The influence of the deposition parameters on the properties of an rf-magnetron-deposited nanostructured calcium phosphate coating and a possible growth mechanism

Abstract

The deposition of a biocompatible calcium phosphate coating on the surface of materials for biomedical implants by rf-magnetron sputtering is reported. The deposition parameters to prepare either stoichiometric crystalline hydroxyapatite or amorphous calcium phosphate coating with a molar Ca/P ratio from 1.53 to 3.88 were established. Crystalline hydroxyapatite coating with a Ca/P ratio of 1.60±0.07 can be deposited if the rf-power density is 0.49W cm^-2 and if the samples are arranged within the area of the target erosion zone. A thorough investigation of the influence of rf-power, DC-bias on the substrate, deposition time on the properties of the calcium phosphate coating allowed to formulate a mechanism for the film growth.

Original language	English
Pages (from-to)	3600-3606
Number of pages	7
Journal	Surface and Coatings Technology
Volume	205
Issue number	12
DOIs	https://doi.org/10.1016/j.surfcoat.2010.12.039
Publication status	Published - 15 Mar 2011

Keywords

Calcium phosphate
Hydroxyapatite
Implant materials
Rf-magnetron sputtering

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Materials Chemistry
Surfaces, Coatings and Films
Surfaces and Interfaces

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10.1016/j.surfcoat.2010.12.039

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The influence of the deposition parameters on the properties of an rf-magnetron-deposited nanostructured calcium phosphate coating and a possible growth mechanism. / Surmenev, Roman A.; Surmeneva, Maria A.; Evdokimov, Kirill E.; Pichugin, Vladimir F.; Peitsch, Thorsten; Epple, Matthias.

In: Surface and Coatings Technology, Vol. 205, No. 12, 15.03.2011, p. 3600-3606.

Research output: Contribution to journal › Article › peer-review

Surmenev, Roman A. ; Surmeneva, Maria A. ; Evdokimov, Kirill E. ; Pichugin, Vladimir F. ; Peitsch, Thorsten ; Epple, Matthias. / The influence of the deposition parameters on the properties of an rf-magnetron-deposited nanostructured calcium phosphate coating and a possible growth mechanism. In: Surface and Coatings Technology. 2011 ; Vol. 205, No. 12. pp. 3600-3606.

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abstract = "The deposition of a biocompatible calcium phosphate coating on the surface of materials for biomedical implants by rf-magnetron sputtering is reported. The deposition parameters to prepare either stoichiometric crystalline hydroxyapatite or amorphous calcium phosphate coating with a molar Ca/P ratio from 1.53 to 3.88 were established. Crystalline hydroxyapatite coating with a Ca/P ratio of 1.60±0.07 can be deposited if the rf-power density is 0.49W cm-2 and if the samples are arranged within the area of the target erosion zone. A thorough investigation of the influence of rf-power, DC-bias on the substrate, deposition time on the properties of the calcium phosphate coating allowed to formulate a mechanism for the film growth.",

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author = "Surmenev, {Roman A.} and Surmeneva, {Maria A.} and Evdokimov, {Kirill E.} and Pichugin, {Vladimir F.} and Thorsten Peitsch and Matthias Epple",

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AU - Surmeneva, Maria A.

AU - Evdokimov, Kirill E.

AU - Pichugin, Vladimir F.

AU - Peitsch, Thorsten

AU - Epple, Matthias

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AB - The deposition of a biocompatible calcium phosphate coating on the surface of materials for biomedical implants by rf-magnetron sputtering is reported. The deposition parameters to prepare either stoichiometric crystalline hydroxyapatite or amorphous calcium phosphate coating with a molar Ca/P ratio from 1.53 to 3.88 were established. Crystalline hydroxyapatite coating with a Ca/P ratio of 1.60±0.07 can be deposited if the rf-power density is 0.49W cm-2 and if the samples are arranged within the area of the target erosion zone. A thorough investigation of the influence of rf-power, DC-bias on the substrate, deposition time on the properties of the calcium phosphate coating allowed to formulate a mechanism for the film growth.

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KW - Rf-magnetron sputtering

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