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Ground State of the Gd 3+ Ion in MF 2 Single Crystals under the Influence of an External Static Electric Field
Author(s) -
Guskos N.
Publication year - 1989
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.2221530125
Subject(s) - electric field , ion , superposition principle , hamiltonian (control theory) , atomic physics , physics , ground state , field (mathematics) , crystal (programming language) , condensed matter physics , single crystal , chemistry , nuclear magnetic resonance , quantum mechanics , mathematics , mathematical optimization , pure mathematics , computer science , programming language
The quadratic electric field effect for cubic Gd 3+ centers in MF 2 single crystals is discussed in terms of the quasimolecular and superposition model. Very high electric fields (above 300 kV/cm) are required to observe this effect. Zero‐field splitting of Gd 3+ ions in the crystal field is also discussed. It is shown that these models interpret the changes in the induced B   2 0spin‐Hamiltonian parameter consistently.

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