited by the cooled target sputtering have a (110) crystal texture, columnar microstructure, low surface roughness (∼2.66 nm) and hardness from 13.8 to 14.2 GPa. In the case of the hot target sputtering, the competitive crystal growth of (110) and (200) directions is observed, microstructure of the Cr films is denser and homogeneous, grain size increases up to 200–300 nm and film surface becomes coarse (Ra ∼11.75 nm), hardness of the Cr films drops by a factor of about 2.

Original languageEnglish
Pages (from-to)479-485
Number of pages7
JournalVacuum
Volume143
DOIs
Publication statusPublished - 1 Sep 2017

Fingerprint

Chromium
Magnetron sputtering
chromium
magnetron sputtering
coatings
Coatings
Sputtering
Substrates
Fluxes
Deposition rates
sputtering
Hardness
hardness
flux density
Microstructure
Sublimation
Heat radiation
Crystallization
microstructure
Crystal growth

Keywords

  • Chromium film
  • Energy balance
  • Film properties
  • High deposition rate
  • Hot target sputtering

ASJC Scopus subject areas

  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films

Cite this

A comparative study on the properties of chromium coatings deposited by magnetron sputtering with hot and cooled target. / Sidelev, D. V.; Bleykher, G. A.; Bestetti, M.; Krivobokov, V. P.; Vicenzo, A.; Franz, S.; Brunella, M. F.

In: Vacuum, Vol. 143, 01.09.2017, p. 479-485.

Research output: Contribution to journalArticle

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