作者: A. J. Kurtzig , R. Wolfe , R. C. LeCraw , J. W. Nielsen
DOI: 10.1063/1.1652682
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摘要: Ferric fluoride (FeF3) is a transparent green uniaxial weak ferromagnet (canted antiferromagnet) with Curie temperature of 365 °K. FeF3 far more in the visible and uv than any other known material which has spontaneous magnetic moment at room temperature. 6 absorption bands between 7000 A band edge 2440 A. There local minimum α = 4.4 cm−1 5225 The Faraday rotation 180 °/cm increases to 1100 3000 birefringent phase retardation 5200 about 80 000 °/cm. two indices refraction are 1.54 spectrum.