Zobrazeno 1 - 10
of 13
pro vyhledávání: '"A. I. Kachmar"'
Publikováno v:
Фізика і хімія твердого тіла, Vol 20, Iss 1, Pp 63-68 (2019)
The paper presents the experimental results of the hydrothermal synthesis composite materials based on the MoS2 and carbon using different types of detergents (cetyltrimethylammonium bromide and Triton-X) or microporous carbon. The synthesized materi
Externí odkaz:
https://doaj.org/article/e457e00d300a4b32882832ebb4721dda
Autor:
M.A. Hodlevskyi, I. M. Budzulyak, Ruslan Zapukhlyak, L.V. Turovska, A. I. Kachmar, V. M. Boychuk, V.O. Kotsyubynsky, M.A. Hodlevska
Publikováno v:
Фізика і хімія твердого тіла, Vol 22, Iss 2, Pp 372-379 (2021)
The aim of this paper is to compare the structural, morphological and electrical properties of the CuFe2O4 and CuFe2O4 / reduced graphene oxide composite. XRD and Mossbauer studies have shown that joint hydrothermal synthesis of cubic copper ferrite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::389bb139180ab639763b3733c74b4692
https://doi.org/10.15330/pcss.22.2.372-379
https://doi.org/10.15330/pcss.22.2.372-379
Autor:
Andrii I. Kachmar, M.A. Hodlevska, Volodymyr Kotsyubynsky, Mykola Hodlevsky, I. P. Yaremiy, V. M. Boychuk, Ruslan Zapukhlyak, B. I. Rachiy
Publikováno v:
Applied Nanoscience. 12:1131-1138
Ultrafine copper ferrite CuFe2O4 and also CuFe2O4/rGO and CuFe2O4/Carbon composite materials were obtained using hydrothermal method. The effect of carbon component presence and thermal treatment in a range of 573–773 K on the phase state, morpholo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a376c830480508680eee3b2686f5db7
https://doi.org/10.1007/s13204-021-01773-z
https://doi.org/10.1007/s13204-021-01773-z
Autor:
S. V. Fedorchenko, M.A. Hodlevska, V. M. Boychuk, Volodymyr Kotsyubynsky, R. I. Zapukhlyak, A. I. Kachmar
Publikováno v:
Molecular Crystals and Liquid Crystals. 717:60-71
Cobalt–iron spinel/reduced graphene oxide composite material was obtained by one-step hydrothermal synthesis. XRD, low temperature nitrogen adsorption, Mossbauer spectroscopy, micro-Raman spectrosc...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60cfc6971757e9a9423250307a6d74b1
https://doi.org/10.1080/15421406.2020.1860529
https://doi.org/10.1080/15421406.2020.1860529
Autor:
B. I. Rachiy, O.R. Bilogubka, A.A. Malakhov, M.A. Hodlevska, Andrii I. Kachmar, I.M. Budzuliak, V. M. Boychuk, Ruslan Zapukhlyak, V.O. Kotsyubynsky
Publikováno v:
Фізика і хімія твердого тіла, Vol 22, Iss 1, Pp 31-38 (2021)
The aim of this paper is the comparison of structural, morphological and electrical properties of thermally extended graphite synthesized by chemical oxidation of graphite with sulfur of nitric acids at all other same conditions. Thermal treatments o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::68f7c0a6d2f125bba8b6ad1fcaa91700
https://doi.org/10.15330/pcss.22.1.31-38
https://doi.org/10.15330/pcss.22.1.31-38
Autor:
M.L. Mokhnatskyi, V.M. Boichuk, V.O. Kotsyubynsky, L.V. Mokhnatska, A. I. Kachmar, M.A. Hodlevska, V.V. Bachuk, Kh. V. Bandura
Publikováno v:
Фізика і хімія твердого тіла, Vol 21, Iss 4, Pp 680-688 (2020)
In this work, ultrafine powders of b-FeOOH and Fe3O4 have been obtained by the precipitation method. The values of the specific surface area for materials b-FeOOH and Fe3O4 are 101 and 135 m2/h. Frequency dependences of specific electrical conductivi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fdfd9961f7c1ccbaa80a763b4760a99f
https://doi.org/10.15330/pcss.21.4.680-688
https://doi.org/10.15330/pcss.21.4.680-688
Autor:
I. P. Yaremiy, Kh.P. Cherkach, L.V. Mokhnatska, A. I. Kachmar, M.L. Mokhnatskyi, S. I. Yaremiy, P.I. Kolkovskyi
Publikováno v:
Фізика і хімія твердого тіла, Vol 21, Iss 4, Pp 635-639 (2020)
In this work, the Perovskite powders LaFe0.5Cr0.5O3 with a space group of P m - 3 m was obtained by the sol-gel method. The nanoscale powders of LaFe0.5Cr0.5O3 have been tested as a cathode material for electrochemical supercapacitors. The CVA and ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3883ee69b019af2f0e65e1af2a630ab9
https://journals.pnu.edu.ua/index.php/pcss/article/view/4434
https://journals.pnu.edu.ua/index.php/pcss/article/view/4434
Autor:
Volodymyr Boichuk, Andrii I. Kachmar, I. M. Budzulyak, S. I. Budzulyak, Volodymyr Kotsyubynsky, B. I. Rachiy, L. S. Yablon
Publikováno v:
Journal of Nano Research. 59:112-125
The electrochemical properties of the nitrogen-enriched carbons obtained by plant raw treatment as electrode material for supercapacitors were investigated by electrochemical impedance spectroscopy, cycling voltammetry and galvanostatic charge-discha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35649922f5dce56faf6d27e2908b4575
https://doi.org/10.4028/www.scientific.net/jnanor.59.112
https://doi.org/10.4028/www.scientific.net/jnanor.59.112
Autor:
Andrii I. Kachmar, Volodymyr Kotsyubynsky, B. I. Rachiy, I. M. Budzulyak, R. P. Lisovskiy, Volodymyra M. Boichuk
Publikováno v:
Fullerenes, Nanotubes and Carbon Nanostructures. 27:669-676
The microporous carbons samples were obtained on the base of plant feedstock using different modes of carbonization and chemical activation. The effect of N-doped microporous carbon synthes...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4c7e4ebb77a4e98b429f6582201a306
https://doi.org/10.1080/1536383x.2019.1618840
https://doi.org/10.1080/1536383x.2019.1618840
Autor:
M.A. Hodlevska, V.O. Kotsyubynsky, A. I. Kachmar, V. M. Boychuk, I. M. Budzulyak, M. A. Hodlevsky, B. I. Rachiy
Publikováno v:
Advances in Natural Sciences: Nanoscience and Nanotechnology. 12:035006
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34cadd00ebaf5e567262c0e4872df716
https://doi.org/10.1088/2043-6262/ac204f
https://doi.org/10.1088/2043-6262/ac204f