Materials of the International Seminar of the Institute of Spectroscopy of the Russian Academy of Sciences (ISAN), dedicated to the anniversary of Professor M.N. Popova

High-resolution spectroscopy of crystals containing transition metal ions (review)

M. N. Popova

Institute of Spectroscopy, Russian Academy of Sciences, 108840 Troitsk, Moscow, Russia

Abstract: A brief review of studies of crystals containing metal ions with unfilled $f$- or $d$-shells, made in the Institute of Spectroscopy of the Russian Academy of Sciences by high-resolution Fourier spectroscopy, is given. The main directions of study include hyperfine structure in spectra, isotopic effects, the role of random deformations, phase transition spectroscopy, low-dimensional magnets, coupled electron-phonon excitations.

Keywords: high-resolution Fourier spectroscopy, crystals with $f$- and $d$-ions, hyperfine structure, isotope effects, phase transitions.

Received: 03.09.2021
Revised: 03.09.2021
Accepted: 10.09.2021

DOI: 10.21883/OS.2022.01.51882.43-21

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