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Просмотр по автору "Ivanshin V."

Просмотр по автору "Ivanshin V."

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  • Coexistence of ferromagnetism and spin glass state in YbNi<inf>2</inf> nanoparticles 
    Rojas D.; Fernández Barquín L.; Espeso J.; Rodríguez Fernández J.; Alba Venero D.; Gallastegui J.; Castro G.; Ivanshin V. (2019)
    © 2018 Elsevier B.V. We report changes on the magnetic behavior of the Heavy-Fermion ferromagnetic YbNi2 alloy when reducing the size of the particles to the nanometer scale by high-energy ball milling. The milling process ...
  • Crystal electric field excitations in the non-fermy liquid compound YbRh 2Si 2 
    Ivanshin V.; Kurkin I.; Leushin A.; Aminov L. (2007)
    We have calculated the crystalline electric field (CEF) splitting of the energy levels of Yb 3+ (4f 13) in the clean Yb-based heavy fermion compound YbRh 2Si 2. The data of inelastic neutron scattering and electron spin ...
  • Crystal field of Yb3+ tetragonal centers in the YbRh 2Si2 intermetallic compound 
    Leushin A.; Ivanshin V.; Kurkin I. (2007)
    The spectra of electron paramagnetic resonance and inelastic neutron scattering in crystals of the heavy-fermion intermetallic compound YbRh 2Si2 are interpreted. The phenomenological potentials of the crystal electric ...
  • Crystalline electric fields and the ground state of YbRh2Si2 and YbIr2Si2 
    Leushin A.; Ivanshin V. (2008)
    We have constructed the crystalline electric field (CEF) splitting of the energy levels of Yb3+ (4f13) in the clean intermetallic compounds YbRh2Si2 and YbIr2Si2. The data of measurements using methods of inelastic neutron ...
  • Debye temperature in YBa2Cu3Ox as measured from the electron spin-lattice relaxation of doped Yb3+ ions 
    Aminov L.; Ivanshin V.; Kurkin I.; Gafurov M.; Salikhov I.; Keller H.; Gutmann M. (2001)
    The electron spin-lattice relaxation (SLR) times T1 of Yb3+ ions were measured from the temperature dependence of electron spin resonance line width in Y0.99Yb0.01Ba2Cu3Ox with different oxygen contents. Raman relaxation ...
  • Direct field modulated microwave absorption in Ba1-xKxBiO3 
    Ivanshin V.; Warden M.; Erhart P. (1994)
    Non linear, field modulated, direct microwave absorption (MA) was studied in the high-Tc copper-free isotropic Ba1-xKxBiO3 (BaKBiO) powder samples. The microwave determined critical magnetic field gradient and the corresponding ...
  • Dual nature of 3d electrons in YbT2Zn20 (T Co; Fe) evidenced by electron spin resonance 
    Ivanshin V.; Litvinova T.; Gimranova K.; Sukhanov A.; Jia S.; Bud'Ko S.; Canfield P. (2014)
    The electron spin resonance experiments were carried out in the single crystals YbFe2Zn20. The observed spin dynamics is compared with that in YbCo2Zn20 and Yb2Co12P7 as well as with the data of inelastic neutron scattering ...
  • Dual nature of electron spin resonance in YbCo2Zn20 intermetallic compound 
    Ivanshin V.; Litvinova T.; Sukhanov A.; Ivanshin N.; Jia S.; Bud'ko S.; Canfield P. (2014)
    In single crystals of YbCo2Zn20 intermetallic compound, two coexisting types of electron spin resonance signals related to the localized magnetic moments of cobalt and to itinerant electrons have been observed in the 4.2-300 ...
  • Electron paramagnetic resonance in YbNiAl<inf>2</inf> single crystals with strong magnetic anisotropy 
    Gataullin E.; Ivanshin V.; Izotov V.; Yavkin B.; Ivanshin N.; Sokolov D. (2017)
    © 2017, Pleiades Publishing, Ltd.Anisotropy in the magnetic properties of YbNiAl2 intermetallide has been studied. Electron paramagnetic resonance (EPR) signals assigned to the localized magnetic moments of trivalent ...
  • Electron paramagnetic resonance of Ce3+ and Nd3+ impurity ions in YBa2Cu3O6.13 
    Ivanshin V.; Kurkin I.; Pomjakushina E. (2009)
    The electron paramagnetic resonance (EPR) spectra of Ce3+ and Nd3+ impurity ions in unoriented powders of the YBa 2Cu3O6.13 compound are observed and interpreted for the first time. It is demonstrated that, upon long-term ...
  • Electron paramagnetic resonance of Tb 3+ ions in YBa 2Cu 3O 6 
    Gafurov M.; Ivanshin V.; Kurkin I.; Rodionova M.; Keller H.; Gutmann M.; Staub U. (2000)
    The first observation of electron paramagnetic resonance (EPR) of Tb 3+ doped into YBa 2 Cu 3O 6 is reported. EPR is used to determine the local symmetry of the rare-earth ion and to study the effect of suppression of ...
  • Electron spin resonance in the Heusler alloy YbRh2Pb 
    Ivanshin V.; Litvinova T.; Sukhanov A.; Sokolov D.; Aronson M. (2009)
    An electron spin resonance (ESR) signal was observed in a concentrated Kondo lattice, Heusler alloy YbRh2Pb. It is attributed to the combined effect of the 4f local magnetic moments of Yb3+ and conduction electrons. It is ...
  • Electron spin resonance of dense Yb-based heavy-fermion compounds: New experimental data 
    Ivanshin V.; Sukhanov A.; Sokolov D.; Aronson M.; Jia S.; Bud'ko S.; Canfield P. (2009)
    We report the more recent advances in electron spin resonance (ESR) of few undoped Yb-based intermetallic compounds with heavy fermions (HF). The X-band ESR spectra of the Kondo lattices YbBiPt, YbRh2Pb, and YbT2Zn20 (T = ...
  • Electron spin resonance of Eu2+ in the Eu doped clathrate Ba6Ge25 
    Sichelschmidt J.; Carrillo-Cabrera W.; Ivanshin V.; Grin Y.; Steglich F. (2005)
    We report electron spin resonance (ESR) investigations of the clathrate compound Ba6-xEuxGe25 (x=0.03-0.4) which exhibits a temperature induced, two-step reconstructive structure transformation at temperatures between 185 ...
  • Electron spin resonance of the Kondo ion in YbRh2Si2 
    Sichelschmidt J.; Ivanshin V.; Ferstl J.; Geibel C.; Steglich F. (2004)
    By means of electron spin resonance (ESR) we investigated the dynamic magnetic properties of the heavy fermion metal YbRh2Si2. This is the first observation of Yb3+-ESR in YbRh2Si 2 being also the first ESR signal of a ...
  • Electron spin resonance of the low-dimensional spin-system Sr 2V3O9 
    Ivanshin V.; Yushankhai V.; Sichelschmidt J.; Zakharov D.; Kaul E.; Geibel C. (2004)
    The electron spin resonance (ESR) of the quasi-one dimensional vanadium oxide compound Sr2V3O9 has been studied in the temperature range 4.2-500K. The angular variation and the temperature dependence of the ESR linewidth ...
  • Electron spin-lattice relaxation of Er3+-ions in Y0.99Er0.01Ba2Cu3Ox 
    Ivanshin V.; Gafurov M.; Kurkin I.; Kurzin S.; Shengelaya A.; Keller H.; Gutmann M. (1998)
    The temperature dependence of the electron spin-lattice relaxation (SLR) was studied in Y0.99Er0.01Ba2Cu3Ox(0 ≤ x ≤ 7). The data derived from the electron spin resonance (ESR) and SLR measurements were compared to those ...
  • Electronic hybridization effects in dense intermetallics measured by electron spin resonance 
    Ivanshin V.; Litvinova T.; Sukhanov A. (2011)
    Recent theoretical studies associate the unexpected well resolved electron spin resonance (ESR) signals below Kondo temperature in several undoped heavy-fermion (HF) compounds with hybridization effects between 4f and ...
  • EPR of YBa2Cu3O6+y: Models of paramagnetic centers with g ≈ 4.2 
    Eremina R.; Eremin M.; Gafurov M.; Ivanshin V.; Kurkin I.; Kurzin S.; Keller H.; Gutmann M. (2000)
    A systematic investigation of the EPR line with g ≈ 4.2 in YBa2Cu3O6+y has been carried out. From the temperature dependence of the line integrated intensity we have deduced that the line is due to paramagnetic centers ...
  • EPR study of some rare-earth ions (Dy3+, Tb3+, and Nd3+) in YBa2Cu3O6-compound 
    Gafurov M.; Ivanshin V.; Kurkin I.; Rodionova M.; Keller H.; Gutmann M.; Staub U. (2003)
    We investigate the low temperature X-band electron paramagnetic resonance (EPR) of YBa2Cu3Ox compounds with x≅6.0 doped with Dy3+, Tb3+, and Nd3. The EPR spectra of Dy3+ and Tb3+ have been identified. The EPR of Tb3+ is ...

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