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Title

Magnetic behavior of epitaxial SrRuO3 thin films under pressure up to 23 GPa

Authors
Demuer, A.
Lee, M. K.
Eom, C. B.
Published in Applied Physics Letters. 2002, vol. 80, no. 13, p. 2338
Abstract 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 90° 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 KGPa-1. Above 13 GPa, a striking saturation of the magnetic transition temperature at 77 K was observed.
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LE MARREC, Françoise et al. Magnetic behavior of epitaxial SrRuO3 thin films under pressure up to 23 GPa. In: Applied Physics Letters, 2002, vol. 80, n° 13, p. 2338. https://archive-ouverte.unige.ch/unige:35753

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Deposited on : 2014-04-15

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