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    Zero linear compressibility in nondense borates with a "Lu-Ban stool"-like structure / X. X. Jiang [et al.] // Adv. Mater. - 2018. - Vol. 30, Is. 32. - Ст. 1801313, DOI 10.1002/adma.201801313. - Cited References: 28. - X.J., Y.Y., and M.M. contributed equally to this work. The authors acknowledge Zhuohong Yin for useful discussions. This work was supported by the National Scientific Foundations of China (Grant Nos. 11474292, 51702330, 11611530680, 91622118, and 91622124), Russian Foundation for Basic Research (Grant No. 17-52-53031), the Special Foundation of the Director of Technical Institute of Physics and Chemistry (TIPC), the China "863" project (No. 2015AA034203), key project of Beijing Synchrotron Radiation Facility and the Youth Innovation Promotion Association, CAS (outstanding member for Z.L. and Grant No. 2017035 for X.J.). . - ISSN 0935-9648. - ISSN 1521-4095
   Перевод заглавия: Нулевое тепловое расширение в неплотных боратах со структурой типа "стула Лю Бана"

РУБ Chemistry, Multidisciplinary + Chemistry, Physical + Nanoscience & Nanotechnology + Materials Science, Multidisciplinary + Physics, Applied + Physics, Condensed Matter
Рубрики:
MECHANICAL METAMATERIALS
   PRESSURE
   METABORATE
   STRENGTH
Кл.слова (ненормированные):
borates -- "Lu-Ban stool"-like structure -- ultraviolet transparency -- zero -- linear compressibility
Аннотация: Discovering materials that exhibit zero linear compressibility (ZLC) behavior under hydrostatic pressure is extremely difficult. To date, only a handful of ZLC materials have been found, and almost all of them are ultrahard materials with densified structures. Here, to explore ZLC in nondense materials, a structural model analogous to the structure of the “Lu‐Ban stool,” a product of traditional Chinese woodworking invented 2500 years ago, is proposed. The application of this model to borates leads to the discovery of ZLC in AEB2O4 (AE = Ca and Sr) with the unique “Lu‐Ban stool”‐like structure, which can obtain a subtle mechanical balance between pressure‐induced expansion and contraction effects. Coupled with the very wide ultraviolet transparent windows, the ZLC behavior of AEB2O4 may result in some unique but important applications. The applications of the “Lu‐Ban stool” model open a new route for pursuing ZLC materials in nondense structural systems.

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Держатели документа:
Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China.
Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Chinese Acad Sci, Fujian Inst Res Struct Matter, Fuzhou 350002, Fujian, Peoples R China.
Univ Bonn, Mulliken Ctr Theoret Chem, Inst Phys & Theoret Chem, D-53115 Bonn, Germany.
China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China.
Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China.
Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China.
Huazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China.
Tianjin Univ Technol, Inst Funct Crystals, Tianjin 300384, Peoples R China.

Доп.точки доступа:
Jiang, Xingxing; Yang, Y.i.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Gong, Pifu; Liang, Fei; Wang, Shuaihua; Liu, Lei; Wu, Xiang; Li, Xiaodong; Li, Yanchun; Wu, Shaofan; Li, Wei; Wu, Yicheng; Lin, Zheshuai
}
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Uncontrolled impurity of Bi3+ in rare-earth iron borates RFe3(BO3)4 / K. N. Boldyrev [et al.] // The 4th International Conference on the Physics of Optical Materials and Devices. ICOM 2015 : book of abstracts. - 2015. - P. 262 . - ISBN 978-86-7306-134-4

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Доп.точки доступа:
Boldyrev, K. N.; Popova, M. N.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна; International Conference on the Physics of Optical Materials and Devices(3 ; 2015 ; 31 aug.-4 sept. ; Budva, Montenegro)
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The Faraday effect in TbFe3(BO3)4 and TbAl3(BO3)4 borates / V. A. Bedarev [et al.] // J. Magn. Magn. Mater. - 2014. - Vol. 362. - P. 150-153, DOI 10.1016/j.jmmm.2014.03.034. - Cited References: 16 . - ISSN 0304-8853. - ISSN 1873-4766

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter

Кл.слова (ненормированные):
Antiferromagnet -- Faraday rotation -- Magnetization
Аннотация: The magnetic field dependences of the Faraday rotation of light and the magnetization of antiferromagnet TbFe3(BO3)(4) and paramagnet TbAl3(BO3)(4) compounds have been investigated. It is established that the main contribution to the Faraday rotation in the TbFe3(BO3)(4) is associated with the Tb3+ subsystem at low temperatures. The antiferromagnetic ordering effects on this contribution is shown. (C) 2014 Elsevier B.V. All rights reserved.

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Держатели документа:
Natl Acad Sci Ukraine, B Verkin Inst Low Temperature Phys & Engn, UA-61103 Kharkov, Ukraine
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Bedarev, V. A.; Pashchenko, M. I.; Merenkov, D. N.; Savina, Y. O.; Pashchenko, V. O.; Gnatchenko, S. L.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович
}
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Terahertz spectroscopy of magnetoelectric HoAl3(BO3)4 / A. M. Kuzmenko, V. Yu. Ivanov, A. Yu. Tikhanovsky [et al.] // Opt. Spectrosc. - 2023. - Vol. 131, Is. 6. - P. 409-414, DOI 10.1134/S0030400X23020121. - Cited References: 18. - This study was partially financially supported by the Russian Science Foundation (project 16-12-10531) . - ISSN 0030-400X. - ISSN 1562-6911
Кл.слова (ненормированные):
Terahertz spectroscopy -- rare earth aluminum borates -- multiferroics -- electron transitions
Аннотация: Experimental and theoretical study of submillimeter (terahertz) spectroscopic and magnetic properties of the rare-earth aluminum borate HoAl3(BO3)4 were performed at temperatures 3–300K. In the transmittance spectra a number of resonance lines were detected at frequencies 2–35 cm–1 for different radiation polarizations. These modes were identified as transitions between the lower levels of the ground multiplet of the Ho3+ ion split by the crystal field, including both transitions from the ground state to the excited ones and transitions between the excited states. The established excitation conditions of the observed modes and the simulation of the spectra made it possible to separate the magnetic and electric dipole transitions and to determine the energies of the corresponding states, their symmetry, and the matrix elements of the transitions. Low-frequency lines that do not fit into the established picture of the electron states of Ho3+ were also found; these lines, apparently, correspond to the ions with the distorted by defects local symmetry of the crystal field.

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Публикация на русском языке Терагерцовая спектроскопия магнитоэлектрика HoAl3(BO3)4 [Текст] / А. М. Кузьменко, В. Ю. Иванов, А. Ю. Тихановский [и др.]. - 6 с. // Опт. и спектроскоп. - 2022. - Т. 130 Вып. 1. - С. 59-64

Держатели документа:
Prokhorov Institute of General Physics, Russian Academy of Sciences, 119991, Moscow, Russia
Institute of Solid State Physics, Vienna University of Technology, 1040, Vienna, Austria
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia

Доп.точки доступа:
Kuzmenko, A. M.; Ivanov, V. Yu.; Tikhanovsky, A. Yu.; Pimenov, A. G.; Shuvaev, A. M.; Gudim, I. A.; Гудим, Ирина Анатольевна; Mukhin, A. A.
}
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Terahertz spectroscopy of magnetoelectric HoAl3(BO3)4 / A. M. Kuzmenko, V. Yu. Ivanov, A. Yu. Tikhanovskii A. Yu. [et al.] // Opt. Spectrosc. - 2022. - Vol. 130, Is. 1. - P. 54-59, DOI 10.21883/EOS.2022.01.52987.33-21. - Cited References: 18. - This study was partially financially supported by the Russian Science Foundation (project 16-12-10531) . - ISSN 0030-400X. - ISSN 1562-6911
Кл.слова (ненормированные):
terahertz spectroscopy -- rare earth aluminum borates -- multiferroics -- electron transitions
Аннотация: Experimental and theoretical study of submillimeter (terahertz) spectroscopic and magnetic properties of the rare-earth aluminum borate HoAl3(BO3)4 were performed at temperatures 3–300 K. In the transmittance spectra a number of resonance lines were detected at frequencies 2–35 cm-1 for different radiation polarizations. These modes were identified as transitions between the lower levels of the ground multiplet of the Ho3+ ion split by the crystal field, including both transitions from the ground state to the excited ones and transitions between the excited states. The established excitation conditions of the observed modes and the simulation of the spectra made it possible to separate the magnetic and electric dipole transitions and to determine the energies of the corresponding states, their symmetry, and the matrix elements of the transitions. Low-frequency lines that do not fit into the established picture of the electron states of Ho3+ were also found; these lines, apparently, correspond to the ions with the distorted by defects local symmetry of the crystal field.

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Держатели документа:
Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow, Russia
Institute of Solid State Physics, Vienna University of Technology, Vienna, Austria
Kirensky Institute of Physics, Federal Research Center KSC SB, Russian Academy of Sciences, Krasnoyarsk, Russia

Доп.точки доступа:
Kuzmenko, A. M.; Ivanov, V. Yu.; Tikhanovskii A. Yu., A. Yu.; Pimenov, A.; Shuvaev, A.; Gudim, I. A.; Гудим, Ирина Анатольевна; Mukhin, A. A.
}
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Terahertz magnetoelectric phenomena in rare-earth borates / A. A. Mikhlin [et al.] // Second Int. Workshop "Novel Trends in Physics of Ferroics" : abstracts. - 2017. - P. 34

Материалы семинара,
Материалы семинара

Доп.точки доступа:
Mikhlin, A. A.; Михлин А. А.; Kuzmenko, A. M.; Кузьменко А. М.; Ivanov, V. Yu.; Иванов В. Ю.; Shuvaev, A.; Шуваев А.; Dziom, V.; Pimenov, A.; Пименов А.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Novel Trends in Physics of Ferroics, International Workshop (2 ; 2017, July 6-8 ; St. Petersburg, Russia); "Новые направления в развитии физики ферроиков", международный семинар(2 ; 2017, Июль, 6-8 ; Санкт-Петербург); Физико-технический институт им. А.Ф. Иоффе РАН
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Temperature- and field-induced magnetic transitions in the cobalt-containing borates / N. V. Kazak, N. A. Bel’skaya, Yu. V. Knyazev [et al.] // International conference "Functional materials" : book of abstracts / ed. V. N. Berzhansky ; org. com. S. G. Ovchinnikov [et al.]. - Simferopol, 2021. - P. 31. - Библиогр.: 5 назв. - This work has been financed by the Russian Foundation for Basic Research (project no.20-02-00559).

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Доп.точки доступа:
Berzhansky, V. N. \ed.\; Бержанский, Владимир Наумович; Ovchinnikov, S. G. \org. com.\; Овчинников, Сергей Геннадьевич; Kazak, N. V.; Казак, Наталья Валерьевна; Bel’skaya, N. A.; Knyazev, Yu. V.; Князев, Юрий Владимирович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Yumashev, V. V.; Gavrilkin, S. Yu.; Ovchinnikov, S. G.; "Functional materials", International conference(2021 ; Oct. 4-8 ; Alushta, Russia); Крымский федеральный университет имени В.И. Вернадского
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    Synthesis, structure and properties of K2(1-x)Rb2xAl2B2O7 and Cs1.39Tl0.61Al2B2O7 borates as the basis for preparing new oxide materials / V. G. Grossman [et al.] // Lett. Mater. - 2019. - Vol. 9, Is. 1. - P. 86-90 ; Письма о материалах, DOI 10.22226/2410-3535-2019-1-86-90. - Cited References:22. - The research was carried out within the state assignment of FASO of Russia (Theme No 0339-2016-0007). . - ISSN 2218-5046. - ISSN 2410-3535
   Перевод заглавия: Синтез, структура и свойства боратов K2(1-x)Rb2xAl2B2O7 и Cs1.39Tl0.61Al2B2O7 как основа получения новых оксидных материалов

РУБ Materials Science, Multidisciplinary
Рубрики:
OPTICAL-PROPERTIES
   CRYSTAL-STRUCTURE
   K2Al2B2O7
   GROWTH
Кл.слова (ненормированные):
borate -- solid-phase synthesis -- optical properties -- борат -- твердофазный синтез -- оптические свойства
Аннотация: With the development of technology, the need for highly efficient functional materials is steadily increasing. Currently, borates attract the attention of researchers, as they are promising nonlinear materials. Potassium rubidium aluminum borate based on potassium aluminum borate (trigonal syngony, space group P321, Z = 3) was obtained by solid-phase synthesis. The individuality and purity of the borates were confirmed by X-ray diffraction. Analysis of differential scanning calorimetry and thermogravimetric method for K2(1‑x)Rb2xAl2B2O7 (x = 0.1– 0.8) was performed in the temperature range of 25–1075°С. Potassium rubidium borates decompose in the temperature range of 900 –1000°C. Differential scanning calorimetry, dielectric loss tangent, and second-harmonic generation data revealed phase transitions for K0.6Rb1.4Al2B2O7. A significant SHG effect was found at room temperature for K0.6Rb1.4Al2B2O7 (Q = 70). Then the SHG effect increases to Q = 85 at a temperature of 645°C and remains constant with a further increase in temperature. The new triple borate Cs1.39Tl0.61Al2B2O7 was synthesized by the solid-phase synthesis, and its crystallographic parameters were obtained by the Rietveld method. This borate crystallizes in the monoclinic space group P21 / c with the unit cell parameters: Z = 2, a = 6.6669(3) Å, b = 7.2991(3) Å , c = 9.3589(4) Å , β =116.6795(18)°, V = 406.94(3) Å 3. The structure can be considered to be built up from the nearly planar [Al2B2O10] rings, which are composed of two AlO4 tetrahedra and two BO3 triangles, connected, alternately to each other by corner-sharing.
С развитием технологии потребность в высокоэффективных функциональных материалах растет. В настоящее время бораты привлекают внимание исследователей, поскольку они являются перспективными нелинейными материалами. Твердофазным синтезом получены бораты K2(1-x)Rb2xAl2B2O7 (x = 0.1–0.8) на основе калий-алюминиевого бората (тригональная сингония, пространственная группа P321, Z = 3). Индивидуальность и чистота боратов подтверждена рентгеновской дифракцией. Анализ дифференциально-сканирующей калориметрией и термогравиметрическим методом для K2(1-x)Rb2xAl2B2O7 (x = 0.1–0.8) был проведен в интервале температур 25–1075 ºС. Калий-рубидиевые бораты разлагаются в интервале температур 900–1000 °C. Дифференциальной сканирующей калориметрией, диэлектрическими измерениями и методом генерации второй оптической гармоники выявлены фазовые переходы для K0.6Rb1.4Al2B2O7. Значительный ГВГ-эффект был обнаружен при комнатной температуре для K0.6Rb1.4Al2B2O7 (Q = 70). Эффект генерации второй гармоники возрастает до Q = 85 при температуре 645 °C и остается постоянным при дальнейшем увеличении температуры. Новый тройной борат Cs1.39Tl0.61Al2B2O7 был синтезирован методом твердофазного синтеза, а его кристаллографические параметры были получены с помощью метода Ритвельда. Этот борат кристаллизуется в моноклинной пространственной группе P21/c с параметрами элементарной ячейки: Z = 2, a = 6.6669 (3) Å, b = 7.2991 (3) Å, c = 9.3589 (4) Å, β = 116.6795 (18)º, V = 406.94 (3) Å3. Структуру можно представить в виде почти плоских колец [Al2B2O10], которые состоят из двух тетраэдров AlO4 и двух BO3 треугольников, соединенных попеременно друг с другом посредством вершин.

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Держатели документа:
RAS, Baikal Inst Nat Management, Siberian Branch, 6 Sakhyanova St, Ulan Ude 670047, Russia.
Lomonosov Moscow State Univ, GSP 1,1-3 Leninskie Gory, Moscow 119991, Russia.
RAS, Siberian Branch, Kirensky Inst Phys, Fed Res Ctr KSC, 50-38 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 82 Svobodniy Av, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Grossman, V. G.; Гроссман В. Г.; Bazarov, B. G.; Базаров Б. Г.; Stefanovich, S. Y.; Стефанович С. Ю.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bazarova, J. G.; Базарова Ж. Г.; [0339-2016-0007]

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Synthesis, structure and magnetic properties of monoclinic lanthanum-chromium borate LaCr3(BO3)4 / E. A. Volkova, M. S. Platunov, A. M. Antipin [et al.] // J. Alloys Compd. - 2024. - Vol. 994. - Ст. 174683, DOI 10.1016/j.jallcom.2024.174683. - Cited References: 38. - Single crystal X-ray analysis was carried out within the State assignment NRC "Kurchatov institute" (research contribution of A.M.A.). The research contribution of M.S.P. was partially supported by the Ministry of Science and Higher Education of the Russian Federation within the governmental assignment for Synchrotron radiation facility "SKIF", Boreskov Institute of Catalysis (project FWUR-2024–0040) . - ISSN 0925-8388. - ISSN 1873-4669
Кл.слова (ненормированные):
Borates -- Flux growth -- Crystal structure -- Differential scanning calorimetry -- Powder X-ray diffraction -- IR spectroscopy -- Antiferromagnet
Аннотация: Single crystals of LaCr3(BO3)4 were synthesized through spontaneous nucleation from a K2Mo3O10 flux melt. The crystal structure was determined using single-crystal X-ray diffraction (XRD) at temperatures of 293 K and 85 K. LaCr-borate crystallizes in the monoclinic C2/c space group with unit cell parameters a = 7.47980(5) Å, b = 9.55180(7) Å, c = 11.48330(8) Å, β= 104.0060(6)°, V = 796.04(1) Å3 (for C1, T = 293 K), and a = 7.47380(5) Å, b = 9.55520(7) Å, c = 11.47100(8) Å, β = 103.9330(6)°, V = 795.08(1) Å3 (for C2, T = 85 K), each with Z = 4. The temperature dependence of the unit cell parameters, including the monoclinic angle (β) and the unit cell volume (V), was investigated over the range of 85–293 K. No structural phase transitions were observed in the low-temperature region down to 85 K. Differential scanning calorimetry (DSC) measurements revealed no high-temperature phase transitions between 50 and 1350°C. Infrared (IR) spectroscopy confirmed the monoclinic structure of LaCr3(BO3)4 crystals, revealing characteristic absorption bands, including the lowest frequency mode associated with the translational vibrations of the La3+ ion.

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Faculty of Geology, Lomonosov Moscow State University, Moscow, Russian Federation
Synchrotron radiation facility SKIF, Boreskov Institute of Catalysis SB RAS, Kol’tsovo, Russian Federation
Shubnikov Institute of Crystallography, Complex "Crystallography and Photonics", NRC "Kurchatov institute", Moscow, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation
Melnikov Research Institute of Comprehensive Exploitation of Mineral Resources of the Russian Academy of Sciences, Moscow, Russian Federation

Доп.точки доступа:
Volkova, E. A.; Platunov, M. S.; Платунов, Михаил Сергеевич; Antipin, A. M.; Alpanova, R. R.; Dubrovskiy, A. A.; Дубровский, Андрей Александрович; Pyastolova, Yu. V.; Пястолова, Юлия Валентиновна; Podobraznyh, A. D.; Kosorukov, V. L.; Koporulina, E. V.; Maltsev, V. V.
}
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10.

Synthesis, crystal and valence band structure of nonlinear optical borates K2(1-x)Rb2xAl2B2O7 / V. V. Atuchin [et al.] // VI Сессия Научного совета РАН по механике : материалы всероссийской конференции. - Барнаул, 2012. - P. 91 . - ISBN 5756809376

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Доп.точки доступа:
Atuchin, V. V.; Атучин, Виктор Валерьевич; Bazarov, B. G.; Базаров Б.Г.; Grossman, V. G.; Lin, Z.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bazarova, Zh.G.; Базарова Ж.Г.; Российский национальный комитет по теоретической и прикладной механике; Объединенный Научный совет РАН по комплексной проблеме "Механика"; Научный совет по механике деформируемого твердого тела РАН; Институт проблем механики им. А.Ю. Ишлинского РАН; Институт проблем машиноведения РАН; Алтайский государственный технический университет им. И.И. Ползунова; Российский фонд фундаментальных исследований; "Сессия Научного совета РАН по механике", Всероссийская конференция (6 ; 26-31 июля 2012 ; Барнаул / Белокуриха, Россия)
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11.

    Synthesis and growth of rare earth borates NaSrR(BO3)2 (R = Ho-Lu, Y, Sc) / A. B. Kuznetsov, K. A. Kokh, N. Sagatov [et al.] // Inorg. Chem. - 2022. - Vol. 61, Is. 19. - P. 7497-7505, DOI 10.1021/acs.inorgchem.2c00596. - Cited References: 51 . - ISSN 0020-1669
   Перевод заглавия: Синтез и рост редкоземельных боратов NaSrR(BO3)2 (R = Ho-Lu, Y, Sc)
Аннотация: NaSrR(BO3)2 (R = Ho-Lu, Y, Sc) compounds were obtained for the first time. Their structures exhibit disordered positions of Sr2+ and Na+ atoms while RO6 polyhedra are connected through the BO3 groups. Large distances between R atoms and high transparency in the range of 250-900 nm make them promising for phosphor applications. A pathway to obtain single crystals was shown by growing NaSrY(BO3)2 and NaSrYb(BO3)2 by the top seeded solution growth method with Na2O-B2O3-NaF flux.

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Sobolev Institute Of Geology And Mineralogy Sb Ras, Novosibirsk, 630090, Russian Federation
Novosibirsk State University, Novosibirsk, 630090, Russian Federation
Kemerovo State University, Kemerovo, 650000, Russian Federation
Kirensky Institute Of Physics, Siberian Branch, Russian Academy Of Sciences, Krasnoyarsk, 660036, Russian Federation
Tomsk State University, Tomsk, 634050, Russian Federation
Al-Farabi Kazakh National University, Center Of Physical-Chemical Methods Of Research And Analysis, Almaty, 050040, Kazakhstan

Доп.точки доступа:
Kuznetsov, A. B.; Kokh, K. A.; Sagatov, N.; Gavryushkin, P. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Svetlichnyi, V. A.; Lapin, I. N.; Kononova, N. G.; Shevchenko, V. S.; Bolatov, A.; Uralbekov, B.; Goreiavcheva, A. A.; Kokh, A. E.
}
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12.

Switching of magnons by electric and magnetic fields in multiferroic borates / A. M. Kuzmenko [et al.] // Phys. Rev. Lett. - 2018. - Vol. 120, Is. 2. - Ст. 027203, DOI 10.1103/PhysRevLett.120.027203. - Cited References: 72 . - ISSN 0031-9007
Кл.слова (ненормированные):
Electric and magnetic fields -- Electric manipulation -- Excitation conditions -- High frequency HF -- Materials research -- Multiferroic materials -- Spin orientations -- Terahertz radiation
Аннотация: Electric manipulation of magnetic properties is a key problem of materials research. To fulfill the requirements of modern electronics, these processes must be shifted to high frequencies. In multiferroic materials, this may be achieved by electric and magnetic control of their fundamental excitations. Here we identify magnetic vibrations in multiferroic iron borates that are simultaneously sensitive to external electric and magnetic fields. Nearly 100% modulation of the terahertz radiation in an external field is demonstrated for SmFe3(BO3)4. High sensitivity can be explained by a modification of the spin orientation that controls the excitation conditions in multiferroic borates. These experiments demonstrate the possibility to alter terahertz magnetic properties of materials independently by external electric and magnetic fields.

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Держатели документа:
Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow, Russian Federation
Institute of Solid State Physics, Vienna University of Technology, Vienna, Austria
L. V. Kirensky Institute of Physics Siberian Branch of RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kuzmenko, A. M.; Szaller, D.; Kain, T.; Dziom, V.; Weymann, L.; Shuvaev, A.; Pimenov, A.; Mukhin, A. A.; Ivanov, V. Y.; Gudim, I. A.; Гудим, Ирина Анатольевна; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич
}
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13.

Studies of magnetic and optic properties of rare-earth gallo-ferroborates by Mossbauer and optical spectroscopy / O. A. Bayukov [et al.] // Physica B. - 2005. - Vol. 359: International Conference on Strongly Correlated Electron Systems (SCES 04) (JUL 26-30, 2004, Karlsruhe, GERMANY). - P. 1321-1323, DOI 10.1016/j.physb.2005.01.397. - Cited References: 3 . - ISSN 0921-4526

РУБ Physics, Condensed Matter

Кл.слова (ненормированные):
strongly correlated electron system -- antiferromagnets -- borates -- Antiferromagnets -- Borates -- Strongly correlated electron system -- Antiferromagnetism -- Cryostats -- Energy gap -- Magnetic moments -- Magnetic properties -- Mossbauer spectroscopy -- Optical properties -- Single crystals -- Borates -- Coulomb correlations -- Liquid helium -- Strongly correlated electron systems -- Gadolinium compounds
Аннотация: Magnetic and optical properties of GdFe3-xGax(BO3)(4) single crystals are investigated by Mossbauer and optical spectroscopy. The GdFe3(BO3)(4) multielectron band structure model is derived. A high- and low-spin crossover of Fe3+ ion, a collapse of the magnetic moment, the suppression of Coulomb correlations, and insulator-semiconductor transition are predicted. The jump of an energy gap is measured at pressure 43 GPa. (c) 2005 Elsevier B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk, Russia
Inst High Pressure Phys, Troitsk 142190, Russia
Inst Crystallog, Moscow 117333, Russia
Univ Liverpool, Liverpool L69 3BX, Merseyside, England
ИФ СО РАН
LV Kirensky Institute of Physics, Siberian Branch of RAS, Krasnoyarsk, Russian Federation
Institute of High Pressure Physics, 142190, Troisk, Moscow region, Russian Federation
Institute of Crystallograhy, Leninsky Av. 59, 117333, Moscow, Russian Federation
The University of Liverpool, Liverpool L69 3BX, United Kingdom

Доп.точки доступа:
Bayukov, O. A.; Баюков, Олег Артемьевич; Gavrilyuk, A. M.; Zabluda, V. N.; Заблуда, Владимир Николаевич; Lyubutin, I. S.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Potseluyko, A. M.; Tomas, M.; Trojan, I. A.; Kharlamova, S. A.
}
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14.

Structural peculiarities of bismuth-containing RFe3(BO3)4 (R = Ho, Y, Sm, Nd) / E. Smirnova, O. Alekseeva, A. Dudka [et al.] // Acta Crystallogr. A. - 2021. - Vol. 77, Supplement. - P. C1237-C1237, DOI 10.1107/S0108767321084749. - Cited References: 4. - This work was performed using the equipment of the Shared Research Center FSRC 'Crystallography and Photonics' RAS and was supported by the Ministry of Science and Higher Education within the State assignment FSRC 'Crystallography and Photonics' RAS . - ISSN 2053-2733

РУБ Chemistry, Multidisciplinary + Crystallography

Кл.слова (ненормированные):
phase transition -- single crystals -- multiferroics -- rare-earth iron borates -- X-ray structure analysis -- EDS spectroscopy -- Mossbauer spectroscopy -- characteristic temperatures

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Держатели документа:
FSRC Crystallog & Photon RAS, Leninskiy Prospekt 59, Moscow 119333, Russia.
RAS, Kirensky Inst Phys, Siberian Branch, Akad Gorodok 50, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Smirnova, E.; Alekseeva, O. A.; Dudka, A. P.; Verin, I. A.; Artemov, V. V.; Артемов Владимир В.; Khmelenin, D. N.; Gudim, I. A.; Гудим, Ирина Анатольевна; Frolov, K. V.; Lyubutin, I. S.; Ministry of Science and Higher Education within the State assignment FSRC 'Crystallography and Photonics' RAS; Congress of the International Union of Crystallography(25 ; 14-22 August 2021 ; Prague, Czech Republic)
}
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15.

Spectroscopic study of the magnetic ordering in SmFe3(BO3)(4) / E. P. Chukalina [et al.] // Phys. Lett. A. - 2010. - Vol. 374, Is. 15-16. - P. 1790-1792, DOI 10.1016/j.physleta.2010.02.018. - Cited References: 20. - The authors thank B.Z. Malkin and S.A. Klinnin for helpful discussions and K.N. Boldyrev for participating in some low-temperatures measurements. This work was supported in part by the Russian Foundation for Basic Research (grants Nos. 10-02-01071 and 10-02-00765), and by the Russian Academy of Sciences under the Programs for Basic Research. . - ISSN 0375-9601

РУБ Physics, Multidisciplinary
Рубрики:
IRON BORATE GDFE3(BO3)(4)
SINGLE-CRYSTAL
DYFE3(BO3)(4)
Кл.слова (ненормированные):
Rare-earth iron borates -- Magnetic ordering -- Optical spectroscopy -- Magnetic ordering -- Optical spectroscopy -- Rare-earth iron borates
Аннотация: SmFe3(BO3)(4) belongs to the family of rare-earth RFe3(BO3)(4) multiferroics. We present the first measurements of the optical spectra of SmFe3(BO3)(4) (on single crystals) and report the data on the crystal-field levels and their symmetries for the ground multiplet H-6(5/2) [0 (Gamma(4)). 135 (Gamma(56)), and 220 (Gamma(4)) cm(-1)] and on the ground-state exchange splitting (13.2 cm(-1) at 1.7 K), important to interpret the magnetic, magnetoelectric, and thermodynamic properties of this compound. The observed exchange splitting of the Sm3+ Kramers doublets manifests the magnetic ordering in SmFe3(BO3)(4) at 32 +/- 1 K. From a comparison of the temperature-dependent spectra of the Sm3+ ion in SmFe3(BO3)(4) and in Nd-Gd mixed iron borate where the magnetic spin reorientation has been found earlier, we suggest the easy-plane arrangement of the Fe spins in SmFe3(BO3)(4). The samarium iron borate preserves the R32 (D-3(7)) crystal structure at all the investigated temperatures (down to 1.7 K). (C) 2010 Elsevier B.V. All rights reserved.

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Держатели документа:
[Chukalina, E. P.
Popova, M. N.] RAS, Inst Spect, Troitsk 142190, Moscow Region, Russia
[Bezmaternykh, L. N.
Gudim, I. A.] RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Institute of Spectroscopy, RAS, 5, Fizicheskaya str, 142190 Troitsk, Moscow region, Russian Federation
L.V. Kirensky Institute of Physics, Siberian Branch, RAS, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Chukalina, E. P.; Popova, M. N.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна
}
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16.

Spectral signatures of spin-phonon and electron-phonon interactions in multiferroic iron borates / M. N. Popova [et al.] // J. Magn. Magn. Mater. - 2015. - Vol. 383. - P. 250-254, DOI 10.1016/j.jmmm.2014.10.095. - Cited References:32. - This work was supported by the Russian Science Foundation (Grant no. 14-12-01033). Experiments at U4-IR beamline NSLS-BNL (T.N.S. and A.A.S.) were performed under Contract no. DE-FG02-07ER46382 from the U.S. Department of Energy. The National Synchrotron Light Source is operated as a User Facility for the U.S. Department of Energy under Contract no. DE-AC02-98CH10886. M.N.P. thanks B.Z. Malkin for helpful discussions. . - ISSN 0304-8853. - ISSN 1873-4766

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
SMFE3(BO3)4
   SPECTROSCOPY
   CRYSTALS
   SM
Кл.слова (ненормированные):
Rare-earth iron borates -- Spin phonon interactions -- Electron phonon coupling -- Optical spectroscopy
Аннотация: High-resolution far-infrared reflection and polarized ellipsometry, as well as Raman scattering temperature-dependent measurements are used to study spin-phonon and electron-phonon interactions in rare-earth (RE) iron borates with the R32 structure of a natural mineral huntite, namely, in RFe3(BO3)4 with R=Pr, Nd, and Sm. Pronounced peculiarities in the ω(T) dependences at the Néel temperature TN≈32 K are observed for all the compounds studied and the origin of these peculiarities is discussed. A coupling between lattice phonons and crystal-field excitations of a RE ion manifests itself by a renormalization of frequencies and intensities of coupled modes. Modeling of the spectra has revealed the value of about 15 cm−1 for the electron–phonon coupling constant in PrFe3(BO3)4.
Высокоразрешающая эллипсометрия дальнего инфракрасного отражения и поляризованный света, а также температурнозависимые измерения комбинационного рассеяния используются для изучения спин-фононных и электрон-фононных взаимодействий в редкоземельных (RE) боратах железа со структурой R32 природного минерала хантита , а именно, в RFe3 (BO3) 4 с R = Pr, Nd, и Sm. Выраженные особенности ω (T) зависимостей при температуре Нееля TN ≈32 K наблюдаются для всех исследованных соединений и происхождение этих особенностей обсуждается.Связь между фононами решетки и возбуждениями кристаллического поля РЗ иона проявляется себя перенормализации частоты и интенсивности связанных мод. Моделирование спектров показал значение около 15cm-1 для константы электрон-фононной связи в PrFe3 (BO3) 4.

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Доп.точки доступа:
Popova, M. N.; Boldyrev, K. N.; Klimin, S. A.; Stanislavchuk, T. N.; Sirenko, A. A.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Russian Science Foundation [14-12-01033]; U.S. Department of Energy [DE-FG02-07ER46382, DE-AC02-98CH10886]; Moscow International Symposium on Magnetism(6 ; 2014 ; June-July ; Moscow)
}
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17.

    sp2 to sp3 hybridization transformation in ionic crystals under unprecedentedly low pressure / X. Jiang, M. S. Molokeev, N. Wang [et al.] // Angew. Chem. - 2022. - Vol. 134, Is. 44. - Ст. e202208247, DOI 10.1002/ange.202208247. - Cited References: 48. - The authors acknowledge Zhuohong Yin for useful discussions and the experimental time provided by the 4W2 beam line of the Beijing Synchrotron Radiation Facility (BSRF). This work was supported by the National Scientific Foundations of China (Grants 51702330, 11974360, 51872297, 51890864, 51802321, 21975132 and 21991143) and the Young Elite Scientist Sponsorship Program by CAST (YESS) . - ISSN 0044-8249. - ISSN 1521-3757
   Перевод заглавия: Гибридизационное превращение sp2 в sp3 в ионных кристаллах при беспрецедентно низком давлении
Кл.слова (ненормированные):
borates -- hybridization transformation -- ionic crystal -- stress transfer
Аннотация: Under cold pressure sp1/sp2-to-sp3 hybridization transformation has been exclusively observed in covalent or molecular crystals overwhelmingly above ≈10 GPa, and the approaches to lower the transition pressure are limited on external heat-treatment and/or catalyzers. Herein we demonstrate that, by internal-lattice stress-transfer from ionic to covalent groups, the transformation can be significantly prompted, as shown in a crystal of LiBO2 under 2.85 GPa for the first case in ionic crystals. This unprecedentedly low transformation pressure is ascribed to the enhanced localized stress on covalent B−O frames transferred from ionic Li−O bonds in LiBO2, and accordingly the corresponding structural feature is summarized. This work provides an internal structural regulation strategy for pressure-reduction of the s-p orbital hybridization transformation and extends the sp1/sp2-to-sp3 transformation landscape from molecular and covalent compounds to ionic systems.

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Держатели документа:
Functional Crystals Lab, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
Laboratory of Crystal Physics, Kirensky Institute of Physics, SB RAS, Krasnoyarsk, 660036, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, 680021, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
School of Materials Science and Engineering, Peking University, Beijing, 100871, China
Center for High Pressure Science & Technology Advanced Research, Beijing, 100094, China
Laboratory of Space Astronomy and Technology, National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100101, China
School of Materials Science and Engineering, TKL of Metal and Molecule-Based Material Chemistry, Nankai University, Tianjin, 300350, China
University of Chinese Academy of Sciences, Beijing, 100049, China

Доп.точки доступа:
Jiang, X.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Wang, N.; Wang, Y.; Wen, T.; Dong, Z.; Liu, Y.; Li, W.; Lin, Z.
}
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18.

    sp2 to sp3 hybridization transformation in ionic crystals under unprecedentedly low pressure / X. Jiang, M. S. Molokeev, N. Wang [et al.] // Angew. Chem. Int. Ed. - 2022. - Vol. 61, Is. 44. - Ст. e202208247, DOI 10.1002/anie.202208247. - Cited References: 48. - The authors acknowledge Zhuohong Yin for useful discussions and the experimental time provided by the 4W2 beam line of the Beijing Synchrotron Radiation Facility (BSRF). This work was supported by the National Scientific Foundations of China (Grants 51702330, 11974360, 51872297, 51890864, 51802321, 21975132 and 21991143) and the Young Elite Scientist Sponsorship Program by CAST (YESS) . - ISSN 1433-7851
   Перевод заглавия: Гибридизационное превращение sp2 в sp3 в ионных кристаллах при беспрецедентно низком давлении
Кл.слова (ненормированные):
borates -- hybridization transformation -- ionic crystal -- stress transfer
Аннотация: Under cold pressure sp1/sp2-to-sp3 hybridization transformation has been exclusively observed in covalent or molecular crystals overwhelmingly above ≈10 GPa, and the approaches to lower the transition pressure are limited on external heat-treatment and/or catalyzers. Herein we demonstrate that, by internal-lattice stress-transfer from ionic to covalent groups, the transformation can be significantly prompted, as shown in a crystal of LiBO2 under 2.85 GPa for the first case in ionic crystals. This unprecedentedly low transformation pressure is ascribed to the enhanced localized stress on covalent B−O frames transferred from ionic Li−O bonds in LiBO2, and accordingly the corresponding structural feature is summarized. This work provides an internal structural regulation strategy for pressure-reduction of the s-p orbital hybridization transformation and extends the sp1/sp2-to-sp3 transformation landscape from molecular and covalent compounds to ionic systems.

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Держатели документа:
Functional Crystals Lab, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
Laboratory of Crystal Physics, Kirensky Institute of Physics, SB RAS, Krasnoyarsk, 660036, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, 680021, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
School of Materials Science and Engineering, Peking University, Beijing, 100871, China
Center for High Pressure Science & Technology Advanced Research, Beijing, 100094, China
Laboratory of Space Astronomy and Technology, National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100101, China
School of Materials Science and Engineering, TKL of Metal and Molecule-Based Material Chemistry, Nankai University, Tianjin, 300350, China
University of Chinese Academy of Sciences, Beijing, 100049, China

Доп.точки доступа:
Jiang, X.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Wang, N.; Wang, Y.; Wen, T.; Dong, Z.; Liu, Y.; Li, W.; Lin, Z.
}
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19.

Solid state synthesis and band structure of nonlinear borates K2(1-x)Rb2xAl2B2O7 / B. G. Bazarov [et al.] // XVI Международная конференция "Опто-, наноэлектроника, нанотехнологии и микросистемы" : Труды. - Ульяновск, 2012. - P. 122

Доп.точки доступа:
Bazarov, B. G.; Базаров Б.Г.; Grossman, V. G.; Lin, Z.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Atuchin, V. V.; Атучин, Виктор Валерьевич; Bazarova, Zh.G.; Базарова Ж.Г.; Институт нанотехнологий микроэлектроники РАН; Ульяновский государственный университет; Российский фонд фундаментальных исследований; Академия наук Татарстана; "Opto-, nanoelectronics, nanotechnology, and microsystems", International Conference (2012 ; sept. ; 4-7 ; Ulyanovsk, Russia); "Опто-, наноэлектроника, нанотехнологии и микросистемы", международная конференция (2013 ; июль.; 26-30 ; Ульяновск)
}
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20.

Sofronova, S. N.
Super-Superexchange Influence on Magnetic Ordering in Ni3B2O6 Kotoite / S. N. Sofronova, I. I. Nazarenko // Phys. Status Solidi B. - 2019. - Vol. 256, Is. 10. - Ст. 1900060, DOI 10.1002/pssb.201900060. - Cited References: 22. - The study was carried out with the financial support of the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory, the Krasnoyarsk Regional Science Foundation as part of a research project: “Low-dimensional and frustrated magnetism in nickel oxyborates and manganites with the substitution of manganese by Yang-Teller ions,” No. 18-42-240007. . - ISSN 0370-1972
Кл.слова (ненормированные):
borates -- computational physics -- crystal structure -- density functional theory -- dow dimensional structures -- magnetic materials -- solid solutions
Аннотация: Using ab initio software package WIEN2k, the calculations of electronic propertiesand of the energies of various magnetically ordered structures are carried out and possible mechanisms of magnetic ordering are analyzed in Ni3B2O6. The superexchange (Ni-O-Ni) and super-superexchange interactions (Ni-O-B-O-Ni) are calculated, a magnetic ordering model is proposed.

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Держатели документа:
Kirensky Institute of Physics of Federal Research Center KSC Siberian Branch Russian Academy of Sciences, Akademgorodok, 50, Building No. 38, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Nazarenko, I. I.; Назаренко, Илья Иванович; Софронова, Светлана Николаевна
}
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