Zobrazeno 1 - 10
of 26
pro vyhledávání: '"V. N. Lipatnikov"'
Publikováno v:
Journal of Solid State Chemistry. 180:3234-3246
The structure of nonstoichiometric carbide phase ζ-Ta4C3−x formed in the tantalum–carbon (Ta–C) system is studied by X-ray and neutron powder diffraction and metallography. Investigated carbide ζ-TaC0.67 crystallizes in a trigonal (rhombohedr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4abb62e8fd1eae69d2b18bd28d36a107
https://doi.org/10.1016/j.jssc.2007.09.015
https://doi.org/10.1016/j.jssc.2007.09.015
Autor:
Aleksandr I. Gusev, V. N. Lipatnikov
Publikováno v:
Inorganic Materials. 43:827-833
The ordering of nonstoichiometric VC x N y (x + y = 0.85) vanadium carbonitrides has been studied by x-ray diffraction and optical microscopy. The results indicate that the ordering of VC x N y carbonitrides leads to the formation of a V6(C,N)5 (V6C5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e82ce371e5c5dda952a19a7438fe6e7f
https://doi.org/10.1134/s0020168507080043
https://doi.org/10.1134/s0020168507080043
Autor:
V. N. Lipatnikov, Aleksandr I. Gusev
Publikováno v:
JETP Letters. 84:598-603
Experimental results are presented on measurements of the crystal structure and heat capacity of nonstoichiometric cubic vanadium carbonitrides VCxNy (x + y = 0.85) in the region of disorder-order phase transitions. It is found that ordered phases V6
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::523bc50dbc57c6e230f33e8d68982069
https://doi.org/10.1134/s0021364006230068
https://doi.org/10.1134/s0021364006230068
Autor:
Aleksandr I. Gusev, V. N. Lipatnikov
Publikováno v:
Physics of the Solid State. 48:1634-1645
The structure of the nonstoichiometric trigonal (rhombohedral) carbide ζ-Ta4C3t-x forming in the tantalum-carbon system is studied by neutron diffraction, x-ray diffraction, and metallography. The unit cell parameters of the trigonal (space group R-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78a836fcf8b3d9281bc1f61321dcef22
https://doi.org/10.1134/s1063783406090034
https://doi.org/10.1134/s1063783406090034
Autor:
Aleksandr I. Gusev, V. N. Lipatnikov
Publikováno v:
Inorganic Materials. 42:14-18
The ordering of bulk nonstoichiometric vanadium carbide is studied by optical microscopy and x-ray diffraction. The results indicate that the formation of V6C5 and V8C7 superstructures in vanadium carbide is accompanied by the breakdown of the grains
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f749e96d163e065c028b39560b3d76d0
https://doi.org/10.1134/s0020168506010043
https://doi.org/10.1134/s0020168506010043
Autor:
V. N. Lipatnikov, Aleksandr I. Gusev
Publikováno v:
Journal of Experimental and Theoretical Physics Letters. 82:287-291
The structure of the ζ-Ta4C3−x nonstoichiometric trigonal (rhombohedral) carbide, which is formed in the tantalum-carbon system, has been analyzed by neutron diffraction, x-ray diffraction, and metallography. The ordered distributions of carbon at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0f7474137ab14e918d048c9e4d4e69a
https://doi.org/10.1134/1.2130914
https://doi.org/10.1134/1.2130914
Autor:
Andrey A. Rempel, V. N. Lipatnikov
Publikováno v:
Journal of Experimental and Theoretical Physics Letters. 81:326-330
Structural neutron diffraction studies indicate that only one ordered phase arises after the disorder-order transition in nonstoichiometric cubic tantalum carbide TaCy. This phase arises in the composition range y = 0.79–0.89 due to long-term annea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cb36f3ded960c51baa715c9aa772804
https://doi.org/10.1134/1.1944072
https://doi.org/10.1134/1.1944072
Publikováno v:
Journal of Structural Chemistry. 45:S14-S22
The application of atomic-vacancy ordering for generating nanostructures in non-stoichiometric compounds and substituting solid solutions is considered. The conditions under which a nanostructure is formed in powder and bulk samples and peculiarities
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a135bda9d93286353c538f82f8c361a4
https://doi.org/10.1007/s10947-006-0091-4
https://doi.org/10.1007/s10947-006-0091-4
Publikováno v:
Russian Journal of General Chemistry. 72:997-1006
Structure and properties of dispersed and compact nanocrystalline vanadium carbide VC0.875 were studied. Dispersed vanadium nanocarbide was prepared by prolonged aging of a coarse-grained VC0.875 powder. It has a unique nanostructure: nanocrystallite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::941c06cfa88fbcdf2757489dc1bd4fbb
https://doi.org/10.1023/a:1020769825511
https://doi.org/10.1023/a:1020769825511
Publikováno v:
Inorganic Materials. 36:695-698
X-ray diffraction and microstructural studies show that, in the composition range TiC0.50-TiC0.70, annealing TiC y at temperatures below 1073 K gives rise to the formation of Ti2C and Ti3C2 ordered phases. The effect of ordering on the microstructure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b11468b0725e57df89ebc0cda5a801d
https://doi.org/10.1007/bf02758424
https://doi.org/10.1007/bf02758424