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Critical behavior of epitaxial half-metallic ferromagnetic CrO2 films -: art. no. 092403

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PHYSICAL REVIEW B
卷 63, 期 9, 页码 -

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AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.63.092403

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Critical behavior of the epitaxial CrO2 film, a half metallic ferromagnet, has been determined by magnetometry with the magnetic field along the uniaxial anisotropy axis. The critical temperature has been determined to be T-C = 386.50+/-0.05 K. The critical exponents of beta =0.371+/-0.005 and gamma =1.43+/-0.01 indicate that CrO2 is a Heisenberg ferromagnet.

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