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  Magnetic moments of rare earth ions in a metallic environment

Steglich, F. (1977). Magnetic moments of rare earth ions in a metallic environment. Advances in solid state physics, 17, 319-350. doi:10.1007/BFb0107767.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-BF5E-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0019-BF5F-8
Genre: Journal Article

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Steglich, F.1, Author              
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 Abstract: Typical phenomena and current concepts of rare earth (RE) ions in metals are briefly reviewed. As an exemplary host, the superconductor LaAl 2 was chosen to delineate the magnetic behavior of the `normal' RE Gd and Tb and of the `ambivalent' RE Ce. Since magnetic interactions between RE ions are found to be extremely weak, relevant aspects of single ion behavior can be studied with high accuracy. The properties of the `normal' RE reflect the ferromagnetic exchange interaction with the conduction electrons and the coupling to the crystalline electric field (CF). The behavior of the `ambivalent' Ce is dominated by covalent mixing of the 4f states with the conduction band states. Modification of this interaction by lattice pressure, and its competition with CF effects and magnetic interactions are discussed.

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 Dates: 1977-07-07
 Publication Status: Published in print
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 Identifiers: ISI: 1137174
DOI: 10.1007/BFb0107767
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Title: Advances in solid state physics
Source Genre: Journal
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Publ. Info: Braunschweig : Vieweg
Pages: - Volume / Issue: 17 Sequence Number: - Start / End Page: 319 - 350 Identifier: ISSN: 1438-4329
CoNE: /journals/resource/111021564088000