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Crystal Field and Metamagnetic Behavior of Rare‐Earth Orthoaluminates: DyAlO 3
Author(s) -
Kolmakova N. P.,
Krynetskii I. B.,
Lukina M. M.,
Mukhin A. A.
Publication year - 1990
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.2221590232
Subject(s) - condensed matter physics , hamiltonian (control theory) , crystal (programming language) , field (mathematics) , rare earth , metamagnetism , ground state , ion , materials science , physics , crystallography , chemistry , atomic physics , magnetic field , mineralogy , quantum mechanics , magnetization , mathematics , mathematical optimization , computer science , pure mathematics , programming language
The 15 crystal field parameters of a C s ‐symmetry Hamiltonian are determined for the Dy 3+ ion in DyAlO 3 by fitting the temperature dependences of susceptibility along the three crystal axes, Stark splittings, and the g‐tensor to the values observed. Metamagnetic transitions are investigated for various directions of the field in the ab plane between T = 1.52 and T N = 3.52 K. The metamagnetic behavior of DyAlO 3 is in accordance with the character of the Dy 3+ ground state, determined by our crystal field data.