Journal
APPLIED PHYSICS LETTERS
Volume 80, Issue 13, Pages 2338-2340Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1459484
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We report on measurements of electrical resistivity and determination of the Curie temperature of single-crystal epitaxial ferromagnetic SrRuO3 thin films under hydrostatic pressures up to 23 GPa. The SrRuO3 thin film was grown on vicinal (001) SrTiO3 substrate using 90degrees off-axis magnetron sputtering. At atmospheric pressure, the thin-film Curie temperature is about 150 K. To generate the high pressure, the Bridgman anvil technique was used. Up to 13 GPa, a linear decrease of the Curie temperature was observed at a rate of 5.9 K GPa(-1). Above 13 GPa, a striking saturation of the magnetic transition temperature at 77 K was observed. (C) 2002 American Institute of Physics.
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