Characterization of calcium phosphate coatings doped with Mg, deposited by pulsed laser deposition technique using ArF excimer laser

Waldemar Mróz 1Marcin Jedyński 1Artur Prokopiuk 1Sylwia Burdyńska 1Anna Ślósarczyk 2Zofia Paszkiewicz 2

1. Military University of Technology, Institute of Optoelectronics (IOE), Kaliskiego 2, Warszawa 00-908, Poland
2. AGH University of Science and Technology (AGH), al. Mickiewicza 30, Kraków 30-059, Poland

Abstract

Calcium phosphate layers were deposited on Ti6Al4V substrates with TiN buffer layers by use of pulsed laser deposition method. With this technique three pressed pellets consisted of tricalcium phosphate (TCP – Ca3(PO4)2), hydroxyapatite (HA – Ca10(PO4)6(OH)2) and hydroxyapatite doped with magnesium ((Ca,Mg)3(PO4)2, 4% of Mg) were ablated using ArF excimer laser (l=193 nm). The using of different targets enabled to determine the influence of target composition on the nature of deposited layers. The obtained deposits were characterized by means of Fourier Transform Infrared Spectroscopy (FTIR) and X-ray diffraction method (XRD). The obtained Fourier spectras revealed that spectral bands corresponding to presence of absorbed H2O in obtained Mg-doped layer are weaker than in the other layers. The analysis from XRD showed that Mg-doped HA layer has crystalline structure and TCP and HA layers composition is characterized by amorphous nature.

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Presentation: Poster at E-MRS Fall Meeting 2007, Symposium J, by Marcin Jedyński
See On-line Journal of E-MRS Fall Meeting 2007

Submitted: 2007-04-24 12:26
Revised:   2009-06-07 00:44
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