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Publication
Physical Review B - CMMP
Paper
Critical behavior of epitaxial half-metallic ferromagnetic CrO2 films
Abstract
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 TC = 386.50 ± 0.05K. The critical exponents of β = 0.371 ± 0.005 and γ = 1.43 ± 0.01 indicate that CrO2 is a Heisenberg ferromagnet. © 2001 The American Physical Society.