Zobrazeno 1 - 10
of 26
pro vyhledávání: '"V. G. Simkin"'
Autor:
S. A. Borisov, A. A. Naberezhnov, I. A. Dolgakov, Michael Tovar, V. G. Simkin, O. A. Alekseeva
Publikováno v:
Physics of the Solid State. 59:1961-1965
Neutron diffraction was used to study the temperature evolution of the structure of (1–x)Pb · (Fe2/3W1/3O3)–(x)PbTiO3 solid solutions of two compositions x = 0.2 and 0.3, in which the existence of the morphotropic phase boundary (MPB) is observe
Autor:
O. A. Alekseeva, V. G. Simkin, A. A. Naberezhnov, E. V. Stukova, E. Yu. Koroleva, S. A. Borisov, J.-U. Hoffmann
Publikováno v:
Physics of the Solid State. 59:746-751
The (1–x)NaNO2 + xBaTiO3 composites of two compositions (x = 0.05 and 0.1) have been studied by powder neutron diffraction and broadband dielectric spectroscopy (frequency region 10–1–107 Hz). The temperature dependences of the ferroelectric or
Publikováno v:
Crystallography Reports. 62:40-49
The crystal and magnetic structures of a solid solution of double perovskite Ba2 – x Sr x FeMoO6 (x = 0–1.6) have been investigated by neutron diffraction. The high-resolution diffraction patterns have provided precise information about the chang
Publikováno v:
Inorganic Materials. 52:1126-1131
We studied the interaction of Ti0.40Mo0.60 and Ti0.34Mo0.66 alloys with hydrogen and obtained hydrogen desorption isotherms at pressures of up to 250 MPa. At high hydrogen pressures, we observed the formation of Ti0.40Mo0.60Н1.1 and Ti0.34Mo0.66Н0.
Publikováno v:
Technical Physics. 60:1890-1893
The temperature evolution of the crystalline structure of the composite based on the ferroelectric mixture 0.9NaNO2 + 0.1BaTiO3 is analyzed using the neutron diffraction method. It is shown that the values of the order parameter of NaNO2 in the compo
Publikováno v:
The Physics of Metals and Metallography. 108:600-605
The method of thermal neutron diffraction has been used to study samples of the EK-181 steel at temperatures of 15 to 973 K in an IBR-2 reactor (Joint Institute for Nuclear Research (JINR)). Temperature dependences of the lattice parameter, internal
Publikováno v:
Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 1:705-710
The crystal structure of anion-deficient La0.70Sr0.30MnO3 − δ manganite powders (δ = 0, 0.10, 0.15, 0.20) has been investigated at room temperature by the neutron diffraction method using a high-resolution Fourier diffractometer. The structure da
Publikováno v:
Crystallography Reports. 52:805-810
The crystal structure of the anion-deficient manganites La0.7Sr0.3MnO3 − δ (δ = 0, 0.10, 0.15, 0.20) is investigated using high-resolution neutron diffraction. At room temperature, the crystal structure of the stoichiometric manganite La0.7Sr0.3M
Autor:
E. Yu. Koroleva, Sergey Vakhrushev, P. P. Syrnikov, S. A. Borisov, V. G. Simkin, P. Piekarz, A. A. Naberezhnov, Wojtek Dmowski, Takeshi Egami, Zdravko Kutnjak
Publikováno v:
Crystallography Reports. 52:440-446
The evolution of the structure of K1−x LixTa1−y NbyO3 single crystals with x = 0.001, y = 0.026, and 1900 ppm Cu (KLTN277) and with x = 0.0014 and y = 0.024 (KLTN123), which exhibit an extremely high permittivity (up to 4 × 105 in the quasi-stat
Autor:
I. O. Troyanchuk, A. V. Trukhanov, V. G. Simkin, A. M. Balagurov, S. V. Trukhanov, Ivan A. Bobrikov
Publikováno v:
JETP Letters. 84:254-257
The crystal structure of anion-deficient La0.70Sr0.30MnO3−δ manganites (δ = 0, 0.10, 0.15, and 0.20) has been studied by powder neutron diffraction at room temperature. The crystal structures of the stoichiometric La0.70Sr0.30MnO3 and anion-defic