Abstract
A variety of relatively transparent materials containing Eu+ + have become available, thus enabling a study to be made of the magneto-optical properties of the Eu+ + ion in widely different environments. The following materials are reviewed: Eu2SiO4 (orthorhombic structure with a ferromagnetic Curie temperature Tc of 7°K), dilute Eu+ + in CaF2 (fluorite structure), EuF2 (fluorite structure, Tc≈0), EuO−Al2O3−B2O3 glasses (Tc=0), EuSe (NaCl structure, Tc=7°K), and EuO (NaCl structure, Tc=69°K). We discuss the magneto-optical properties of the ``nonmagnetic'' materials (CaF2: Eu+ +, EuF2, Eu glasses) in terms of an intra-atomic 4f7→4f65d transition. Using this transition, calculation of the Faraday and Cotton-Mouton birefringence in EuF2 gives reasonable agreement with experiment. The magneto-optical properties of the ``magnetic materials'' (Eu chalcogenides) are discussed in terms of an interatomic (4f7) (4f7) → (4f6) (4f75d) transition. This transition gives reasonable agreement with the observed magnitudes of the magnetic absorption edge shifts in EuSe and EuO.
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Dates
Type | When |
---|---|
Created | 20 years, 4 months ago (April 22, 2005, 1:06 p.m.) |
Deposited | 1 year, 7 months ago (Feb. 4, 2024, midnight) |
Indexed | 3 months ago (June 6, 2025, 12:18 a.m.) |
Issued | 59 years, 6 months ago (March 1, 1966) |
Published | 59 years, 6 months ago (March 1, 1966) |
Published Print | 59 years, 6 months ago (March 1, 1966) |
@article{Suits_1966, title={Magneto-Optical Properties of Materials Containing Divalent Europium}, volume={37}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1708486}, DOI={10.1063/1.1708486}, number={3}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Suits, J. C. and Argyle, B. E. and Freiser, M. J.}, year={1966}, month=mar, pages={1391–1397} }