Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Sigaryov"'
Publikováno v:
Solid State Ionics. 74:279-283
Ca 0.1667 Na 3.6667 FeP 2 O 8 (P 3 , a =13.723(2) A , Z =6, V =1121.8(3) A 3 ) was prepared by the flux technique. The structure was solved by single crystal methods using 1493 observed reflections (R = 0.031, Rw=0.041). The structure consists of oct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcb6c4bacbc8b3afff3d7a645f4973c3
https://doi.org/10.1016/0167-2738(94)90222-4
https://doi.org/10.1016/0167-2738(94)90222-4
Autor:
V. V. Kravchenko, S. E. Sigaryov
Publikováno v:
Journal of Materials Science. 29:6004-6010
Rhombohedral and monoclinic modifications of the Li3In2(PO4)3 compound have been studied by X-ray diffraction, infrared (i.r.) analysis, Raman light scattering, differential thermal analysis (DTA), differential scanning calorimetry (DSC) and impedanc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff2ed8c5cbbcfd802602e010789e64a4
https://doi.org/10.1007/bf00366886
https://doi.org/10.1007/bf00366886
Publikováno v:
Solid State Ionics. 73:75-80
Single crystals of Na5MP2O8F2(MAl, Ga) were prepared by the flux technique. Both the compounds crystallize in the space group P3 with a = b = 10.468(3), c = 6.599(2) A for the Al compound and a = b = 10.560(2), c = 6.660(2) A for the Ga compound.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::671c38afbecab43cadea9efe8d9c0702
https://doi.org/10.1016/0167-2738(94)90266-6
https://doi.org/10.1016/0167-2738(94)90266-6
Autor:
S Sigaryov
Publikováno v:
Journal of Physics: Condensed Matter. 6:3801-3812
The dielectric response (DR) of centrosymmetric (space group, Ibam, at 293 K) Na4.6FeP2O8.6F0.4 single crystals has been studied in a wide temperature range 290-700 K and frequency interval 5-5*105 Hz. The DR reveals dipolar features. The correspondi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca6cbf0060397545dcbca2557076152c
https://doi.org/10.1088/0953-8984/6/20/020
https://doi.org/10.1088/0953-8984/6/20/020
Publikováno v:
Physical Review B. 49:6319-6322
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19423b35ee2cd7570aea31b2159fb2ac
https://doi.org/10.1103/physrevb.49.6319
https://doi.org/10.1103/physrevb.49.6319
Autor:
S Sigaryov
Publikováno v:
Journal of Physics: Condensed Matter. 6:771-778
The Vogel-Fulcher-Tammann (VFT) ( sigma varies as exp(-Ea/k(T-T0))) temperature dependence of ionic conductivity has been found for the Na3-2xCaxPO4 orientational glass at x=0.5. The VFT behaviour of sigma is accounted for within a two-level phenomen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a31a173b04509626d4a7c98da49f3251
https://doi.org/10.1088/0953-8984/6/3/017
https://doi.org/10.1088/0953-8984/6/3/017
Publikováno v:
Physical Review B. 48:16463-16470
Fourier-transform NMR spectra and spin-lattice relaxation rates were studied for 7 Li and 31 P in a monoclinic modification of the Li 3 In 2 (PO 4 ) 3 superionic conductor over a wide temperature range of 240-575 K. The static magnetic susceptibility
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::deaf94f517361008102d35fd1ef40935
https://doi.org/10.1103/physrevb.48.16463
https://doi.org/10.1103/physrevb.48.16463
Autor:
S. E. Sigaryov, V. G. Terziev
Publikováno v:
Physical Review B. 48:16252-16255
A gradual increase of disorder with temperature in the lithium subsystem is observed for the superionic conductor ${\mathrm{Li}}_{3}$${\mathrm{Fe}}_{2}$(${\mathrm{PO}}_{4}$${)}_{3}$ for a rise from 470 K to 820 K. Structural phase transitions occurri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9560a521d29779b56825810e1bc566e
https://doi.org/10.1103/physrevb.48.16252
https://doi.org/10.1103/physrevb.48.16252
Publikováno v:
Solid State Ionics. 58:201-215
The 6,7 Li and 31 P NMR spectra and the 7 LI, 31 P spin-lattice relaxation, as well as electrical conductivity and thermal properties have been studied for powder samples of the Li 3 Sc 2 (PO 4 ) 3 superionic conductor over a wide temperature range.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d83edf739ed3bf2c9beba3621366387
https://doi.org/10.1016/0167-2738(92)90120-e
https://doi.org/10.1016/0167-2738(92)90120-e
Autor:
S.E. Sigaryov, V.V. Kravchenko
Publikováno v:
Solid State Communications. 83:149-152
Static disorder of sodium ions appears ∼-20 K below the α ⤳ β superionic phase transition temperature in Na 3 Fe 2 (PO 4 ) 3 . This α ⤳ β transformation is first-order transition from the static to dynamic disorder in the sodium sublattice.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::327ea484dd30d66d6c9ed5e5a9f19ad4
https://doi.org/10.1016/0038-1098(92)90892-d
https://doi.org/10.1016/0038-1098(92)90892-d