Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Valentina Yukhno"'
Publikováno v:
Crystals, Vol 14, Iss 7, p 600 (2024)
The thermal expansion of four alkaline-earth borates, namely Ca3B2O6 (0D), CaB2O4 (1D), Sr3B14O24 (2D) and CaB4O7 (3D), has been studied by in situ high-temperature powder X-ray diffraction (HTXRD). Strong anisotropy of thermal expansion is observed
Externí odkaz:
https://doaj.org/article/48c17d706ff84d8eb823eaff6e451974
Autor:
Rimma Bubnova, Valentina Yukhno, Artem Yurev, Alexey Povolotskiy, Maria Krzhizhanovskaya, Sergey Volkov, Valery Ugolkov, Stanislav Filatov
Publikováno v:
Crystals, Vol 13, Iss 9, p 1395 (2023)
A novel non-centrosymmetric NdSr4O(BO3)3 borate and solid solutions of Nd(Ca1−xSrx)4O(BO3)3 (x = 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.7, 1.0) were synthesized by solid-state reactions as well as crystallization from a melt. The crystal structures of the
Externí odkaz:
https://doaj.org/article/b6e406902fd642fbbdf05794cb666ecf
Autor:
Liudmila Gorelova, Sayana Khandarkhaeva, Valentina Yukhno, Maria Krzhizhanovskaya, Oleg Vereshchagin, Leonid S. Dubrovinsky
Publikováno v:
Journal of Alloys and Compounds. 938:168642
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5184b42f2d1a3acc4e564192ea773b0b
https://doi.org/10.1016/j.jallcom.2022.168642
https://doi.org/10.1016/j.jallcom.2022.168642
Autor:
Rimma S. Bubnova, Valentina Yukhno, M. G. Krzhizhanovskaya, Ilya E. Kolesnikov, A. V. Povolotskii
Publikováno v:
Glass Physics and Chemistry. 46:415-423
A number of new solid solutions Ca3 − 1.5xErx□0.5xB2SiO8 (x = 0–0.4) based on borosilicate Ca3B2SiO8 are synthesized: homogeneous solid solutions with х = 0–0.125 are structurally similar to the low-temperature monoclinic polymorphic modific
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e85d336e902c7b42c5ce528b9bbb7130
https://doi.org/10.1134/s1087659620050132
https://doi.org/10.1134/s1087659620050132
Autor:
Maria G. Krzhizhanovskaya, Valentina Yukhno, Ilya E. Kolesnikov, Valery Ugolkov, Alexey Povolotskiy, Sergey Volkov, Rimma S. Bubnova
Publikováno v:
Solid State Sciences. 83:82-89
New cation-deficient solid solutions of Ca3–1.5xYbx□0.5xB2SiO8 (x = 0–0.4) based on Ca3B2SiO8 borosilicate were synthesized. It was found that solid solutions in the range 0 ≤ x
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d10a064d70f669e63b6819018d03513a
https://doi.org/10.1016/j.solidstatesciences.2018.07.002
https://doi.org/10.1016/j.solidstatesciences.2018.07.002
Publikováno v:
Zeitschrift für Kristallographie - Crystalline Materials. 233:379-390
The low-temperature polymorphβ-Ca11B2Si4O22crystallizes as a monoclinic structure [space group isP21/c,a=14.059(9),b=6.834(5),c=10.597(7) Å,β=100.735(8)°]. The crystal investigated by single-crystal X-ray diffraction was a twin composed of six in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3eaa1c753063a4698cb94a84fbb9a3d
https://doi.org/10.1515/zkri-2017-2112
https://doi.org/10.1515/zkri-2017-2112
Publikováno v:
Solid State Sciences. 121:106726
A sequence of reversible phase transitions γ ↔ β′ (at 511°С) ↔ α (at 587°С) was found in Ca2B2O5 by high-temperature X-ray powder diffraction, DSC and in the high-temperature Raman spectroscopy. The crystal structure of high-temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46d75c92c62a59bed803303f8cc51add
https://doi.org/10.1016/j.solidstatesciences.2021.106726
https://doi.org/10.1016/j.solidstatesciences.2021.106726
Publikováno v:
Glass Physics and Chemistry. 43:484-487
New solid solutions Ca3B2 + x Si1–x O8–x/2 based on monoclinic borosilicate β-Ca3B2SiO8 are prepared using crystallization from a melt. The homogeneity range of solid solutions (0 < х ≤ 0.86) is determined and the thermal behavior of solid so
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c8dcf1a50e46ab0a49ba99f2e17d296
https://doi.org/10.1134/s1087659617050194
https://doi.org/10.1134/s1087659617050194
Publikováno v:
Glass Physics and Chemistry. 42:349-358
Single crystals of the β-Ca3B2SiO8 new monoclinic modification have been obtained by cooling the melt of a stoichiometric composition. The crystal structure has been determined from the single crystal X-ray diffraction data and refined with R = 0.05
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4d5395ab33e3989168ed86fb1fb2c69
https://doi.org/10.1134/s1087659616040052
https://doi.org/10.1134/s1087659616040052
Publikováno v:
Acta Crystallographica Section A Foundations and Advances. 75:e274-e274
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7aa4d0baf0f4b12df0c18226d8449c3c
https://doi.org/10.1107/s2053273319092829
https://doi.org/10.1107/s2053273319092829