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

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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.

Original languageEnglish
Pages (from-to)3600-3606
Number of pages7
JournalSurface and Coatings Technology
Volume205
Issue number12
DOIs
Publication statusPublished - 15 Mar 2011

Fingerprint

Phosphate coatings
calcium phosphates
Calcium phosphate
Durapatite
Hydroxyapatite
coatings
Coatings
Crystalline materials
Film growth
Magnetron sputtering
Erosion
erosion
radiant flux density
magnetron sputtering
direct current
Substrates
calcium phosphate

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

Cite this

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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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T1 - The influence of the deposition parameters on the properties of an rf-magnetron-deposited nanostructured calcium phosphate coating and a possible growth mechanism

AU - Surmenev, Roman A.

AU - Surmeneva, Maria A.

AU - Evdokimov, Kirill E.

AU - Pichugin, Vladimir F.

AU - Peitsch, Thorsten

AU - Epple, Matthias

PY - 2011/3/15

Y1 - 2011/3/15

N2 - 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.

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.

KW - Calcium phosphate

KW - Hydroxyapatite

KW - Implant materials

KW - Rf-magnetron sputtering

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JF - Surface and Coatings Technology

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