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19 results on '"Zvereva E"'

3. Hidden magnetic order in the triangular-lattice magnet Li2MnTeO6

Author

Zvereva, E. A., primary, Raganyan, G. V., additional, Vasilchikova, T. M., additional, Nalbandyan, V. B., additional, Gafurov, D. A., additional, Vavilova, E. L., additional, Zakharov, K. V., additional, Koo, H.-J., additional, Pomjakushin, V. Yu., additional, Susloparova, A. E., additional, Kurbakov, A. I., additional, Vasiliev, A. N., additional, and Whangbo, M.-H., additional

Published
2020
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4. Co(NO3)2 as an inverted umbrella-type chiral noncoplanar ferrimagnet

Author

Danilovich, I. L., primary, Deeva, E. B., additional, Bukhteev, K. Y., additional, Vorobyova, A. A., additional, Morozov, I. V., additional, Volkova, O. S., additional, Zvereva, E. A., additional, Maximova, O. V., additional, Solovyev, I. V., additional, Nikolaev, S. A., additional, Phuyal, D., additional, Abdel-Hafiez, M., additional, Wang, Y. C., additional, Lin, J.-Y., additional, Chen, J. M., additional, Gorbunov, D. I., additional, Puzniak, K., additional, Lake, B., additional, and Vasiliev, A. N., additional

Published
2020
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5. Magnetism and the phase diagram of MnSb2O6

Author

Koo, C., primary, Werner, J., additional, Tzschoppe, M., additional, Abdel-Hafiez, M., additional, Biswas, P. K., additional, Sarkar, R., additional, Klauss, H.-H., additional, Raganyan, G. V., additional, Ovchenkov, E. A., additional, Nikulin, A. Yu., additional, Vasiliev, A. N., additional, Zvereva, E. A., additional, and Klingeler, R., additional

Published
2018
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6. Interplay of rare-earth and transition-metal subsystems inCu3Yb(SeO3)2O2Cl

Author

Markina, M. M., primary, Zakharov, K. V., additional, Ovchenkov, E. A., additional, Berdonosov, P. S., additional, Dolgikh, V. A., additional, Kuznetsova, E. S., additional, Olenev, A. V., additional, Klimin, S. A., additional, Kashchenko, M. A., additional, Budkin, I. V., additional, Yatsyk, I. V., additional, Demidov, A. A., additional, Zvereva, E. A., additional, and Vasiliev, A. N., additional

Published
2017
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9. Magnetic, resonance, and optical properties ofCu3Sm(SeO3)2O2Cl: A rare-earth francisite compound

Author

Zakharov, K. V., primary, Zvereva, E. A., additional, Markina, M. M., additional, Stratan, M. I., additional, Kuznetsova, E. S., additional, Dunaev, S. F., additional, Berdonosov, P. S., additional, Dolgikh, V. A., additional, Olenev, A. V., additional, Klimin, S. A., additional, Mazaev, L. S., additional, Kashchenko, M. A., additional, Ahmed, Md. A., additional, Banerjee, A., additional, Bandyopadhyay, S., additional, Iqbal, A., additional, Rahaman, B., additional, Saha-Dasgupta, T., additional, and Vasiliev, A. N., additional

Published
2016
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10. 1/3 magnetization plateau and frustrated ferrimagnetism in a sodium iron phosphite

Author

Vasiliev, A. N., primary, Volkova, O. S., additional, Zvereva, E. A., additional, Ovchenkov, E. A., additional, Munaò, I., additional, Clark, L., additional, Lightfoot, P., additional, Vavilova, E. L., additional, Kamusella, S., additional, Klauss, H.-H., additional, Werner, J., additional, Koo, C., additional, Klingeler, R., additional, and Tsirlin, A. A., additional

Published
2016
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11. Zigzag antiferromagnetic quantum ground state in monoclinic honeycomb lattice antimonatesA3Ni2SbO6(A=Li,Na)

Author

Zvereva, E. A., primary, Stratan, M. I., additional, Ovchenkov, Y. A., additional, Nalbandyan, V. B., additional, Lin, J.-Y., additional, Vavilova, E. L., additional, Iakovleva, M. F., additional, Abdel-Hafiez, M., additional, Silhanek, A. V., additional, Chen, X.-J., additional, Stroppa, A., additional, Picozzi, S., additional, Jeschke, H. O., additional, Valentí, R., additional, and Vasiliev, A. N., additional

Published
2015
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13. Thermodynamic properties, electron spin resonance, and underlying spin model inCu3Y(SeO3)2O2Cl

Author

Zakharov, K. V., primary, Zvereva, E. A., additional, Berdonosov, P. S., additional, Kuznetsova, E. S., additional, Dolgikh, V. A., additional, Clark, L., additional, Black, C., additional, Lightfoot, P., additional, Kockelmann, W., additional, Pchelkina, Z. V., additional, Streltsov, S. V., additional, Volkova, O. S., additional, and Vasiliev, A. N., additional

Published
2014
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16. Magnetic, resonance, and optical properties of Cu3Sm(SeO3)2O2Cl: A rare-earth francisite compound.

Author

Zakharov, K. V., Zvereva, E. A., Markina, M. M., Stratan, M. I., Kuznetsova, E. S., Dunaev, S. F., Berdonosov, P. S., Dolgikh, V. A., Olenev, A. V., Klimin, S. A., Mazaev, L. S., Kashchenko, M. A., Ahmed, Md. A., Banerjee, A., Bandyopadhyay, S., Iqbal, A., Rahaman, B., Saha-Dasgupta, T., and Vasiliev, A. N.

Subjects
*OPTICAL properties of metals, *RARE earth metals, *MAGNETIZATION
Abstract

In this combined experimental and theoretical paper, we study the properties of Cu3Sm(SeO3)2O2Cl belonging to the francisite family of compounds, which are novel frustrated layered compounds. Cu3Sm(SeO3)2O2Cl is synthesized through a solid state reaction. Characterizations through measurements of magnetization, specific heat, X-band electron spin resonance, and rare-earth optical spectroscopy, establish that the compound orders antiferromagnetically at TN=35K and undergoes a spin-reorientation phase transition at TC=8.5K due to the interplay of anisotropies in transition metal and rare-earth subsystems. The ground state Kramers doublet of Sm is found to split only at T

Published
2016
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17. Interplay of rare-earth and transition-metal subsystems in Cu3Yb(SeO3)2O2Cl.

Author

Markina, M. M., Zakharov, K. V., Ovchenkov, E. A., Berdonosov, P. S., Dolgikh, V. A., Kuznetsova, E. S., Olenev, A. V., Klimin, S. A., Kashchenko, M. A., Budkin, I. V., Yatsyk, I. V., Demidov, A. A., Zvereva, E. A., and Vasiliev, A. N.

Subjects
*RARE earth metals, *COPPER compounds, *TRANSITION metal compounds
Abstract

We present the synthesis and the experimental and theoretical study of the new member of the francisite family, Cu3Yb(SeO3)2O2Cl. The compound reaches an antiferromagnetic order at TN=36.7K and experiences first-order spin-reorientation transition to weakly ferromagnetic phase at TR=8.7K evidenced in specific heat Cp and magnetic susceptibility χ measurements. Distinctly different magnetization loops in T

Published
2017
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18. Zigzag spin structure in layered honeycomb Li3Ni2SbO6: A combined diffraction and antiferromagnetic resonance study.

Author

Kurbakov, A. I., Korshunov, A. N., Podchezertsev, S. Yu., Malyshev, A. L., Evstigneeva, M. A., Damay, F., Park, J., Koo, C., Klingeler, R., Zvereva, E. A., and Nalbandyan, V. B.

Subjects
*ANTIFERROMAGNETISM, *LITHIUM compounds, *RESONANCE
Abstract

The magnetic structure of Li3Ni2SbO6 has been determined by low-temperature neutron diffraction, and the crystal structure has been refined by a combination of synchrotron and neutron powder diffraction. The monoclinic (C2/m) symmetry, assigned previously to this pseudohexagonal layered structure, has been unambiguously proven by peak splitting in the synchrotron diffraction pattern. The structure is based on essentially hexagonal honeycomb-ordered Ni2SbO6 layers alternating with Li3 layers, all cations and anions being in an octahedral environment. The compound orders antiferromagnetically below TN = 15 K, with the magnetic supercell being a 2a × 2b multiple of the crystal cell. The magnetic structure within the honeycomb layer consists of zigzag ferromagnetic spin chains coupled antiferromagnetically. The ordered magnetic moment amounts to 1.62 (2) µ B/Ni, which is slightly lower than the full theoretical value. Upon cooling below TN, the spins tilt from the c axis, with a maximum tilting angle of 15.6° at T = 1.5 K. Our data imply non-negligible ferromagnetic interactions between the honeycomb layers. The observed antiferromagnetic resonance modes are in agreement with the two-sublattice model derived from the neutron data. Orthorhombic anisotropy shows up in zero-field splitting of Δ = 198 ± 4 and 218 ± 4 GHz. Above TN, the electron spin resonance data imply short-range antiferromagnetic order up to about 80 K. [ABSTRACT FROM AUTHOR]

Published
2017
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19. Magnetic anisotropy and the phase diagram of chiral MnSb2O6.

Author

Werner, J., Koo, C., Klingeler, R., Vasiliev, A. N., Ovchenkov, Y. A., Polovkova, A. S., Raganyan, G. V., and Zvereva, E. A.

Subjects
*MAGNETIC anisotropy, *PHASE diagrams, *CHIRALITY, *ANTIFERROMAGNETIC resonance, *MAGNETIC transitions, *GROUND state (Quantum mechanics)
Abstract

The magnetic phase diagram and low-energy magnon excitations of structurally and magnetically chiral MnSb2O6 are reported. The specific heat and the static magnetization are investigated in magnetic fields up to 9 and 30 T, respectively, while the dynamic magnetic properties are probed by X-band as well as tunable high-frequency electron spin-resonance spectroscopy. Below TN=11.5 K, we observe antiferromagnetic resonance modes which imply small but finite planar anisotropy showing up in a zero-field splitting of 20 GHz. The data are well described by means of an easy-plane two-sublattice model with the anisotropy field BA=0.02 T. The exchange field BE=13 T is obtained from the saturation field derived from the pulsed-field magnetization. A crucial role of the small anisotropy for the spin structure is reflected by competing antiferromagnetic phases appearing, at T=2 K, in small magnetic fields at BC1 ≈ 0.5 T and BC2=0.9 T. We discuss the results in terms of spin reorientation and of small magnetic fields favoring helical spin structure over the cycloidal ground state which, at B=0, is stabilized by the planar anisotropy. Above TN, short-range magnetic correlations up to ≳60 K and magnetic entropy changes well above TN reflect the frustrated triangular arrangement of Mn2+ ions in MnSb2O6. [ABSTRACT FROM AUTHOR]

Published
2016
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