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New magnetic materials Cu x Mn1 − x S with a metal-insulator transition / G. M. Abramova [et al.] // Phys. Solid State. - 2012. - Vol. 54, Is. 3. - P. 531–536, DOI 10.1134/S106378341203002X. - Cited References: 9 . - ISSN 1063-7834

РУБ Physics + Condensed Matter
Рубрики:
Alpha-MnS
Manganese
Аннотация: This paper reports on first results of the synthesis and study of the thermal, structural, electrical, resonance, and magnetic properties of new sulfide materials Mex Mn1 – S (Me = Cu, 0 ˂ x ˂ 0.2) synthesized based on manganese monosulfide. The materials have a NaCl cubic structure at 300 K and undergo a con centration metal–insulator transition with increasing degree of substitution and with varying temperature. The magnetic transition occurs in the region of the heat capacity anomaly. The Néel temperature is slightly dependent on the copper concentration. The samples with a high copper content exhibit metallic conduction at T ˂ 260 K and semiconductor conduction at T ˃ 260 K.

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Публикация на русском языке Новые магнитные материалы CuxMn1-xS с переходом металл—диэлектрик [Текст] / Г. М. Абрамова [и др.] // Физ. тверд. тела. - 2012. - Т. 54 Вып. 3. - С. 500-504

Доп.точки доступа:
Abramova, G. M.; Абрамова, Галина Михайловна; Petrakovskii, G. A.; Петраковский, Герман Антонович; Sokolov, V. V.; Соколов В. В.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Vorotynov, A. M.; Воротынов, Александр Михайлович; Bovina, A. F.; Бовина, Ася Федоровна; Amirov, A. A.; Aliev, A. M.; Khanov, L. N.; Patrin, G. S.; Патрин, Геннадий Семёнович
}
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    Single-crystal and powder neutron diffraction study of the FeXMn1−XS solid solutions / G. Abramova [et al.] // J. Alloys Compd. - 2015. - Vol. 632. - P. 563-567, DOI 10.1016/j.jallcom.2015.01.162DOI 10.1002/chin.201522001. - Cited References:23. - This study was supported in part by the INTAS project no. 06-1000013-9002 and the CRDF-SB RAS project no. RUP1-7054-KR-11, N 16854.
Ref.: ChemInform abstract, 2015, Vol. 46, Is. 22. - Wiley online library
. - ISSN 0925. - ISSN 1873-4669
   Перевод заглавия: Нейтронографическое исследование порошков и монокристаллов твердых растворов FeXMn1-XS методами монокристальной и порошковой нейтронографии

РУБ Chemistry, Physical + Materials Science, Multidisciplinary + Metallurgy & Metallurgical Engineering
Рубрики:
PHASE-TRANSITIONS
   ALPHA-MNS
   MAGNETIC STRUCTURES
   HIGH-PRESSURE
   FEO
Кл.слова (ненормированные):
Magnetic semiconductors -- Neutron diffraction
Аннотация: The α-MnS-based FeXMn1−XS (0 < x < 0.3) solid solutions are synthesized and shown to be new Mott materials with the rock salt structure. Neutron diffraction data show that the chemical-pressure-induced Neel temperature shift from 150 (x = 0) to 200 K (x = 0.29) observed in these materials is accompanied by a decrease in the NaCl-type cubic lattice parameters. It is established that at the symmetry transformation in the compositions with x = 0.25 and 0.29 the structural transition occurs, which is followed by the magnetic transition. These features make the FeXMn1−XS solid solutions interesting for both fundamental study of the interrelation between the magnetic, electrical, and structural properties in MnO-type strongly correlated electron systems and application.

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Abstract

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Paul Scherrer Inst, LNS, CH-5232 Villigen, Switzerland.
Inst Max von Laue Paul Langevin, Grenoble 9, France.
Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Abramova, G. M.; Абрамова, Галина Михайловна; Schefer, Juerg; Aliouane, N.; Boehm, M.; Petrakovskiy, G. A.; Петраковский, Герман Антонович; Vorotynov, A. M.; Воротынов, Александр Михайлович; Gorev, M. V.; Горев, Михаил Васильевич; Bovina, A. F.; Бовина, Ася Федоровна; Sokolov, V. V.; Соколов В. В.
}
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Transport properties and ferromagnetism of Co(x)Mn(1-x)Ssulfides / S. S. Aplesnin [et al.] // J. Exp. Theor. Phys. - 2008. - Vol. 106, Is. 4. - P. 765-772, DOI 10.1134/S1063776108040158. - Cited References: 39 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
GIANT VOLUME MAGNETOSTRICTION
   COLOSSAL MAGNETORESISTANCE
   MAGNETIC SEMICONDUCTORS
   ELECTRICAL-PROPERTIES
   ROOM-TEMPERATURE
   ALPHA-MNS
   SPINTRONICS
   TRANSITION
   FEXMN1-XS
   FIELDS
Кл.слова (ненормированные):
Coulomb interactions -- Current voltage characteristics -- Electromotive force -- Ferromagnetism -- Magnetic susceptibility -- Magnetization -- Thermoelectricity -- Transport properties -- Charge susceptibility -- External magnetic fields -- Temperature intervals -- Thermoelectromotive force -- Cobalt compounds
Аннотация: We have studied the resistivity and thermoelectromotive force (thermo emf) in a temperature range of T = 80-1000 K, the magnetic susceptibility and magnetization in a temperature range of T= 4.2-300 K at an external magnetic field of up to 70 kOe, and the structural characteristics of CoxMn1 - S-x sulfides (0 <= x <= 0.4). Anomalies in the transport properties of these compounds have been found in the temperature intervals Delta T-1 = 200-270 K and Delta T-2 = 530-670 K and at T-3 similar to T-N. The temperature dependences of the magnetic susceptibility, magnetization, and resistivity, as well as the current-voltage characteristics, exhibit hysteresis. In the domain of magnetic ordering at temperatures below the Neel temperature (TN), the anti ferromagnetic CoxMn1 - xS sulfides possess a spontaneous magnetic moment that is explained using a model of the orbital ordering of electrons in the t(2g) bands. The influence of the cobalt-ion-induced charge ordering on the transport and magnetic properties of sulfides has been studied. The calculated values of the temperatures corresponding to the maxima of charge susceptibility, which are related to a competition between the on-site Coulomb interaction of holes in various subbands and their weak hybridization, agree well with the experimental data.

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Держатели документа:
[Aplesnin, S. S.
Ryabinkina, L. I.
Romanova, O. B.
Velikanov, D. A.
Balaev, A. D.
Balaev, D. A.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Aplesnin, S. S.
Bandurina, O. N.] Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
[Yanushkevich, K. I.
Galyas, A. I.
Demidenko, O. F.] Natl Acad Sci, Joint Inst Solid State & Semicond Phys, Minsk 220072, Byelarus
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Reshetnev Siberian State Aerospace University, Krasnoyarsk 660014, Russian Federation
Joint Institute of Solid State and Semiconductor Physics, National Academy of Sciences of Belarus, Minsk 220072, Belarus

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Ryabinkina, L. I.; Рябинкина, Людмила Ивановна; Romanova, O. B.; Романова, Оксана Борисовна; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Balaev, A. D.; Балаев, Александр Дмитриевич; Balaev, D. A.; Балаев, Дмитрий Александрович; Yanushkevich, K. I.; Galyas, A. I.; Demidenko, O. F.; Bandurina, O. N.
}
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Mossbauer studies of FexMn1-xS single crystals / G. M. Abramova [et al.] // Phys. Solid State. - 2008. - Vol. 50, Is. 2. - P. 237-240, DOI 10.1134/S1063783408020042. - Cited References: 16 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
METAL-INSULATOR-TRANSITION
   MAGNETIC-PROPERTIES
   ALPHA-MNS
   SULFIDES
   MAGNETORESISTANCE
   PRESSURE
   SYSTEM
   OXIDES
Аннотация: Single crystals of iron manganese sulfides FexMn1-xS (0.25

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Держатели документа:
[Abramova, G. M.
Petrakovskii, G. A.
Bayukov, O. A.
Bovina, A. F.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Varnek, V. A.
Sokolov, V. V.] Russian Acad Sci, Siberian Branch, Nikolaev Inst Inorgan Chem, Novosibirsk 630090, Russia
ИФ СО РАН

Доп.точки доступа:
Abramova, G. M.; Абрамова, Галина Михайловна; Petrakovskii, G. A.; Петраковский, Герман Антонович; Bayukov, O. A.; Баюков, Олег Артемьевич; Varnek, V. A.; Sokolov, V. V.; Bovina, A. F.; Бовина, Ася Федоровна
}
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Metal-insulator transition in FexMn1-xS crystals / G. M. Abramova [et al.] // JETP Letters. - 2007. - Vol. 86, Is. 6. - P. 371-374, DOI 10.1134/S0021364007180051. - Cited References: 15 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
ALPHA-MNS
PHASE-TRANSITION
SULFIDES
Аннотация: Results of an experimental study of MnS, FeS, and FexMn1-xS single crystals are presented. The phase composition, the lattice parameters, and the state of paramagnetic ions in FexMn1-xS have been determined by x-ray diffraction analysis and Mossbauer spectroscopy. A sequence of transitions have been found in iron manganese sulfide with x = 0.29 at temperatures T-1 approximate to 25-50 K, T-2 approximate to 125 K, and T-3 approximate to 190 K with a change in kinetic properties and the formation of a metallic state at low temperatures T approximate to 2 K. The possibility of a Mott-Hubbard transition in FexMn1-xS sulfides with variation of the composition and the temperature is discussed.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Russian Acad Sci, Nikolaev Inst Inorgan Chem, Novosibirsk 630090, Russia
Osaka Univ, Toyonaka, Osaka 5608531, Japan
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk 630090, Russian Federation
Osaka University, Toyonaka, Osaka 560-8531, Japan

Доп.точки доступа:
Abramova, G. M.; Абрамова, Галина Михайловна; Volkov, N. V.; Волков, Никита Валентинович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Mita, Y.; Bayukov, O. A.; Баюков, Олег Артемьевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Vorotynov, A. A.; Sokolov, V. V.; Bovina, A. F.; Бовина, Ася Федоровна
}
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Abramova, G. M.
Metal-insulator transition, magnetoresistance, and magnetic properties of 3d-sulfides (Review) / G. M. Abramova, G. A. Petrakovskii // Low Temp. Phys. - 2006. - Vol. 32, Is. 8-9. - P. 725-734 ; Физика низких температур, DOI 10.1063/1.2219495. - Cited References: 74 . - ISSN 1063-777X

РУБ Physics, Applied
Рубрики:
GIANT-MAGNETORESISTANCE
   PHASE-TRANSITION
   ALPHA-MNS
   COLOSSAL MAGNETORESISTANCE
   SINGLE-CRYSTALS
   FES-MNS
   SULFIDES
   FERROMAGNETISM
   SEMICONDUCTORS
   TEMPERATURE
Аннотация: The results of a study of the transport and magnetic properties of some sulfides of 3d elements are reported. The concentration transitions with a change of conductivity type and a change of magnetic order are considered, and the features of the colossal magnetoresistance in FexMn1-xS and CuVxCr1-xS2 solid solutions are discussed.

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

Доп.точки доступа:
Petrakovskii, G. A.; Петраковский, Герман Антонович; Абрамова, Галина Михайловна

}
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Magnetostriction of FexMn1-xS (x=0.27) Crystals / G. M. Abramova [et al.] // JETP Letters. - 2009. - Vol. 90, Is. 3. - P. 207-210, DOI 10.1134/S0021364009150107. - Cited References: 19. - This work was supported by the Siberian Branch, Russian Academy of Sciences, and INTAS, joint project no. 06-1000013-9002. . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
ALPHA-MNS
   SINGLE-CRYSTALS
   TRANSITION
   MOSSBAUER
Аннотация: The magnetostriction of FexMn1-xS (x = 0.27) single crystals in strong magnetic fields up to 120 kOe has been investigated. It has been found that the magnetostriction reaches colossal values (+/-3 x 10(-4)) atypical of compounds of 3d elements. It has been found that the magnetostriction changes sign when varying temperature and magnetic field; this behavior indicates an important role of the spin-phonon interactions in the formation of the magnetic order in solid solutions of iron-manganese sulfides.

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Держатели документа:
[Abramova, G. M.
Petrakovskiy, G.
Bovina, A. F.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Zuberek, R.
Nabialek, A.] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
[Boem, M.] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France
[Sokolov, V.] Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia
[Petrakovskiy, G.] Siberian Fed Univ, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Institute of Physics, Polish Academy of Sciences, PL-02-668 Warsaw, Poland
Institut Laue-Langevin, Grenoble, France
Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk 630090, Russian Federation
Siberian Federal University, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Abramova, G. M.; Абрамова, Галина Михайловна; Petrakovskiy, G. A.; Петраковский, Герман Антонович; Zuberek, R.; Nabialek, A.; Boem, M.; Sokolov, V. V.; Соколов В. В.; Bovina, A. F.; Бовина, Ася Федоровна; Siberian Branch, Russian Academy of Sciences; INTAS [06-1000013-9002]
}
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Magnetic and electrical properties of cation-substituted sulfides Me (x) Mn1-x S (Me = Co, Gd) / S. S. Aplesnin [et al.] // Phys. Solid State. - 2009. - Vol. 51, Is. 4. - P. 698-701, DOI 10.1134/S1063783409040076. - Cited References: 17. - This study was supported by the Russian Foundation for Basic Research RFFI-BRFFI (project no. 0802-90031) and FFIRB (project no. F08R-037). . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
ALPHA-MNS
MAGNETORESISTANCE
TRANSPORT
Аннотация: The temperature dependences of the specific magnetization sigma and the electrical resistivity rho of Me (x) Mn1 - x S single crystals (Me= Co, Gd; x= 0.05) have been studied in the temperature range 80 K T 1000 K. The samples under study have revealed the presence of a spontaneous magnetic moment below the N,el temperature (T (N)) and ferromagnetic clusters in Gd0.05Mn0.95S in the temperature range 146 K T 680 K. Substitution of gadolinium for manganese initiates a transition from p-type to n-type conduction. The change in the conduction type is accompanied by an increase in the electrical resistivity at 300 K by approximately one order of magnitude and, accordingly, by a decrease in the activation energy. The magnetic and electrical properties of the crystals under study have been interpreted in terms of the cluster model with temperature-dependent ferromagnetic exchange and an electron localized in this cluster.

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Держатели документа:
[Aplesnin, S. S.
Ryabinkina, L. I.
Romanova, O. B.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
[Sokolov, V. V.
Pichugin, A. Yu.] Russian Acad Sci, Siberian Branch, Inst Inorgan Chem, Novosibirsk 630090, Russia
[Galyas, A. I.
Demidenko, O. F.
Makovetskii, G. I.
Yanushkevich, K. I.] Natl Acad Sci Belarus, Sci Pract Mat Res Ctr, Minsk 220072, Byelarus
ИФ СО РАН
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Akademgorodok 50, Krasnoyarsk 660036, Russian Federation
Reshetnev Siberian State Aerospace University, pr. im. Gazety Krasnoyarski rabochi 31, Krasnoyarsk 660014, Russian Federation
Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, ul. Akademika Lavrent'eva 3, Novosibirsk 630090, Russian Federation
Scientific-Practical Materials Research Centre, National Academy of Sciences of Belarus, ul. P. Brovki 19, Minsk 220072, Belarus

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Ryabinkina, L. I.; Рябинкина, Людмила Ивановна; Romanova, O. B.; Романова, Оксана Борисовна; Sokolov, V. V.; Pichugin, A. Y.; Galyas, A. I.; Demidenko, O. F.; Makovetskii, G. I.; Yanushkevich, K. I.; Russian Foundation for Basic Research RFFI-BRFFI [0802-90031]; FFIRB [F08R-037]
}
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    Magnetoelectric and magnetoresistive properties of the CexMn1-xS semiconductors / S. S. Aplesnin [et al.] // Phys. Status Solidi B. - 2016. - Vol. 253, Is. 9. - P. 1771-1781, DOI 10.1002/pssb.201600134. - Cited References:24. - This work was financially supported by RFFI no. 15-42-04099 r_sibir_a, RFFI no. 16-52-00045 Bel_a, and government work no. 114090470016. . - ISSN 0370-1972. - ISSN 1521-3951
   Перевод заглавия: Магнитоэлектрические и магнеторезистивные свойства полупроводников CexMn1-xS

РУБ Physics, Condensed Matter
Рубрики:
X MN1-X S
ALPHA-MNS
GD
Кл.слова (ненормированные):
dielectric permeability -- Hall effect -- magnetoelectric properties -- magnetoresistive properties -- semiconductors
Аннотация: The effect of electron doping on the magnetoelectric and magnetoresistivity properties of cation-substituted antiferromagnetic CexMn1-xS (x ≤ 0.05) semiconductors at temperatures of 77-500 K in magnetic fields of up to 10 kOe was investigated. For all the compositions shifts of the temperature of the dielectric loss maximum toward higher temperature (80-500 K) with increasing magnetic field up to 10 kOe are found. The current dependence of magnetoresistance from the I-V characteristic measured in a magnetic field was established. The increase of the magnetoresistive effect with increase of the cerium ions concentration in the CexMn1-xS is found. The type of current carriers was determined on the basis of the Hall coefficient measurement. For explanation of experimental data the model of charge-orbital ordering, including orbital glass is used.

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Держатели документа:
RAS, Kirensky Inst Phys, SB, Akademgorodok 50, Krasnoyarsk 660036, Russia.
Siberian State Aerosp Univ MF Reshetnev, Krasnoyarsky Rabochy Ave 31, Krasnoyarsk 660014, Russia.
RAS, Nikolaev Inst Inorgan Chem, SB, Acad Lavrenntiev Ave 3, Novosibirsk 630090, Russia.

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Sitnikov, M. N.; Romanova, O. B.; Романова, Оксана Борисовна; Pichugin, A. Yu.; RFFI [15-42-04099 r_sibir_a, 16-52-00045 Bel_a]; [114090470016]
}
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