Various Ca/P ratios of thin calcium phosphate films

In Seop Lee, Chung Nam Whang, Hyoun Ee Kim, Jong Chul Park, Jong Han Song, Soo Ryong Kim

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

Various Ca/P ratios of calcium phosphate films were formed by electron beam evaporation with and without simultaneous Ar ion bombardment. The Ca/P ratio of film was controlled by either using the evaporants having the different ratio of Ca/P with addition of CaO or increases in ion beam current. Without ion beam bombardments, the Ca/P ratio of film increased from 1.12 to 1.71 with addition of 25 wt.% CaO. The effect of ion beam assistance was also observed, and the ratio increased with ion beam current. The Ca/P ratio of the film was intimately related to the structure formed after heat treatment and the dissolution behavior. The films had the average bonding strength of 64.8 MPa that was much higher than the plasma sprayed hydroxyapatite coating layer. Calcium phosphate film showed beneficial effects on osteoblast cell attachment and proliferation.

Original languageEnglish
Pages (from-to)15-20
Number of pages6
JournalMaterials Science and Engineering C
Volume22
Issue number1
DOIs
Publication statusPublished - 2002 Oct 1

Fingerprint

calcium phosphates
Calcium phosphate
Ion beams
ion beams
beam currents
bombardment
osteoblasts
sprayed coatings
Osteoblasts
Durapatite
Ion bombardment
Hydroxyapatite
attachment
calcium phosphate
Electron beams
dissolving
Dissolution
Evaporation
heat treatment
Heat treatment

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Lee, In Seop ; Whang, Chung Nam ; Kim, Hyoun Ee ; Park, Jong Chul ; Song, Jong Han ; Kim, Soo Ryong. / Various Ca/P ratios of thin calcium phosphate films. In: Materials Science and Engineering C. 2002 ; Vol. 22, No. 1. pp. 15-20.
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Various Ca/P ratios of thin calcium phosphate films. / Lee, In Seop; Whang, Chung Nam; Kim, Hyoun Ee; Park, Jong Chul; Song, Jong Han; Kim, Soo Ryong.

In: Materials Science and Engineering C, Vol. 22, No. 1, 01.10.2002, p. 15-20.

Research output: Contribution to journalArticle

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AU - Lee, In Seop

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AB - Various Ca/P ratios of calcium phosphate films were formed by electron beam evaporation with and without simultaneous Ar ion bombardment. The Ca/P ratio of film was controlled by either using the evaporants having the different ratio of Ca/P with addition of CaO or increases in ion beam current. Without ion beam bombardments, the Ca/P ratio of film increased from 1.12 to 1.71 with addition of 25 wt.% CaO. The effect of ion beam assistance was also observed, and the ratio increased with ion beam current. The Ca/P ratio of the film was intimately related to the structure formed after heat treatment and the dissolution behavior. The films had the average bonding strength of 64.8 MPa that was much higher than the plasma sprayed hydroxyapatite coating layer. Calcium phosphate film showed beneficial effects on osteoblast cell attachment and proliferation.

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