Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Pavel V. Mateychenko"'
Autor:
Wojciech Kucharczyk, Oleksii Kapustnik, D. S. Sofronov, Oleksii Demidov, Elena Sofronova, Andrii Doroshenko, Miroslaw Rucki, Anna Shaposhnyk, Pavel V. Mateychenko
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 12201-12212 (2020)
In the paper, impact of the precursor decomposition conditions on the morphological and structural characteristics of TiO2 particles was discussed. The novelty and significance of the researches lay in the ability to control morphological features of
Autor:
Nan Jiang, Jiang Li, A.E. Balabanov, Pavel V. Mateychenko, Lucian Gheorghe, A.V. Tolmachev, R.P. Yavetskiy, O.S. Kryzhanovska, A.G. Doroshenko, Monica Enculescu, S.V. Parkhomenko
Publikováno v:
Journal of Advanced Ceramics, Vol 10, Iss 1, Pp 49-61 (2020)
Y2O3:Yb3+ 5 at% ceramics have been synthesized by the reactive sintering method using different commercial yttria powders (Alfa-Micro, Alfa-Nano, and ITO-V) as raw materials. It has been shown that all Y2O3 starting powders consist from agglomerates
Autor:
A. Balabanov, S.V. Parkhomenko, Vyacheslav N. Baumer, L. Kravchenko, M. Dobrotvorska, R.P. Yavetskiy, O.S. Kryzhanovska, I.O. Vorona, I. Matolínová, Pavel V. Mateychenko
Publikováno v:
Journal of the European Ceramic Society. 40:861-866
The paper studies the features of Mg2+ ions as sintering aid for reactive solid-state sintering of YAG transparent ceramics. Phase composition, microstructure and optical properties of YAG ceramics, doped by 0 ÷ 0.15 wt.% MgO, were investigated. Sol
Autor:
Svitlana V. Shishkina, A. V. Borisov, Victoria V. Lipson, O. A. Zhikol, Pavel V. Mateychenko, A. N. Semenenko, Alexander V. Mazepa
Publikováno v:
New Journal of Chemistry. 43:13112-13121
Three novel isomeric supramolecular dehydroepiandrosterone appended 1,2,3-triazole-based potential gelators were synthesized. Their ability to form gels in different solvents was studied experimentally as well as at the molecular level by means of mo
Publikováno v:
Journal of Solid State Chemistry. 266:133-142
Structure and thermolysis of NiC2O4·2H2O (I) and Ni(HCO2)2·2H2O (II) were studied for the precipitated powders from the water solutions of precursors. The compound (I) has a disordered structure (C2/c, a=11.7916(5), b= 5.31798(14), c= 9.7806(7) A,
Autor:
O. Zelenskaya, Yanina Boyaryntseva, A. Shaposhnyk, Serhii Tkachenko, Iaroslav Gerasymov, Borys Grynyov, P. Arhipov, Kheirreddine Lebbou, Oleg Sidletskiy, O. Hryshyna, E. Galenin, Pavel V. Mateychenko
Publikováno v:
CrystEngComm
CrystEngComm, Royal Society of Chemistry, 2021, 23 (2), pp.360-367. ⟨10.1039/D0CE01128B⟩
CrystEngComm, Royal Society of Chemistry, 2021, 23 (2), pp.360-367. ⟨10.1039/D0CE01128B⟩
International audience; The expensive Ir-consuming growth technology is the main obstacle at widening the area of ortho- and pyrosilicate crystal applications. Possibilities for growing silicate single crystals from melt using Mo or W crucibles in cr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4644caed673abb6a6558f911b2170ce2
https://hal.archives-ouvertes.fr/hal-03030848
https://hal.archives-ouvertes.fr/hal-03030848
Publikováno v:
Journal of Solid State Chemistry. 260:87-94
It is found that the known regular structures of MnC2O4·2H2O (I) do not allow to refine the powder X-ray pattern of (I) properly using the Rietveld method. Implementation of order-disorder scheme [28] via the including of appropriate displacement ve
Publikováno v:
Acta Crystallographica Section C Structural Chemistry. 73:911-916
The known metal–C2O4 structures may be divided into two modifications, α and β. The α-modification has an order–disorder struxture, revealing one-dimensional disordering of the metal–oxalate chains, and the β-modification is ordered. The cr
Autor:
Sergey M. Desenko, D. S. Sofronov, L.V. Rudenko, A. M. Odnovolova, L. V. Gudzenko, A. M. Lebedynskiy, Pavel V. Mateychenko
Publikováno v:
Functional materials. 24:005-327
Publikováno v:
Journal of Solid State Chemistry. 246:264-268
Crystal structure of the silver formate Ag(HCO2) has been determined (orthorhombic, sp.gr. Pccn, a=7.1199(5), b=10.3737(4), c=6.4701(3)A, V=477.88(4) A3, Z=8). The structure contains isolated formate ions and the pairs Ag22+ which form the layers in