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XAS Characterization of Growth Parameter Effects for Pulsed Laser Deposited CoxTi1xO2 Films
2005
Physica Scripta
Preserved Fulltext
Films of cobalt-doped titanium dioxide (Co x Ti 1-x O 2-) can be stabilized in the thermodynamically unfavorable anatase phase if they are grown on appropriate substrates. We performed X-ray Absorption Spectroscopy (XAS) measurements at the oxygen, titanium, and cobalt edges of PLD grown samples. Our data shows the success of this substrate-induced stabilization of the anatase phase occurs only at elevated temperatures (∼700 • C or more) and elevated oxygen partial pressures (∼1 × 10 −5 Torr or
doi:10.1238/physica.topical.115a00623
fatcat:74b6qfmj25cfpkgcyvqcu2pree