Zobrazeno 1 - 10
of 18
pro vyhledávání: '"L. M. Lityagina"'
Autor:
N. A. Nikolaev, L. F. Kulikova, Vadim V. Brazhkin, I. P. Zibrov, T. I. Dyuzheva, L. M. Lityagina
Publikováno v:
Inorganic Materials. 50:768-774
Phase transitions of the GeX2 (X = S, Se) dichalcogenides have been studied at pressures of up to p ≃ 8 GPa and temperatures from 675 to 1375 K, and portions of their p-T phase diagrams have been constructed using our and previous experimental data
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2facde649b5a208821f3b50d9900dce8
https://doi.org/10.1134/s002016851408010x
https://doi.org/10.1134/s002016851408010x
Autor:
I. A. Verin, T. I. Dyuzheva, Vadim V. Brazhkin, L. F. Kulikova, N. A. Nikolaev, L. M. Lityagina, Nadezhda B. Bolotina
Publikováno v:
Crystallography Reports. 58:61-64
AsS2 single crystals have been obtained for the first time from an As2S3 melt at pressures above 6 GPa and temperatures above 800 K in the As2S3 → AsS + AsS2 reaction. The monoclinic structure of the new high-pressure phase is solved by X-ray diffr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::981eadf62f9144046eb6b50ac5826f9a
https://doi.org/10.1134/s1063774513010069
https://doi.org/10.1134/s1063774513010069
Autor:
Sergey Dub, G.N. Tolmachova, T. I. Dyuzheva, L. M. Lityagina, P. M. Litvin, N. V. Novikov, Vadim V. Brazhkin
Publikováno v:
Journal of Superhard Materials. 32:406-414
Comparative nanoindentation tests of stishovite and sapphire single crystals have been performed. It has been found that nanohardness of the (0001) plane of sapphire at a depth of 200 nm is 29.1 ± 0.1 GPa, while the nanohardness of the (110) plane o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01d1d144b76a54c5e6edfa08ec94c478
https://doi.org/10.3103/s1063457610060067
https://doi.org/10.3103/s1063457610060067
Publikováno v:
Crystallography Reports. 53:960-965
The structures of the ɛ-FeOOH, ɛ-FeOOD, and β-GaOOH phases, which belong to the InOOH structure type (the distorted TiO2 structure type), are determined using single-crystal X-ray diffraction analysis. The measurements are performed on Xcalibur CC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e72364a4072e453d1a38656ce675d110
https://doi.org/10.1134/s1063774508060084
https://doi.org/10.1134/s1063774508060084
Publikováno v:
Journal of Alloys and Compounds. 377:17-20
Single crystals of high-pressure phases of α-PbO 2 and TiO 2 II were grown under hydrothermal conditions. Dark brown crystals of lead dioxide with a size of about 0.25 mm ×0.25 mm ×0.65 mm were obtained at p =4 GPa and T =300–600 °C. Transparen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7de3d509f225d951335b64d6829f9ba1
https://doi.org/10.1016/j.jallcom.2004.01.033
https://doi.org/10.1016/j.jallcom.2004.01.033
Publikováno v:
Inorganic Materials. 39:1198-1202
The effect of high pressure on the structure of LaF3 (tysonite), CeF3, and nonstoichiometric LaF3-based solid solutions (rhombohedral system, P $$\overline 3 $$ c1, Z = 6) is discussed. In the systems MF2–LaF3 with M = Pb and Sr, fluorite-like M1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b755796b7a61107e69fd71f6a503661c
https://doi.org/10.1023/a:1027361811994
https://doi.org/10.1023/a:1027361811994
Publikováno v:
Journal of Alloys and Compounds. 459:95-97
New high-pressure phase of GaOOH which is metastable under normal conditions has been obtained at p = 8.5 GPa and T = 400 °C in presence of supercritical aqueous vapor. The structure of β-GaOOH was related to InOOH structure type (orthorhombic, P 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78e7512b6c6ce6cbc54f338abfb830d7
https://doi.org/10.1016/j.jallcom.2007.04.244
https://doi.org/10.1016/j.jallcom.2007.04.244
Publikováno v:
Crystallography Reports. 50:147-149
The technique and results of hydrothermal growth of single crystals of the high-pressure phase of α-PbO2 are described. Dark brown crystals of predominantly prismatic habit with characteristic sizes of 550 × 100 × 150 μm3 were obtained at p = 4 G
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d98b8518d20ec165afa87224e5de68ae
https://doi.org/10.1134/1.1857262
https://doi.org/10.1134/1.1857262
Publikováno v:
Journal of Alloys and Compounds. 335:59-61
The compressibility of LaF3 (tysonite) has been studied up to 40 GPa using X-ray diffraction in a diamond anvil cell. A phase transition from tysonite to an orthorhombic phase (Cmma, No. 67) was observed at a pressure of 19 GPa at room temperature. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::864f59370f473aea3aeec4aa6ec20d28
https://doi.org/10.1016/s0925-8388(01)01829-1
https://doi.org/10.1016/s0925-8388(01)01829-1
Publikováno v:
Journal of Crystal Growth. 222:627-629
Single crystals of stishovite have been grown from hydrothermal solution in the system SiO 2 –H 2 O under a pressure of 9–9.5 GPa within a temperature range of 1170–770 K. Well-faceted, transparent crystals of prismatic habit with (1 1 0) and (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a0470ce5f1363bac1adebca718669c7
https://doi.org/10.1016/s0022-0248(00)00978-7
https://doi.org/10.1016/s0022-0248(00)00978-7