Influence of annealing temperature on RF magnetron sputtered calcium phosphate coatings

Biomaterials
K van DijkJ A Jansen

Abstract

The effect of different annealing temperatures on the characteristics of thin calcium phosphate coatings fabricated by radiofrequency magnetron sputtering was studied. Annealing of the as-sputtered films was necessary to change the amorphous coating to a crystalline coating. The films were annealed for 2 and 4 h at 400, 600, 800, 1000 and 1200 degrees C under dry argon or argon and water vapour flow. After annealing, the structure and the chemical composition of these films were characterized with incident light microscopy, Rutherford backscattering spectrometry (RBS), X-ray diffraction (XRD), and Fourier transform infrared absorption spectrometry (FTIR). Incident light microscopy showed cracks in the coatings annealed at a higher temperature than 400 degrees C. RBS revealed that the as-sputtered coatings had a high Ca/P ratio which decreased with increasing annealing temperature. After annealing at a temperature of 600 degrees C or more the XRD showed crystalline hydroxyapatite (HA) coatings. However, the second phase, present in the coatings, changed from tetra-calcium phosphate to calcium oxide to beta-tri-calcium phosphate with increasing annealing temperature. FTIR measurements showed the existence of OH- and PO- bonds in ...Continue Reading

Citations

Oct 23, 1997·Journal of Biomedical Materials Research·M YoshinariJ A Jansen
Oct 17, 1998·Journal of Biomedical Materials Research·K van DijkJ A Jansen
Jan 24, 2007·Journal of Materials Science. Materials in Medicine·Naofumi OhtsuTakao Hanawa
Oct 31, 2007·Journal of Materials Science. Materials in Medicine·Bunyamin Aksakal, C Hanyaloglu
Mar 17, 2010·Journal of Materials Science. Materials in Medicine·Daniel J HadersRichard E Riman
Nov 26, 2010·Journal of Materials Science. Materials in Medicine·A R BoydP Kingshott
May 14, 2011·Journal of Materials Science. Materials in Medicine·J HaoS Kasugai
Jan 31, 2012·Journal of Materials Science. Materials in Medicine·George A BurkeBrian J Meenan
Nov 1, 2008·Dental Materials Journal·Xianwei MengKyo-Han Kim
Jun 29, 2015·Materials Science & Engineering. C, Materials for Biological Applications·Sergey V Dorozhkin
May 5, 2010·Acta Biomaterialia·C Moseke, U Gbureck
Dec 20, 2015·Bio-medical Materials and Engineering·K OzekiT Masuzawa
May 15, 2003·Journal of Biomedical Materials Research. Part a·Celaletdin ErgunWilliam Lanford
Feb 15, 2007·Clinical Oral Implants Research·Yan YonggangJohn A Jansen
Nov 20, 2013·Journal of Biomedical Materials Research. Part a·Mura M McCaffertyBrian J Meenan
Aug 26, 2009·Journal of Biomedical Materials Research. Part a·Zhendong HongJohn B Ketterson
Jun 25, 2010·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Dong-Soo ParkSoon-Jung Hwang
Dec 4, 2004·Biomaterials·Bastiaan FeddesJohn A Jansen
May 3, 2015·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Funda Ak AzemAlina Vladescu
Aug 1, 1997·Journal of Dental Research·M YoshinariT Dérand
Aug 15, 2003·Journal of Biomedical Materials Research. Part a·Xiong Lu, Yang Leng
Sep 17, 2004·Journal of Biomedical Materials Research. Part a·Silvia FoppianoAntoni P Tomsia
May 16, 2012·Journal of Periodontal & Implant Science·Ui-Won JungHee-Jin Kim
May 9, 2006·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Satoshi NakamuraKimihiro Yamashita
Aug 19, 2007·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Travis L BlalockAfsaneh Rabiei
Dec 7, 2005·Journal of Biomedical Materials Research. Part a·Yan YonggangJ A Jansen
Apr 11, 2006·Journal of Biomedical Materials Research. Part a·E S ThianW Bonfield
Feb 7, 2007·Journal of Biomedical Materials Research. Part a·Naofumi OhtsuTakao Hanawa
Dec 28, 2012·Science and Technology of Advanced Materials·Masahiro Okada, Tsutomu Furuzono
Feb 18, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Daniel Arcos, María Vallet-Regí
Sep 22, 2021·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Naofumi OhtsuYutaka Yoshida

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