M.N. Pulkin
Moscow State University
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Featured researches published by M.N. Pulkin.
Physics of the Solid State | 2004
A.V. Knotko; A.V. Garshev; M.N. Pulkin; V. I. Putlyaev; S.I. Morozov
AbstractThe oxidation kinetics of Bi1.3Pb0.8Sr2Ca0.8Y0.2Cu2O8+δ solid solutions at different temperatures and
MRS Proceedings | 2004
A.V. Garshev; A.V. Knotko; M.N. Pulkin; D.I. Kirdyankin; Andrei V. Geyer; V.I. Putlayev
Materialwissenschaft Und Werkstofftechnik | 2006
V.I. Putlayev; A. G. Veresov; M.N. Pulkin; A. Soin; V. Kuznetsov
p_{O_2 } = 0.21
Inorganic Materials | 2005
A.V. Knotko; A.V. Garshev; M.N. Pulkin; D.I. Kirdyankin; V. I. Putlyaev
Abstracts of 10th European conference on solid state chemistry | 2005
A.V. Garshev; A.V. Knotko; M.N. Pulkin; D.I. Kirdyankin; V.I. Chelpanov; Alexander Meledin; V.I. Putlayev
atm is investigated by thermogravimetry. The results obtained are compared with the previously studied oxidation kinetics of Bi1.3Pb0.8Sr2Ca0.8Y0.2Cu2O8+δ solid solutions. It is found that the substitution of yttrium for calcium leads to an appreciable retardation of the initial oxidation stage associated with the oxygen diffusion. The phonon spectra of the solid solutions are examined using inelastic neutron scattering on a DIN-2PI direct-geometry spectrometer. The high-frequency (>50 meV) phonon densities of states for yttrium-containing and yttrium-free solid solutions are analyzed. The possible model is proposed for a correlation between the differences observed in the high-frequency phonon densities of states attributed to the vibrations of oxygen atoms and the differences in the oxidation kinetics of the solid solutions under consideration.
Mendeleev Communications | 2004
A.V. Knotko; A.V. Garshev; M.N. Pulkin; D.I. Kirdyankin; Andrei V. Geyer; V.I. Putlayev; Ru-Shi Liu
Bi 2-x Pb x Sr 2 CaCu 2 O 8+d solid solutions with substitution of Sr or Ca by Y, Nd or La were fabricated at 760 - 79°C in N 2 -flow. The as-synthesized solutions were oxidized in air under isothermal condition and tested with XRD, TGA chemical analysis, TEM, XANES. Effect of rare-earth element content on oxidation kinetics and microstructure of the product is discussed.
MATERIALS RESEARCH SOCIETY SYMPOSIUM PROCEEDINGS | 2003
A.V. Knotko; F.G. Shayhutdinov; V.I. Putlayev; A.V. Garshev; M.N. Pulkin; N.M. Privalova; S.I. Morozov
Mater. of Intern. Workshop MSU - HTSC VI | 2001
V.I. Putlayev; A.V. Knotko; A. G. Veresov; M.N. Pulkin; A.V. Garshev
Abstracts of conference "Solid State Chemistry 2001" | 2001
A. G. Veresov; A.V. Knotko; M.N. Pulkin; A.V. Garshev; V.I. Putlayev
Abstracts of MRS'2001 Fall Meeting, 26.11 - 29.11.2001 | 2001
A.V. Knotko; A. G. Veresov; M.N. Pulkin; A.V. Garshev; V.I. Putlayev
