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Magnetization, magnetoelectric polarization, and specific heat of HoGa3(BO3)4 / N. V. Volkov [et al.] // JETP Letters. - 2014. - Vol. 99, Is. 2. - P. 67-75, DOI 10.1134/S0021364014020106. - Cited References: 28. - This work was supported by the Russian Foundation for Basic Research (project no. 13-02-12442-ofi_m2). K.N.B. also acknowledges the support from the Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools (project no. MK-1700.2013.2). . - ISSN 0021-3640. - ISSN 1090-6487

РУБ Physics, Multidisciplinary
Рубрики:
HoAl3(BO3)4
Аннотация: A comprehensive experimental and theoretical study of magnetic, magnetoelectric, thermal, and spectroscopic characteristics of HoGa3(BO3)4 gallium borate single crystals has been performed. A large magnetoelectric effect exceeding its values found in all iron and aluminum borates except HoAl3(BO3)4 has been observed. The magnetoelectric polarization of HoGa3(BO3)4 equals ΔP ba (B a ) ≈ −1020 μC/m2 at T = 5 K in a magnetic field of 9 T. The theoretical treatment based on the crystal field model for rare-earth ions provides a unified approach for the consistent interpretation of all measured characteristics. The crystal-field parameters are determined. The temperature (in the 3–300 K range) and magnetic field (up to 9 T) dependences of the magnetization, the Schottky anomaly in the temperature dependence of the specific heat, and its shift in the field B || c are described. To compare the thermal properties of HoGa3(BO3)4 with those of HoAl3(BO3)4 exhibiting record values of the polarization, the specific heat of HoAl3(BO3)4 at various B values and the temperature dependence of the polarization ΔP b (T) in the applied magnetic field of 9 T have been measured.

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Публикация на русском языке Намагниченность, магнитоэлектрическая поляризация и теплоемкость HoGa3(BO3)4 [Текст] / Н. В. Волков [и др.] // Письма в Журн. эксперим. и теор. физ. : Наука, 2014. - Т. 99 Вып. 1-2. - С. 72-80

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Bryansk State Tech Univ, Bryansk 241035, Russia
Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Region, Russia

Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Gudim, I. A.; Гудим, Ирина Анатольевна; Eremin, E. V.; Еремин, Евгений Владимирович; Begunov, A. I.; Demidov, A. A.; Boldyrev, K. N.; Russian Foundation for Basic Research [13-02-12442-ofi_m2]; Council of the Russian Federation for Support of Young Scientists and Leading Scientific Schools [MK-1700.2013.2]
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Magnetic, magnetoelastic, and spectroscopic properties of TmAl3(BO3)4 / A. A. Demidov [et al.] // J. Exp. Theor. Phys. - 2014. - Vol. 119, Is. 4. - P. 737-744, DOI 10.1134/S106377611410015X. - Cited References: 28. - This study was supported financially by the Russian Foundation for Basic Research (project no. 13-02-12442ofi_m2) and (K.N.B.) by the grant no. MK-1700.2013.2 from the President of the Russian Federation. . - ISSN 1063-7761. - ISSN 1090-6509

РУБ Physics, Multidisciplinary
Рубрики:
THERMAL-EXPANSION
   CRYSTALS
   MAGNETOSTRICTION
   HoAl3(BO3)4
   GARNETS
Аннотация: The thermodynamic properties of alumoborate TmAl3(BO3)4 single crystal are studied experimentally and theoretically. A theoretical analysis based on the crystal field model makes it possible to interpret all measured parameters. The crystal field parameters are determined. The temperature (3–300 K) and field (up to 9 T) dependences of magnetization are described. The field and temperature dependences of multipole moments of the Tm3+ ion in TmAl3(BO3)4 make it possible to describe magnetostriction and low-temperature anomalies in thermal expansion.

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Публикация на русском языке Магнитные, магнитоупругие и спектроскопические свойства TmAl3(BO3)4 [Текст] / А. А. Демидов [и др.] // Журн. эксперим. и теор. физ. : Наука, 2014. - Т. 146 Вып. 4. - С. 835-843

Держатели документа:
Bryansk State Tech Univ, Bryansk 241035, Russia
Moscow MV Lomonosov State Univ, Moscow 119992, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Spect, Moscow 142190, Russia

Доп.точки доступа:
Demidov, A. A.; Volkov, D. V.; Gudim, I. A.; Гудим, Ирина Анатольевна; Eremin, E. V.; Еремин, Евгений Владимирович; Boldyrev, K. N.; Russian Foundation for Basic Research [13-02-12442ofi_m2]; Russian Federation [MK-1700.2013.2]
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Magnetoelectric and magnetic properties of aluminum borates Ho1 − x Nd x Al3(BO3)4 / N. V. Volkov [et al.] // JETP Letters. - 2015. - Vol. 101, Is. 5. - P. 318-324, DOI 10.1134/S002136401505015X. - Cited References:26. - This work was supported by the Russian Foundation for Basic Research (project no. 13-02-12442 ofi_m2). . - ISSN 0021. - ISSN 1090-6487. -

РУБ Physics, Multidisciplinary
Рубрики:
HoAl3(BO3)4
Аннотация: The magnetoelectric and magnetic properties of substituted aluminum borates Ho1 − x Nd x Al3(BO3)4 have been studied experimentally and theoretically. A large magnetoelectric effect exceeding all known values in isostructural compounds except for HoAl3(BO3)4 has been found. The magnetoelectric polarization of Ho0.8Nd0.2Al3(BO3)4 and Ho0.5Nd0.5Al3(BO3)4 at T = 5 K in a field of 9 T is ΔP ab (B b ) ≈ −2630 and 1380 μC/m2, respectively. A theoretical consideration based on the crystal field model for the rare-earth ion made it possible to interpret all measured properties within the unified approach. The crystal field parameters have been determined. The temperature (3–300 K) and field (up to 9 T) dependences of the magnetization and the temperature (5–100 K) and field (up to 9 T) dependences of the polarization have been described. The studied properties of Ho1 − x Nd x Al3(BO3)4 have been compared with those of HoAl3(BO3)4 demonstrating record-high polarization values.

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Публикация на русском языке Магнитоэлектрические и магнитные свойства алюмоборатов Ho1-xNdxAl3(BO3)4 [Текст] / Н. В. Волков [и др.] // Письма в Журн. эксперим. и теор. физ. : Наука, 2015. - Т. 101 Вып. 5. - С. 347-354

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Bryansk State Tech Univ, Bryansk 241035, Russia

Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Gudim, I. A.; Гудим, Ирина Анатольевна; Demidov, A. A.; Eremin, E. V.; Еремин, Евгений Владимирович; Russian Foundation for Basic Research [13-02-12442 ofi_m2]
}
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