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Magnetic Properties of Some Co‐Rich Erbium Cobalt Intermetallic Compounds
Author(s) -
Buschow K. H. J.,
Fast J. F.,
van der Goot A. S.
Publication year - 1968
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.19680290234
Subject(s) - ferrimagnetism , intermetallic , materials science , coercivity , curie temperature , magnetization , condensed matter physics , cobalt , lattice constant , anisotropy , saturation (graph theory) , magnetocrystalline anisotropy , atmospheric temperature range , erbium , analytical chemistry (journal) , magnetic anisotropy , thermodynamics , metallurgy , chemistry , magnetic field , doping , ferromagnetism , optics , physics , mathematics , alloy , chromatography , quantum mechanics , diffraction , optoelectronics , combinatorics
The magnetization for the ferrimagnetic compounds Er 2 Co 17 , ErCo 6 , and Er 2 Co 7 has been studied in the temperature range 4.2 to 1250 °K and at field strengths up to 30 kOe. The Curie temperatures and the saturation magnetizations at 4.2 °K have been determined. For all compounds a maximum has been observed in the magnetization versus temperature curves. Er 2 Co 7 shows a compensation point at 140 °K. For this compound changes in the crystalline anisotropy were observed near the compensation point. The values of the coercive force obtained by mortar grinding samples of Er 2 Co 17 , ErCo 6 , Er 2 Co 7 , and ErCo 3 are compared with the variation of the lattice parameters for these compounds.

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