Electron Paramagnetic Resonance of Cr3+ Ions in ABO3 (A = Sc, In, Ga) Diamagnetic Crystals

A magnetic resonance method is applied to the investigation of a number of isostructural diamagnetic compounds ABO 3 (A = Sc, In, and Ga) with small additions of Cr 3+ ions ( S = 3/2) sufficient to observe single-ion and pair spectra. It is shown that the resonance spectra for isolated Cr 3+ ions ca...

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Bibliographic Details
Published inJournal of experimental and theoretical physics Vol. 127; no. 6; pp. 1067 - 1073
Main Authors Vorotynov, A. M., Rudenko, V. V., Ovchinnikov, S. G., Molokeev, M. S.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 2018
Springer Nature B.V
Subjects
Classical and Quantum Gravitation
Crystal lattices
Diamagnetism
Disorder
Electron paramagnetic resonance
Elementary Particles
Order
Particle and Nuclear Physics
Phase Transition in Condensed System
Physics
Physics and Astronomy
Quantum Field Theory
Relativity Theory
Solid State Physics
Trivalent chromium
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Summary:A magnetic resonance method is applied to the investigation of a number of isostructural diamagnetic compounds ABO 3 (A = Sc, In, and Ga) with small additions of Cr 3+ ions ( S = 3/2) sufficient to observe single-ion and pair spectra. It is shown that the resonance spectra for isolated Cr 3+ ions can be described to a good accuracy by the ordinary axial spin Hamiltonian for 3 d ions in octahedral oxygen environment. The parameters of the spin Hamiltonian are determined for single Cr 3+ ion and Cr 3+ –Cr 3+ pair. Lattice distorsions of the parent ABO 3 crystals caused by the Cr 3+ impurities is discussed.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776118120245