Exchange and crystal fields in R sub 2 Fe sub 14 B studied by inelastic neutron scattering (invited)

Journal Article · Fri Nov 15 04:00:00 EST 1991 · Journal of Applied Physics; (United States)

DOI:https://doi.org/10.1063/1.350091· OSTI ID:5191840

Loewenhaupt, M ^[1]; Sosnowska, I ^[2]

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1. Institut fuer Festkoerperforschung, Forschungszentrum Juelich GmbH, D-5170 Juelich (Germany) MSD, Argonne National Laboratory, Argonne, Illinois (USA)
2. Institute of Experimental Physics, Warsaw University, PL-00681 Warsaw (Poland)

Exchange and crystal fields (CF) acting on {ital R}{sup 3+} ions in {ital R}{sub 2}Fe{sub 14}B were investigated by means of inelastic magnetic neutron scattering. Experimental data for {ital R}=Pr, Nd, Gd, Tb, Dy, Ho, Er, and Tm are reviewed. Molecular fields {ital H} acting on {ital R} ions are calculated using neutron-scattering data for the CF models proposed earlier for these compounds based on single-crystal magnetization measurements. For Gd{sub 2}Fe{sub 14}B the molecular field acting on the Gd{sup 3+} ions was directly determined by inelastic neutron scattering as 2{mu}{sub {ital B}H{ital m}}/{ital k}{sub {ital B}} = 435 K.

• OSTI ID: 5191840
• Journal Information: Journal of Applied Physics; (United States), Journal Name: Journal of Applied Physics; (United States) Vol. 70:10; ISSN 0021-8979; ISSN JAPIA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
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