title: PLD prepared bioactive BaTiO3films on TiNb implants.
abstract: BaTiO3(BTO) layers were deposited by pulsed laser deposition (PLD) on TiNb, Pt/TiNb, Si (100), and fused silica substrates using various deposition conditions. Polycrystalline BTO with sizes of crystallites in the range from 90nm to 160nm was obtained at elevated substrate temperatures of (600°C-700°C). With increasing deposition temperature above 700°C the formation of unwanted rutile phase prevented the growth of perovskite ferroelectric BTO. Concurrently, with decreasing substrate temperature below 500°C, amorphous films were formed. Post-deposition annealing of the amorphous deposits allowed obtaining perovskite BTO. Using a very thin Pt interlayer between the BTO films and TiNb substrate enabled high-temperature growth of preferentially oriented BTO. Raman spectroscopy and electrical characterization indicated polar ferroelectric behaviour of the BTO films.
authors: Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic; Czech Technical University in Prague, Faculty of Biomedical Engineering, nam. Sitna 3108, 212 01 Kladno, Czech Republic.
authors: Miroslav
authors: M
authors: Jelínek
authors: Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic.
authors: Přemysl
authors: P
authors: Vaněk
authors: Department of Materials Engineering, Faculty of Mechanical Engineering, Czech Technical University in Prague, Karlovo náměstí 13, 121 35 Prague 2, Czech Republic.
authors: Zdeněk
authors: Z
authors: Tolde
authors: Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic.
authors: Elena
authors: E
authors: Buixaderas
authors: Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic; Czech Technical University in Prague, Faculty of Biomedical Engineering, nam. Sitna 3108, 212 01 Kladno, Czech Republic.
authors: Tomáš
authors: T
authors: Kocourek
authors: Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic.
authors: Václav
authors: V
authors: Studnička
authors: Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic.
authors: Jan
authors: J
authors: Drahokoupil
authors: Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic.
authors: Jan
authors: J
authors: Petzelt
authors: Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic; Czech Technical University in Prague, Faculty of Biomedical Engineering, nam. Sitna 3108, 212 01 Kladno, Czech Republic.
authors: Jan
authors: J
authors: Remsa
authors: Microelectronics Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, Finland; Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Prague 8, Czech Republic.
authors: Marina
authors: M
authors: Tyunina
mesh_terms: D000497:Alloys / Q000737:chemistry*; D017609:Barium Compounds / Q000737:chemistry*; D001672:Biocompatible Materials / Q000737:chemistry*; D004560:Electricity; D004566:Electrodes; D007834:Lasers; D008855:Microscopy, Electron, Scanning; D009556:Niobium / Q000737:chemistry*; D019736:Prostheses and Implants; D012822:Silicon Dioxide / Q000737:chemistry; D013059:Spectrum Analysis, Raman; D014025:Titanium / Q000737:chemistry*; D014961:X-Ray Diffraction
chemical_list: D000497:Alloys; D017609:Barium Compounds; D001672:Biocompatible Materials; D009556:Niobium; C024547:barium titanate(IV); D012822:Silicon Dioxide; D014025:Titanium
keywords: BaTiO(3); Ferroelectricity; Implants; PLD; Thin films; TiNb