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    Anisotropic magnetocaloric properties of the ludwigite single crystal Cu2MnBO5 / A. G. Gamzatov, Y. S. Koshkid'ko, D. C. Freitas [et al.] // Appl. Phys. Lett. - 2020. - Vol. 116, Is. 23. - Ст. 232403, DOI 10.1063/5.0012490. - Cited References: 29. - This work was supported by the Russian Science Foundation under Grant No. 18-12-00415. The research was also carried out as part of the state task of the Ministry of Science of the Russian Federation (No. AAAA-A17-117021310366-5). . - ISSN 0003-6951. - ISSN 1077-3118
   Перевод заглавия: Анизотропные магнитокалорические свойства монокристалла людвигита Cu2MnBO5

РУБ Physics, Applied
Рубрики:
HEAT
MAGNETIZATION
Аннотация: We report upon the specific heat and magnetocaloric properties of Cu2MnBO5 over a temperature range of 60–350 K and in magnetic fields up to 18 kOe. It is found that at temperatures below the Curie temperature (TC ∼ 92 K), CP(T)/T possesses a linear temperature-dependent behavior, which is associated with the predominance of two-dimensional antiferromagnetic interactions of magnons. The temperature independence of CP/T = f(T) is observed in the temperature range of 95–160 K, which can be attributed to the excitation of the Wigner glass phase. The magnetocaloric effect [i.e., the adiabatic temperature change, ΔTad (T,H)] is assessed through a direct measurement or an indirect method using the CP(T,H) data. Owing to its strong magnetocrystalline anisotropy, an anisotropic magnetocaloric effect (MCE) or the rotating MCE [ΔTadrot (T)] is observed in Cu2MnBO5. A deep minimum in the ΔTadrot (T) near the TC is observed and ascribed to the anisotropy of the paramagnetic susceptibility.

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Держатели документа:
RAS, DFRC, Amirkhanov Inst Phys, Makhachkala 367003, Russia.
PAS, Inst Low Temp & Struct Res, PL-50950 Wroclaw, Poland.
Univ Fed Fluminense, Inst Fis, Campus Praia Vermelha, BR-24210346 Niteroi, RJ, Brazil.
RAS, SB, LV Kirensky Inst, Krasnoyarsk 660036, Russia.
Ulsan Natl Inst Sci & Technol, Dept Phys, Ulsan 44919, South Korea.
Univ S Florida, Dept Phys, 4202 East Fowler Ave, Tampa, FL 33620 USA.

Доп.точки доступа:
Gamzatov, A. G.; Koshkid'ko, Y. S.; Freitas, D. C.; Moshkina, E. M.; Мошкина, Евгения Михайловна; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Aliev, A. M.; Yu, S-C; Phan, M. H.; Russian Science FoundationRussian Science Foundation (RSF) [18-12-00415]; Ministry of Science of the Russian Federation [AAAA-A17-117021310366-5]
}
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    Antiferromagnetic dichroism in a complex multisublattice magnetoelectric CuB2O4 / K. N. Boldyrev [et al.] // Phys. Rev. Lett. - 2015. - Vol. 114, Is. 24. - Ст. 247210, DOI 10.1103/PhysRevLett.114.247210. - Cited References:40. - This study was supported by the Russian Academy of Sciences under the Programs for Basic Research, by the President of the Russian Federation (Grant No. MK-3521.2015.2, K. N. B.), by the Russian Foundation for Basic Research (Grants No. 15-32-20613, K. N. B., and No. 15-02-04222, R. V. P.), and by the Ministry of Education and Science of the Russian Federation (Grant No. 14.B25.0031.25, R. V. P.). . - ISSN 0031. - ISSN 1079-7114
   Перевод заглавия: Антиферромагнитный дихроизм в сложном многоподрешеточном магнетоэлектрике CuB2O4

РУБ Physics, Multidisciplinary
Рубрики:
MAGNETIC SOLITON LATTICE
   COPPER METABORATE
   GYROTROPIC BIREFRINGENCE
   SPECTROSCOPY
   EXCITATIONS
   TRANSITIONS
   CRYSTALS
   Cr2O3
   FIELD
Аннотация: Magnetic control of the crystal chirality was announced by Saito et al. [Phys. Rev. Lett. 101, (2008)] on the ground of experiments in CuB2O4. This claim has raised a sharp dispute in the literature because it seemed to contradict the fundamental symmetry principles. We settle this dispute on the basis of a high-resolution optical spectroscopy study of excitonic transitions in CuB2O4. We find that a large sublattice-sensitive antiferromagnetic linear dichroism (LD) emerges at the Néel temperature TN=21 K and show how it could simulate a “magnetic-field control of the crystal chirality.” We prove that the discovered LD is related microscopically to the magnetic Davydov splitting. This LD is highly sensitive to subtle changes in the spin subsystems, which allowed us to observe a splitting of the phase transition into an incommensurate magnetic phase into two transitions (T∗1=8.5 and T∗2=7.9 K) and to suggest elliptical spiral structures below T∗1, instead of a simple circular helix proposed earlier.
О магнитном контроле кристаллической хиральности сообщил Сайто и др. [Phys. Rev. Lett. 101, 117402 (2008)] на основании экспериментов в CuB2O4. Это требование вызвало резкий спор в литературе, потому что это казалось, противоречат основным принципам симметрии. Мы урегулировать этот спор на основе исследования с помощью оптической спектроскопии высокого разрешения экситонных переходов в CuB2O4. Мы считаем, что большой подрешетко-чувствительный антиферромагнитный линейный дихроизм (LD) возникает при температуре Нееля TN= 21 Kи показываем, как это может имитировать "контроль магнитным полем кристаллической хиральности." Мы докажем, что обнаруженный LD связанс микроскопическим магнитным Давыдовским расщеплением. Этот Л.Д. весьма чувствителен к тонким изменениям в спиновых подсистем, которые позволили нам наблюдать расщепление фазового перехода в несоизмеримы магнитная фаза в двух переходов (T*1= 8,5 и Т*2 = 7,9 К) и предположить эллиптическую спиральную структуру ниже T*1, вместо простой круговой спирали предложенный ранее.

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Держатели документа:
RAS, Inst Spect, Moscow 142190, Russia.
RAS, Ioffe Phys Tech Inst, St Petersburg 194021, Russia.
RAS, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Boldyrev, K. N.; Pisarev, R. V.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Popova, M. N.; Russian Academy of Sciences under the Programs for Basic Research; Russian Federation [MK-3521.2015.2]; Russian Foundation for Basic Research [15-32-20613, 15-02-04222]; Ministry of Education and Science of the Russian Federation [14.B25.0031.25]
}
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Antiferromagnetic Resonance and Dielectric Properties of Rare-earth Ferroborates in the Submillimeter Frequency Range / A. M. Kuz'menko, A. A. Mukhin, V. Yu. Ivanov [et al.] // J. Exp. Theor. Phys. - 2011. - Vol. 113, Is. 1. - P113-120, DOI 10.1134/S106377611105013X. - Cited Reference Count: 27. - Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [10-02-00846], This work was supported by the Russian Foundation for Basic Research, project no. 10-02-00846. . - JUL. - ISSN 1063-7761. - ISSN 1090-6509
Рубрики:
Physics, Multidisciplinary
Аннотация: The magnetoresonance and dielectric properties of a number of crystals of a new family of multiferroics, namely, rare-earth ferroborates RFe3(BO3)(4) (R = Y, Eu, Pr, Tb, Tb0.25Er0.75), are studied in the submillimeter frequency range (nu = 3-20 cm(-1)). Ferroborates with R = Y, Tb, and Eu exhibit permittivity jumps at temperatures of 375, 198, and 58 K, respectively, which are caused by the R32 - P3(1)2(1) phase transition. Antiferromagnetic resonance (AFMR) modes in the subsystem of Fe3+ ions are detected in the range of antiferromagnetic ordering (T≺T-N=30-40K) in all ferroborates that have either an easy-plane (Y, Eu) or easy-axis (Pr, Tb, Tb0.25Er0.75) magnetic structure. The AFMR frequencies are found to depend strongly on the magnetic anisotropy of a rare-earth ion and its exchange interaction with the Fe subsystem, which determine the type of magnetic structure and the sign and magnitude of an effective anisotropy constant. The basic parameters of the magnetic interactions in these ferroborates are found, and the magnetoelectric contribution to AFMR is analyzed.

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Держатели документа:
Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia;
Moscow MV Lomonosov State Univ, Moscow 119991, Russia;
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Kuz'menko, A. M.; Mukhin, A. A.; Ivanov, V. Yu.; Kadomtseva, A. M.; Lebedev, S. P.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
}
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Antiferromagnetic Resonance and Dielectric Properties of Rare-earth Ferroborates in the Submillimeter Frequency Range / A. M. Kuz'menko [et al.] // J. Exp. Theor. Phys. - 2011. - Vol. 113, Is. 1. - P. 113-120, DOI 10.1134/S106377611105013X. - Cited References: 27. - This work was supported by the Russian Foundation for Basic Research, project no. 10-02-00846. . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
GDFE3(BO3)(4)
SPECTROSCOPY
CRYSTAL
Кл.слова (ненормированные):
Antiferromagnetic resonance -- Basic parameters -- Effective anisotropy constant -- Ferroborates -- Ferroics -- Ferromagnetic orderings -- Frequency ranges -- Magnetic interactions -- Magnetoresonance -- Millimeter frequency range -- Rare earth ions -- Submillimeters -- Antiferromagnetic materials -- Crystallography -- Erbium -- Europium -- Ferromagnetic resonance -- Ion exchange -- Magnetic anisotropy -- Magnetic devices -- Magnetic structure -- Permittivity -- Resonance -- Antiferromagnetism
Аннотация: The magnetoresonance and dielectric properties of a number of crystals of a new family of multiferroics, namely, rare-earth ferroborates RFe(3)(BO(3))(4) (R = Y, Eu, Pr, Tb, Tb(0.25)Er(0.75)), are studied in the submillimeter frequency range (nu = 3-20 cm(-1)). Ferroborates with R = Y, Tb, and Eu exhibit permittivity jumps at temperatures of 375, 198, and 58 K, respectively, which are caused by the R32 -> P3(1)2(1) phase transition. Antiferromagnetic resonance (AFMR) modes in the subsystem of Fe(3+) ions are detected in the range of antiferromagnetic ordering (T < T(N) = 30-40 K) in all ferroborates that have either an easy-plane (Y, Eu) or easy-axis (Pr, Tb, Tb(0.25)Er(0.75)) magnetic structure. The AFMR frequencies are found to depend strongly on the magnetic anisotropy of a rare-earth ion and its exchange interaction with the Fe subsystem, which determine the type of magnetic structure and the sign and magnitude of an effective anisotropy constant. The basic parameters of the magnetic interactions in these ferroborates are found, and the magnetoelectric contribution to AFMR is analyzed.

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Держатели документа:
[Kuz'menko, A. M.
Mukhin, A. A.
Ivanov, V. Yu.
Lebedev, S. P.] Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia
[Kadomtseva, A. M.] Moscow MV Lomonosov State Univ, Moscow 119991, Russia
[Bezmaternykh, L. N.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Institute of General Physics, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russian Federation
Moscow State University, Moscow, 119991, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Kuz'menko, A. M.; Mukhin, A. A.; Ivanov, V. Y.; Kadomtseva, A. M.; Lebedev, S. P.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
}
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Antiferromagnetic resonance and magnetic anisotropy in single crystals of the YFe3(BO3)(4)-GdFe3(BO3)(4) system / A. I. Pankrats [et al.] // Phys. Solid State. - 2008. - Vol. 50, Is. 1. - P. 79-83, DOI 10.1134/S1063783408010150. - Cited References: 16 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
IRON BORATE GDFE3(BO3)(4)
ND3+
Аннотация: The antiferromagnetic resonance in single crystals of the YFe3(BO3)(4)-GdFe3(BO3)(4) system is studied in the frequency range 25-140 GHz and the temperature range 4.2-50.0 K. It is established that the YFe3(BO3)(4) crystal containing only the magnetic subsystem of Fe3+ ions is an antiferromagnet with an easy anisotropy plane. The temperature dependences of the gaps in the antiferromagnetic resonance spectra of GdFe3(BO3)(4) and YxGd1-xFe3(BO3)(4) are used to calculate the contributions of the Fe3+ and Gd3+ subsystems to the magnetic anisotropy of these crystals. The contributions are found to be close in magnitude and have opposite signs. This leads to a relatively weak uniaxial anisotropy field in the crystals under investigation. Since the exchange interaction between the Gd3+ and Fe3+ ions magnetizes the magnetic subsystem of gadolinium, both subsystems start to contribute simultaneously at the Neel temperature of the iron subsystem.

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Держатели документа:
[Pankrats, A. I.
Petrakovskii, G. A.
Bezmaternykh, L. N.
Temerov, V. L.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Pankrats, A. I.; Панкрац, Анатолий Иванович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович
}
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Antiferromagnetic resonance and phase diagrams of gadolinium ferroborate GdFe3(BO3)(4) / A. I. Pankrats [et al.] // J. Exp. Theor. Phys. - 2004. - Vol. 99, Is. 4. - P. 766-775, DOI 10.1134/1.1826168. - Cited References: 16 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary

Кл.слова (ненормированные):
Anisotropy -- Antiferromagnetic materials -- Antiferromagnetism -- Phase diagrams -- Resonance -- Single crystals -- Antiferromagnetic resonance -- Antiferromagnets -- Crystal axis -- Transition fields -- Gadolinium compounds
Аннотация: Antiferromagnetic resonance in single crystals of rhombohedral gadolinium ferroborate GdFe3(BO3)(4) was studied. The frequency-field dependences of antiferromagnetic resonance over the frequency range 26-70 GHz and the temperature dependences of resonance parameters for magnetic fields oriented along the crystal axis and in the basal plane were determined. It was found that the iron subsystem, which can be treated as a two-sublattice antiferromagnet with anisotropy of the easy-plane type, experienced ordering at T = 38 K. At temperatures below 20 K, the gadolinium subsystem with the opposite anisotropy sign strongly influenced the anisotropic properties of the crystal. This resulted in a spontaneous spin-reorientation transition from the easy-plane to the easy-axis state at 10 K. Below 10 K, magnetic field-induced transitions between the states were observed. Experimental phase diagrams on the temperature-magnetic field plane were constructed for fields oriented along the crystal axis and in the basal plane. A simple model was used to calculate the critical transition fields. The results were in close agreement with the experimental values measured at T = 4.2 K for both field orientations. (C) 2004 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Pankrats, A. I.; Панкрац, Анатолий Иванович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Bayukov, O. A.; Баюков, Олег Артемьевич
}
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Antiferromagnetic resonance in ferroborate NdFe3(BO3)(4) / M. I. Kobets, K. G. Dergachev, E. N. Khatsko [et al.] // Physica B. - 2011. - Vol. 406, Is. 18. - P. 3430-3435, DOI 10.1016/j.physb.2011.06.014. - Cited Reference Count: 19 . - SEP 15. - ISSN 0921-4526. - ISSN 1873-2135
Рубрики:
Physics, Condensed Matter
Кл.слова (ненормированные):
antiferromagnet -- resonance -- multiferroics -- commensurate-incommensurate phase
Аннотация: The AFMR spectra of the NdFe3(BO3)(4) crystal are measured in a wide range of frequencies and temperatures. It is found that by the type of its magnetic anisotropy the compound is an easy-plane antiferromagnet with a weak anisotropy in the basal plane. The effective magnetic parameters are determined: anisotropy fields H-a1 = 1.14 kOe and H-a2 = 60 kOe and magnetic excitation gaps Delta v(1) = 101.9 GHz and Delta v(2) = 23.8 GHz. It is shown that commensurate-incommensurate phase transition causes a shift in resonance field and a considerable change in absorption line width. At temperatures below 4.2 K nonlinear regimes of AFMR excitation at low microwave power levels are observed. (C) 2009 Elsevier B.V. All rights reserved.

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Держатели документа:
Natl Acad Sci, B Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine;
L V Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Kobets, M.I.; Dergachev, K.G.; Khatsko, E.N.; Gnatchenko, S.L.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович
}
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Antiferromagnetic resonance study of the magnetic structure of Nd0.75Dy0.25Fe3(BO3)(4) / M. I. Kobets [et al.] // Low Temp. Phys. - 2014. - Vol. 40, Is. 7. - P. 629-634, DOI 10.1063/1.4890992. - Cited References: 17 . - ISSN 1063-777X. - ISSN 1090-6517

РУБ Physics, Applied

Аннотация: The effect of replacing Nd3+ ions with Dy3+ ions on the resonance properties of Nd0.75Dy0.25Fe3(BO3)(4) is studied. The antiferromagnetic resonance (AFMR) method is used to detect an easy axis-easy plane magnetic spin-reorientation phase transition owing to competing exchange interactions of Nd-Fe and Dy-Fe, and the frequency-field dependence of the AFMR spectrum before and after the phase transition is studied. At 4.2 K, the detected resonance spectra in the H parallel to c direction are AFMR modes of iron, and their frequency-field dependences correspond to easy-axis (H 15 kOe) and easy-plane (H 16 kOe) magnetic structures with magnon excitation energy gaps of 77.2 and 100.3 GHz, respectively. The effective magnetic anisotropies responsible for these gaps are 0.7 and 1.2 kOe, respectively. Substitution by Dy3+ ions in crystalline Nd0.75Dy0.25Fe3(BO3)(4) in the paramagnetic region produces an additional static internal field owing to polarization, which leads to a shift in the resonance field of the EPR absorption line and a change in the g-factor of the Fe3+ ions. (C) 2014 AIP Publishing LLC.

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Держатели документа:
Natl Acad Sci Ukraine, BI Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine
Russian Acad Sci, LV Kirenskii Inst Phys, Urals Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Kobets, M. I.; Dergachev, K. G.; Khatsko, E. N.; Gnatchenko, S. L.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна
}
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Antiferromagnetism of the cation-ordered warwickite system Mn2-xMgxBO4 (x=0.5, 0.6 and 0.7) / N. V. Kazak, N. A. Belskaya, E. M. Moshkina [et al.] // J. Magn. Magn. Mater. - 2020. - Vol. 507. - Ст. 166820, DOI 10.1016/j.jmmm.2020.166820. - Cited References: 39. - The reported study was funded by the Russian Foundation for Basic Research (no. 20-02-00559), Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research project. 18-42243007. . - ISSN 0304-8853. - ISSN 1873-4766

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
SPIN-GLASS BEHAVIOR
   CRYSTAL-STRUCTURES
   SINGLE-CRYSTALS
   INSIGHTS
   MGFEBO4
Кл.слова (ненормированные):
Warwickites -- Antiferromagnet -- Cation ordering -- Jahn-Teller distortions
Аннотация: X-ray diffraction, heat capacity and magnetic measurements are performed on single crystals of Mn2-xMgxBO4 (x = 0.5, 0.6 and 0.7) with the warwickite structure. The monoclinic symmetry is found for all samples with the space group P21/n. The M1 site is occupied by trivalent Mn ions while the M2 site is occupied by a mixture of divalent Mg and Mn ions. Regular cation and charge distributions are observed, which is unusual for heterometallic warwickites. The local octahedral distortions of M1O6 show the monotonic dependence on the Mg content and are in accordance with the Jahn-Teller distortion. All samples are found to undergo long-range antiferromagnetic ordering with rather low transition temperatures of TN = 16, 14 and 13 K for x = 0.5, 0.6, and 0.7, respectively. The ordering of local octahedral distortions, caused by the strong electron-phonon interaction of the trivalent Mn ions, is proposed to stabilise the cationic ordering and, as a result, the long-range magnetic ordering in the material.

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Держатели документа:
FRC SB RAS, Kirensky Inst Phys, Krasnoyarsk, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
RAS, Zavoisky Phys Tech Inst, FRC Kazan Sci Ctr, Kazan, Russia.
Kazan Volga Reg Fed Univ, Kazan, Russia.

Доп.точки доступа:
Kazak, N. V.; Казак, Наталья Валерьевна; Belskaya, N. A.; Moshkina, E. M.; Мошкина, Евгения Михайловна; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Sofronova, S. N.; Софронова, Светлана Николаевна; Eremina, R. M.; Eremin, E. V.; Еремин, Евгений Владимирович; Muftakhutdinov, A. R.; Cherosov, M. A.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [20-02-00559]; Government of Krasnoyarsk Territory; Krasnoyarsk Regional Fund of Science to the research project [18-42243007]
}
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10.

B-11-NMR study of low-temperature phase transition in CuB2O4 / Y. . Yasuda [et al.] // J. Phys.: Condens. Matter. - 2007. - Vol. 19: International Conference on Highly Frustrated Magnetism (AUG 15-19, 2006, Osaka, JAPAN), Is. 14. - Ст. 145277, DOI 10.1088/0953-8984/19/14/145277. - Cited References: 10 . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
COPPER METABORATE
Кл.слова (ненормированные):
Copper compounds -- Low temperature effects -- Magnetic field effects -- Nuclear magnetic resonance -- B T phase diagram -- Dzialoshinskii Moriya interaction -- Phase transitions
Аннотация: The material CuB2O4 presents a variety of phases in the B - T phase diagram, caused by the frustration and the Dzialoshinskii - Moriya interaction. In order to investigate the nature of the phase transitions, a B-11- NMR experiment on CuB2O4 has been performed under an applied magnetic field along the a- axis down to 0.4 K. A new incommensurate - incommensurate phase transition has been found at 0.8 K under a field of 0.5 T. Further, another phase transition has been observed at 4.7 K under a field of about 2 T, which is consistent with the transition reported by the neutron diffraction experiment.

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Держатели документа:
Univ Fukui, Dept Appl Phys, Fukui 9108507, Japan
Japan Adv Inst Sci & Technol, Ishikawa 9231292, Japan
RAS, SB, Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Department of Applied Physics, University of Fukui, Fukui 910-8507, Japan
Japan Advanced Institute of Science and Technology, Ishikawa 923-1292, Japan
Institute of Physics, SB RAS, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Yasuda, Y.; Nakamura, H.; Fujii, Y.; Kikuchi, H.; Chiba, M.; Yamamoto, Y.; Hori, H.; Petrakovskii, G. A.; Петраковский, Герман Антонович; Popov, M. A.; Bezmaternykh, L. N.
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