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Просмотр по автору "Alakshin E."

Просмотр по автору "Alakshin E."

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  • Anisotropic reduced diffusion in dilute liquid <sup>3</sup>He-<sup>4</sup>He mixture in ordered aerogel 
    Safiullin K.; Kuzmin V.; Stanislavovas A.; Alakshin E.; Klochkov A.; Tagirov M. (2020)
    © 2021 IOP Publishing Ltd. We report on the first observation of 3He diffusion anisotropy in 3He-4He liquid mixture confined in ordered aerogels at 1.5-4.2 K temperatures. The used aerogels are arrays of long Al2O3 parallel ...
  • Annealing of PrF3 nanoparticles by microwave irradiation 
    Alakshin E.; Gazizulin R.; Klochkov A.; Korableva S.; Safin T.; Safiullin K.; Tagirov M. (2014)
    The influence of microwave irradiation on the recovery of nanocrystalline PrF3 powders has been experimentally analyzed by nuclear magnetic resonance (NMR) at T = 1.5 K. It is established that the relaxation times of 141Pr ...
  • Anomalous nuclear spin–lattice relaxation of <sup>3</sup>Не in contact with ordered Al<inf>2</inf>O<inf>3</inf> aerogel 
    Alakshin E.; Zakharov M.; Klochkov A.; Kuzmin V.; Safiullin K.; Stanislavovas A.; Tagirov M. (2016)
    © 2016, Pleiades Publishing, Inc.Spin–lattice relaxation of 3Не in contact with the ordered Al2O3 fiber aerogel has been studied at the temperature of 1.6 K in fields of 0.1–0.5 T by the pulsed nuclear magnetic resonance ...
  • Application of cryogenic technologies for NMR logging tool 
    Alakshin E.; Klochkov A.; Kuzmin V.; Nourgaliev D.; Safin T.; Tagirov M. (2013)
    The development of heavy oil and bitumen deposits is becoming an actual problem in last years. In this paper the authors propose to use cryogenic technologies for improving the sensitivity of nuclear magnetic resonance ...
  • Atomic type magnon Bose-Einstein condensation in antiferromagnet 
    Alakshin E.; Bunkov Y.; Gazizulin R.; Klochkov A.; Kuzmin V.; Safin T.; Tagirov M. (2012)
    The Spin Supercurrent and Bose-Einstein condensation of magnons, similar to an atomic BEC, was observed in 1984 in superfluid 3He-B The same phenomena should exist in solid magnetic systems. We describe here the first ...
  • Bose-Einstein condensation in antiferromagnets at low temperatures 
    Alakshin E.; Bunkov Y.; Gazizulin R.; Isaenko L.; Klochkov A.; Safin T.; Safiullin K.; Tagirov M.; Zhurkov S. (2014)
    © Published under licence by IOP Publishing Ltd. The Bose-Einstein condensation (BEC) was predicted by Einstein in 1925 and this effect is characterized by the formation of a collective quantum state, when macroscopic ...
  • Comments on the cross-relaxation effect between adsorbed 3He and PrF3 nanoparticles 
    Alakshin E.; Gazizulin R.; Gazizulina A.; Klochkov A.; Orlinskii S.; Rodionov A.; Safin T.; Safiullin K.; Tagirov M.; Zakharov M. (2015)
    © 2015 AIP Publishing LLC. The spin kinetics data of 3He in contact with PrF3 and LaF3 nanosized powders are reported. All experiments have been carried out by pulse NMR methods at temperature 1.5K. The analysis of obtained ...
  • Discovery of the classical Bose-Einstein condensation of magnons in solid antiferromagnets 
    Bunkov Y.; Alakshin E.; Gazizulin R.; Klochkov A.; Kuzmin V.; Safin T.; Tagirov M. (2011)
    Results of experiments in which the Bose-Einstein condensate of magnons is created in the CsMnF 3 easy-plane antiferromagnet in a system with coupled nuclear-electron precession with dynamical frequency shift are presented. ...
  • Electron paramagnetic resonance of Gd3+ ions in powders of LaF3+:Gd3+ nanocrystals 
    Gazizulina A.; Alakshin E.; Baibekov E.; Gazizulin R.; Zakharov M.; Klochkov A.; Korableva S.; Tagirov M. (2014)
    The observation of electron paramagnetic resonance of Gd3+ ions in nanosized powders of rare-earth fluorides LaF3:Gd3+ has been reported. The measurements have been performed on a single crystal and microand nanosized ...
  • Experimental proof of the existence of water clusters in fullerene-like PrF 3 nanoparticles 
    Alakshin E.; Blokhin D.; Sabitova A.; Klochkov A.; Klochkov V.; Kono K.; Korableva S.; Tagirov M. (2012)
    Synthesized fullerene-like nanoparticles of the Van Vleck paramagnet PrF 3 have been studied by nuclear magnetic resonance cryoporometry. Water clusters have been discovered in the internal cavities of the nanoparticles. ...
  • Experimental Setup for Observation the Bose-Einstein Condensation of Magnons in Solid Antiferromagnets CsMnF3 and MnCO3 
    Alakshin E.; Bunkov Y.; Gazizulin R.; Klochkov A.; Kuzmin V.; Rakhmatullin R.; Sabitova A.; Safin T.; Tagirov M. (2013)
    The Bose-Einstein condensation of magnons was observed in 1984 in superfluid 3He-B. The same phenomena should exist in solid magnetic systems. We describe here a partly digital experimental setup for studying solid ...
  • High-T c spin superfluidity in antiferromagnets 
    Bunkov Y.; Alakshin E.; Gazizulin R.; Klochkov A.; Kuzmin V.; L'Vov V.; Tagirov M. (2012)
    We report the observation of the unusual behavior of induction decay signals in antiferromagnetic monocrystals with Suhl-Nakamura interactions. The signals show the formation of the Bose-Einstein condensation (BEC) of ...
  • Long-lived free induction decay signal in CsMnF<inf>3</inf> single crystal 
    Alakshin E.; Bunkov Y.; Gazizulin R.; Gazizulina A.; Isaenko L.; Klochkov A.; Safin T.; Safiullin K.; Tagirov M.; Vedenyapin V.; Zhurkov S. (2014)
    Elementary excitations in antiferromagnets are magnons, and these quasiparticles with integer spin are governed by Bose statistics. In certain conditions their density can be controlled by applied radiofrequency pulse ...
  • Low temperature adsorption of 3He on silica aerogel surface and its influence on 3He spin kinetics 
    Alakshin E.; Gazizulin R.; Klochkov A.; Kuzmin V.; Tagirov M.; Tayurskii D.; Mulders N. (2011)
    Significant influence of the aerogel surface heterogeneity on the processes of 3He nuclear magnetic relaxation at temperatures 1.5 - 4.2 K is discovered. This influence appears, for instance, in differences of the 3He T 1 ...
  • Magnetic properties of powders LiTbF<inf>4</inf> and TbF<inf>3</inf> 
    Alakshin E.; Klochkov A.; Korableva S.; Kuzmin V.; Nuzhina D.; Romanova I.; Savinkov A.; Tagirov M. (2016)
    © Kazan Federal University (KFU).Samples LiTbF4and TbF3were synthesized by modified methods of colloidal chemistry. The magnetization of these samples was measured in the external magnetic field at 100 Oe and 1T and in ...
  • Magnon BEC in antiferromagnets with Suhl-Nakamura interaction 
    Tagirov M.; Alakshin E.; Bunkov Y.; Gazizulin R.; Gazizulina A.; Isaenko L.; Klochkov A.; Safin T.; Safiullin K.; Zhurkov S. (2014)
    From atomic physics one knows the phenomenon of Bose-Einstein condensation (BEC), where a macroscopic ensemble of particles occupy coherently a single state. Similar phenomena were observed for different types of quasiparticles ...
  • Magnon bose-einstein condensation in CsMnF 3 and MnCO 3 
    Alakshin E.; Bunkov Y.; Gazizulin R.; Klochkov A.; Kuzmin V.; Nizamutdinov A.; Safin T.; Tagirov M. (2011)
    The Spin Supercurrent and Bose-Einstein condensation of magnons, similar to an atomic BEC, was observed in 1984 in superfluid 3He-B. The same phenomena should exist in solid magnetic systems. We describe here the first ...
  • Microwave-Assisted Hydrothermal Synthesis and Annealing of DyF<inf>3</inf> Nanoparticles 
    Alakshin E.; Klochkov A.; Kondratyeva E.; Korableva S.; Kiiamov A.; Nuzhina D.; Stanislavovas A.; Tagirov M.; Zakharov M.; Kodjikian S. (2016)
    © 2016 E. M. Alakshin et al.The series of DyF3 nanosized samples was synthesized by the colloidal chemistry method. The microwave-assisted hydrothermal treatment was used for the first time for the modification of DyF3 ...
  • Nuclear pseudoquadrupole resonance of 141Pr in Van Vleck paramagnet PrF3 
    Alakshin E.; Aleksandrov A.; Egorov A.; Klochkov A.; Korableva S.; Tagirov M. (2011)
    Nuclear pseudoquadrupole resonance of 141Pr in Van Vleck paramagnet PrF3 has been observed in singlecrystal and micro- and nanopowder samples at a temperature of 4.2 K. The spectra of nuclear pseudoquadrupole resonance of ...
  • On the thermodynamic equilibrium in the 3He-aerogel system at low temperatures 
    Alakshin E.; Gazizulin R.; Klochkov A.; Kuzmin V.; Mulders N.; Tagirov M.; Tayurskii D. (2011)
    A new method for studying the processes of the establishment of the thermodynamic equilibrium in the adsorbed 3He layers in highly porous media has been proposed. Using this method, the thermalization of adsorbed 3He on ...

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