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Browsing by Author "Chukalina E."

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Crystal field and exchange interactions in the SmFe3(BO 3)4 multiferroic

Popova M.; Chukalina E.; Malkin B.; Erofeev D.; Bezmaternykh L.; Gudim I. (2014)

The optical spectra of oriented SmFe3(BO3) 4 single crystals are studied in the region of the f-f transitions in the Sm3+ ion by Fourier spectroscopy. The energies, the symmetry properties, and the exchange splittings of ...
Crystal field and magnetic ordering in the Haldane-chain compound Er 2BaNiO5 as studied by optical spectroscopy

Popova M.; Klimin S.; Chukalina E.; Levitin R.; Mill B.; Malkin B.; Antic-Fidancev E. (2004)

High-resolution absorption spectra of the chain compound Er 2BaNiO5 were measured in a wide range of frequencies (6000-20,000 cm-1) and temperatures (2.5-300 K). Energies of 38 crystal-field levels of Er3+ in a paramagnetic ...
Experimental and theoretical study of the crystal-field levels and hyperfine and electron-phonon interactions in LiYF4:Er3+

Popova M.; Chukalina E.; Malkin B.; Saikin S. (2000)

We have measured high resolution absorption spectra for the 4I15/2→4I13/2, 4I11/2 infrared transitions of Er3+ ions in LiYF4. Positions of crystal-field levels and their widths were precisely determined and analyzed. ...
Fine structure of spectral lines in LiYF4:Er3+ due to isotopic disorder in the lattice

Chukalina E.; Popova M.; Korableva S.; Abdulsabirov R. (2000)

We report the first observation of the resolved structure in the 4I(15/2) → 4I(13/2) infrared transition of LiYF4:Er caused by lithium isotopes of the lattice. Isotope shifts Of 0.019 and 0.016 cm-1 and inhomogeneous ...
High-resolution optical spectroscopy investigation of Nd 2BaNiO 5 and Nd 0.1Y 1.9BaNiO 5 and crystal-field parameters for rare-earth linear-chain nickelates

Popova M.; Klimin S.; Chukalina E.; Romanov E.; Malkin B.; Antic-Fidancev E.; Mill B.; Dhalenne G. (2005)

High-resolution spectroscopy of Nd 3+ in Nd 2BaNiO 5 and Y 2BaNiO 5:Nd(5%) powder samples is used to study Nd 3+ crystal-field levels and exchange splittings in these quasi-one-dimensional model compounds. We demonstrate ...
High-resolution spectral study of Er3+ crystal-field levels and magnetic ordering in (ErxY1-x)2BaNiO 5 chain compounds

Popova M.; Klimin S.; Chukalina E.; Malkin B.; Levitin R.; Mill B.; Antic-Fidancev E. (2003)

A family of linear chain nickelates (ErxY1-x) 2BaNiO5 (x = 1, 0.8, 0.6, 0.4, 0.2, and 0.1) was studied by high-resolution spectroscopy of the Er3+ ion. Energies of 38 crystal-field levels of Er3+ and exchange splittings ...
High-resolution spectroscopy, crystal-field calculations, and quadrupole helix chirality of DyFe<inf>3</inf>(BO<inf>3</inf>)<inf>4</inf>

Popova M.; Malkin B.; Stanislavchuk T.; Chukalina E.; Boldyrev K.; Gudim I. (2017)

© The Authors, published by EDP Sciences. High-resolution polarized transmission spectra of Dy Fe 3 (BO 3 ) 4 single crystals were investigated in broad spectral (10-23000 cm -1 ) and temperature (3.5-300 K) ranges. Energies ...
High-resolution spectroscopy, crystal-field calculations, and quadrupole helix chirality of DyFe<inf>3</inf>(BO<inf>3</inf>)<inf>4</inf>

Popova M.; Malkin B.; Stanislavchuk T.; Chukalina E.; Boldyrev K.; Gudim I. (2016)

© The Authors, published by EDP Sciences.High-resolution polarized transmission spectra of Dy Fe3(BO3)4 single crystals were investigated in broad spectral (10-23000 cm-1) and temperature (3.5-300 K) ranges. Energies of ...
Holmium iron borate: High-resolution spectroscopy and crystal-field parameters

Erofeev D.; Chukalina E.; Popova M.; Malkin B.; Bezmaternykh L.; Gudim I. (2017)

© The Authors, published by EDP Sciences. High-resolution transmission spectra of HoFe3(BO3)4 single crystals were measured in broad spectral (5000-23000 cm -1 ) and temperature (1.7-300 K) ranges. Crystal-field energies ...
Holmium iron borate: High-resolution spectroscopy and crystal-field parameters

Erofeev D.; Chukalina E.; Popova M.; Malkin B.; Bezmaternykh L.; Gudim I. (2016)

© The Authors, published by EDP Sciences.High-resolution transmission spectra of HoFe3(BO3)4 single crystals were measured in broad spectral (5000-23000 cm-1) and temperature (1.7-300 K) ranges. Crystal-field energies of ...
Hyperfine interactions of Ho3 + ions in KY 3F 10: Electron paramagnetic resonance and optical spectroscopy studies

Pytalev D.; Chukalina E.; Popova M.; Shakurov G.; Malkin B.; Korableva S. (2012)

We use high-frequency electron paramagnetic resonance (EPR) and high-resolution optical Fourier spectroscopies to characterize hyperfine interactions of the impurity Ho3 + ions in KY 3F 10 crystals. Well-resolved hyperfine ...
Isotope shifts in the spectra of LiLuF4:Ho3+ crystals due to the isotopic disorder in the lithium sublattice

Popova M.; Klimin S.; Chukalina E.; Zhizhin G.; Korableva S.; Abdulsabirov R. (2004)

The isotope shifts of lines in the spectra of the LiLuF4:Ho 3+ crystal in the range of the transitions 5I8 → 5I7, 5I6, and 5I5 caused by the isotopic disorder with respect to lithium are measured. The shifts of different ...
Optical spectra, crystal-field parameters, and magnetic susceptibility of multiferroic Nd Fe3 (B O3) 4

Popova M.; Chukalina E.; Stanislavchuk T.; Malkin B.; Zakirov A.; Antic-Fidancev E.; Popova E.; Bezmaternykh L.; Temerov V. (2007)

We report high-resolution optical absorption spectra for Nd Fe3 (B O3) 4 trigonal single crystal, which is known to exhibit a giant magnetoelectric effect below the temperature of magnetic ordering TN =33 K. The analysis ...
Optical spectroscopy of Yb2Ti2O7 and Y2Ti2O7: Yb3+ and crystal-field parameters in rare-earth titanate pyrochlores

Malkin B.; Zakirov A.; Popova M.; Klimin S.; Chukalina E.; Antic-Fidancev E.; Goldner P.; Aschehoug P.; Dhalenne G. (2004)

Optical absorption spectra of the Yb2Ti2O7 single crystals and luminescence spectra of the Y2Ti 2O7:Yb (1%) polycrystalline samples were registered at temperatures 4.2-300 K. These spectra and earlier published data on ...
Random strain effects in optical and EPR spectra of electron-nuclear excitations in CaWO4:Ho3+ single crystals

Shakurov G.; Chukalina E.; Popova M.; Malkin B.; Tkachuk A. (2014)

© the Partner Organisations 2014. We study paramagnetic Ho3+ centers in CaWO4, a promising material for applications in quantum electronics and quantum information devices. Oriented single crystals with nominal holmium ...
Self-Consistent Four-Particle Cluster Model of Fe<sup>3+</sup> Heisenberg Chains: Spectral and Magnetic Properties of YFe<inf>3</inf>(BO<inf>3</inf>)<inf>4</inf> Crystals

Malkin B.; Popova E.; Chukalina E.; Jablunovskis A.; Popova M. (2019)

© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim The magnetic properties of antiferromagnetic quasi-1D YFe3(BO3)4 crystals are studied based on the analysis of the measured optical spectra of the Fe3+ ions in different ...
Spectroscopy of f-f transitions, crystal-field calculations, and magnetic and quadrupole helix chirality in DyF e3(B O3)4

Popova M.; Chukalina E.; Boldyrev K.; Stanislavchuk T.; Malkin B.; Gudim I. (2017)

© 2017 American Physical Society.We present the results of temperature- and polarization-dependent high-resolution optical spectroscopy studies of DyFe3(BO3)4 performed in spectral ranges 40-300cm-1 and 3000-23000cm-1. The ...
Stark structure of the Yb3+ ion levels in (YbxY 1-x)2Ti2O7 and the crystal field in rare-earth titanates with a pyrochlore structure

Klimin S.; Popova M.; Chukalina E.; Malkin B.; Zakirov A.; Antic-Fidancev E.; Goldner P.; Aschehoug P.; Dhalenne G. (2005)

The absorption spectra of Yb2Ti2O7 single crystals and the luminescence and luminescence excitation spectra of Y 2Ti2O7: Yb (1%) polycrystals were studied in the temperature range 4.2-300 K. The spectra were analyzed in ...

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Browsing by Author "Chukalina E."

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