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Browsing by Author "Chareev D."

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Crystal structure and transport properties of CuPdBiS<inf>3</inf>

Laufek F.; Vymazalová A.; Navrátil J.; Chareev D.; Plášil J. (2019)

© 2019 Elsevier B.V. The CuPdBiS3 compound was synthetized from individual elements by solid-state chemical reactions and structurally characterized by single-crystal X-ray diffraction. It crystalizes in the (Bi,Sb)CuNiS3 ...
Direct evidence of two superconducting gaps in FeSe<inf>0.5</inf>Te<inf>0.5</inf>: SnS-Andreev spectroscopy and the lower critical field

Kuzmicheva T.; Kuzmichev S.; Sadakov A.; Muratov A.; Usoltsev A.; Martovitsky V.; Shipilov A.; Chareev D.; Mitrofanova E.; Pudalov V. (2016)

© 2016, Pleiades Publishing, Inc.We present direct measurements of the superconducting order parameter in nearly optimal FeSe Te single crystals with the critical temperature TC ≈ 14 K. Using the intrinsic multiple Andreev ...
Extended Magnetic Dome Induced by Low Pressures in Superconducting FeSe1-x Sx

Holenstein S.; Stahl J.; Shermadini Z.; Simutis G.; Grinenko V.; Chareev D.; Khasanov R.; Orain J.; Amato A.; Klauss H.; Morenzoni E.; Johrendt D.; Luetkens H. (2019)

© 2019 American Physical Society. We report muon spin rotation and magnetization measurements under pressure on Fe1+δSe1-xSx with x≈0.11. Above p≈0.6 GPa we find a microscopic coexistence of superconductivity with an ...
Gold transport in hydrothermal chloride-bearing fluids: Insights from in situ x-ray absorption spectroscopy and ab initio molecular dynamics

Tagirov B.; Trigub A.; Filimonova O.; Kvashnina K.; Nickolsky M.; Lafuerza S.; Chareev D. (2019)

© 2018 American Chemical Society. Chloride-bearing fluids are widespread in the Earth's interior from low-temperature subsurface conditions to deep lithosphere. The concentration of chloride salts varies from diluted ...
Highly mobile carriers in iron-based superconductors

Ovchenkov Y.; Chareev D.; Kulbachinskii V.; Kytin V.; Presnov D.; Volkova O.; Vasiliev A. (2017)

© 2017 IOP Publishing Ltd Printed in the UK.The field and temperature dependencies of the resistivity and Hall effect are measured for FeSe1-xSx (x = 0.04, 0.09, and 0.19) single crystals. Sample FeSe0.81S0.19 does not ...
Interplay of charge density wave and multiband superconductivity in layered quasi-two-dimensional materials: The case of 2 H-Nb S2 and 2 H-NbSe2

Majumdar A.; Vangennep D.; Brisbois J.; Chareev D.; Sadakov A.V.; Usoltsev A.S.; Mito M.; Silhanek A.V.; Sarkar T.; Hassan A.; Karis O.; Ahuja R.; Abdel-Hafiez M. (2020)

© 2020 American Physical Society. Despite intense efforts on all known quasi-two-dimensional superconductors, the origin and exact boundary of the electronic orderings, particularly charge density waves and superconductivity, ...
Iron and Sulfur Isotope Factors of Pyrite: Data from Experimental Mössbauer Spectroscopy and Heat Capacity

Polyakov V.; Osadchii E.; Voronin M.; Osadchii V.; Sipavina L.; Chareev D.; Tyurin A.; Gurevich V.; Gavrichev K. (2019)

© 2019, Pleiades Publishing, Ltd. Abstract: Mössbauer spectra of pyrite (FeS2) are measured within a temperature range of 90–295 K. The isomer shift is described by the Debye model with a Mössbauer temperature θM = 551.4 ...
Magnetic characterization of non-ideal single-domain monoclinic pyrrhotite and its demagnetization under hydrostatic pressure up to 2 GPa with implications for impact demagnetization

Bezaeva N.; Chareev D.; Rochette P.; Kars M.; Gattacceca J.; Feinberg J.; Sadykov R.; Kuzina D.; Axenov S. (2016)

© 2016 Elsevier B.V..Here we present a comprehensive magnetic characterization of synthesized non-ideal single-domain (SD) monoclinic pyrrhotite (Fe7S8). The samples were in the form of a powder and a powder dispersed in ...
Magnetotransport properties of FeSe in fields up to 50 T

Ovchenkov Y.; Chareev D.; Kulbachinskii V.; Kytin V.; Presnov D.; Skourski Y.; Volkova O.; Vasiliev A. (2017)

© 2017 Elsevier B.V. A study of the magnetotransport properties of a high-quality FeSe crystal in a wide temperature range and in magnetic fields up to 50 T shows that the main electron-like and hole-like bands have very ...
Majority carrier type inversion in the FeSe family and a 'doped semimetal' scheme in iron-based superconductors

Ovchenkov Y.; Chareev D.; Kulbachinskii V.; Kytin V.; Mishkov S.; Presnov D.; Volkova O.; Vasiliev A. (2019)

© 2019 IOP Publishing Ltd. The field and temperature dependencies of the longitudinal and Hall components of resistivity have been studied for high-quality FeSe1-xSx (x up to 0.14) single crystals. A quasiclassical analysis ...
Measurements of the superconducting anisotropy in FeSe with a resonance frequency technique

Cao R.; Dong J.; Wang Q.; Yang Y.; Zhao C.; Zeng X.; Chareev D.; Vasiliev A.; Wu B.; Wu G. (2019)

© 2019 Author(s). Utilizing a novel method with the resonance frequency of a LC circuit, we measured the superconducting anisotropy of single crystals of an Fe-based superconductor FeSe with applied magnetic field up to ...
Mössbauer Spectroscopy Study of FeSe<inf>0.91</inf>S<inf>0.09</inf> Superconductor Single Crystals

Frolov K.; Lyubutin I.; Chareev D.; Abdel-Hafiez M. (2019)

© 2019, Pleiades Publishing, Inc. Mössbauer spectra of single crystals of sulfur-doped iron selenide FeSe0.91S0.09 are studied in a wide temperature range, including the vicinity of structural and superconducting transitions. ...
Nipalarsite, Ni<inf>8</inf>Pd<inf>3</inf>As<inf>4</inf>, a new platinum-group mineral from the Monchetundra Intrusion, Kola Peninsula, Russia

Grokhovskaya T.; Karimova O.; Vymazalová A.; Laufek F.; Chareev D.; Kovalchuk E.; Magazina L.; Rassulov V. (2019)

© Mineralogical Society of Great Britain and Ireland 2019. Nipalarsite, Ni8Pd3As4, is a new platinum-group mineral discovered in the sulfide-bearing orthopyroxenite of the Monchetundra layered intrusion, Kola Peninsula, ...
Observation of orbital ordering and origin of the nematic order in FeSe

Cao R.; Hu J.; Dong J.; Zhang J.; Ye X.; Xu Y.; Chareev D.; Vasiliev A.; Wu B.; Zeng X.; Wang Q.; Wu G. (2019)

© 2019 The Author(s). Published by IOP Publishing Ltd on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft. In iron-based superconductors the interactions driving the nematic order that breaks the ...
Separate tuning of nematicity and spin fluctuations to unravel the origin of superconductivity in FeSe

Baek S.H.; Ok J.M.; Kim J.S.; Aswartham S.; Morozov I.; Chareev D.; Urata T.; Tanigaki K.; Tanabe Y.; Büchner B.; Efremov D.V. (2020)

© 2020, The Author(s). The interplay of orbital and spin degrees of freedom is the fundamental characteristic in numerous condensed matter phenomena, including high-temperature superconductivity, quantum spin liquids, and ...
Short-Lived Electron Excitations in FeTe<inf>1 –</inf><inf>x</inf>Se<inf>x</inf> as Revealed by Microwave Absorption

Gimazov I.; Lyadov N.; Chareev D.; Vasiliev A.; Talanov Y. (2019)

© 2019, Pleiades Publishing, Inc. Abstract: The Fe1 +yTe1 –xSex single crystals with the various Se/Te ratios were studied by the microwave absorption and direct current resistivity measurements. The comparison of the ...
Short-Range and Long-Range Order in AFM-FM Exchange Coupled Compound LiCu<inf>2</inf>(VO<inf>4</inf>)(OH)<inf>2</inf>

Koshelev A.; Zvereva E.; Shvanskaya L.; Volkova O.; Abdel-Hafiez M.; Gippius A.; Zhurenko S.; Tkachev A.; Chareev D.; Büttgen N.; Schaedler M.; Iqbal A.; Rahaman B.; Saha-Dasgupta T.; Vasiliev A. (2019)

© 2019 American Chemical Society. The presence of both strong interchain and intrachain interactions of an antiferromagnetic as well as an ferromagnetic nature may lead to the appearance of a gap in the magnetic excitation ...
Single-crystal Fe-bearing sphalerite: synthesis, lattice parameter, thermal expansion coefficient and microhardness

Chareev D.; Osadchii V.; Shiryaev A.; Nekrasov A.; Koshelev A.; Osadchii E. (2017)

© 2016, Springer-Verlag Berlin Heidelberg.Sphalerite crystals (Fe,Zn)S containing up to 56 mol% of FeS have been synthesized by gas transport method and in molten salts in the temperature range 340–780 °C at various sulfur ...
Specific heat of FeSe: Two gaps with different anisotropy in superconducting state

Muratov A.; Sadakov A.; Gavrilkin S.; Prishchepa A.; Epifanova G.; Chareev D.; Pudalov V. (2017)

© 2017 Elsevier B.V. We present detailed study of specific heat of FeSe single crystals with critical temperature Tc=8.45 K at 0.4-200 K in magnetic fields 0-9 T. Analysis of the electronic specific heat at low temperatures ...
Structure-Property Relationships in α-, β′-, and γ-Modifications of Mn<inf>3</inf>(PO<inf>4</inf>)<inf>2</inf>

Volkova O.; Shvanskaya L.; Ovchenkov E.; Zvereva E.; Volkov A.; Chareev D.; Molla K.; Rahaman B.; Saha-Dasgupta T.; Vasiliev A. (2016)

© 2016 American Chemical Society.The manganese orthophosphate, Mn3(PO4)2, is characterized by the rich variety of polymorphous modifications, α-, β′-, and γ-phases, crystallized in monoclinic P21/c (P21/n) space group type ...

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