MAGNETO-OPTICAL PROPERTIES OF A GREEN ROOM-TEMPERATURE FERROMAGNET: FeBO3
- 1 June 1969
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 14 (11) , 350-352
- https://doi.org/10.1063/1.1652682
Abstract
Iron borate (FeBO3) is a transparent, green, uniaxial, canted antiferromagnet with a Curie temperature of 348°K. The optical absorption in the samples observed has a local minimum of 39 cm−1 in the green (5250 Å). The Faraday rotation at 5250 Å is 2300° per cm. The phase retardation associated with the uniaxial birefringence is about 4 × 105 per cm and the two indices of refraction are about 2.1 for the visible spectrum.Keywords
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