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Browsing by Author "Boldyrev K."

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Direct observation of hyperfine level anticrossings in the optical spectra of a LiYF4 7:Ho3+ single crystal

Boldyrev K.; Popova M.; Malkin B.; Abishev N. (2019)

© 2019 American Physical Society. We have investigated the hyperfine structure in high-resolution broadband optical absorption spectra of a strongly diluted paramagnet LiYF47:Ho3+ (0.1 at. %) in external magnetic fields ...
Distribution function of random strains in an elastically anisotropic continuum and defect strengths of T m3+ impurity ions in crystals with zircon structure

Malkin B.; Abishev N.; Baibekov E.; Pytalev D.; Boldyrev K.; Popova M.; Bettinelli M. (2017)

© 2017 American Physical Society. We construct a distribution function of the strain-tensor components induced by point defects in an elastically anisotropic continuum, which can be used to account quantitatively for many ...
Evidence for a collinear easy-plane magnetic structure of multiferroic EuF e3(B O3)4: Spectroscopic and theoretical studies

Popova M.; Malkin B.; Boldyrev K.; Stanislavchuk T.; Erofeev D.; Temerov V.; Gudim I. (2016)

© 2016 American Physical Society.We performed high-resolution polarized optical transmission spectroscopy and theoretical studies of multiferroic EuFe3(BO3)4 single crystals in the three phases: paramagnetic R32(T>Ts=84K) ...
FTIR study of thermally induced magnetostructural transitions in breathing crystals

Veber S.; Suturina E.; Fedin M.; Boldyrev K.; Maryunina K.; Sagdeev R.; Ovcharenko V.; Gritsan N.; Bagryanskaya E. (2015)

© 2015 American Chemical Society. "Breathing crystals" based on copper(II) hexafluoroacetylacetonates and pyrazolyl-substituted nitronyl nitroxides comprise the exchange-coupled clusters within the polymeric chains. Owing ...
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 ...
Phase transitions and exchange interactions in the SmCr3(BO3)4 crystal

Dobretsova E.; Boldyrev K.; Popova M.; Gavrilkin S.; Mukhin A.; Ivanov V.; Mal'tsev V.; Leonyuk N.; Malkin B. (2017)

© The Authors, published by EDP Sciences. Spectroscopic investigation and specific heat and magnetic susceptibility measurements of SmCr 3 (BO 3 ) 4 crystals were performed. The spectra of the Sm 3+ and Cr 3+ ions in ...
Phase transitions and exchange interactions in the SmCr3(BO3)4 crystal

Dobretsova E.; Boldyrev K.; Popova M.; Gavrilkin S.; Mukhin A.; Ivanov V.; Mal'tsev V.; Leonyuk N.; Malkin B. (2016)

© The Authors, published by EDP Sciences.Spectroscopic investigation and specific heat and magnetic susceptibility measurements of SmCr3(BO3)4 crystals were performed. The spectra of the Sm3+ and Cr3+ ions in samarium ...
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 ...

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Browsing by Author "Boldyrev K."

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