Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Ivan Shepa"'
Autor:
Radka Gorejová, Natália Podrojková, Katarína Sisáková, Jana Shepa, Ivan Shepa, Alexandra Kovalčíková, Ivana Šišoláková, František Kaľavský, Renáta Oriňaková
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract Polymer-coated metals may act as biodegradable orthopedic implants with adjustable corrosion rates. Metallic surfaces represent a dynamic system with specific interactions occurring after the material is implanted into the human body. An add
Externí odkaz:
https://doaj.org/article/5db67e2bbbff4e5fa864c5f4cf6e8fff
Autor:
Ivan Shepa, Erika Mudra, Dominika Capkova, Alexandra Kovalcikova, Ondrej Petrus, Frantisek Kromka, Ondrej Milkovic, Vitaliy Antal, Matej Balaz, Maksym Lisnichuk, Dominika Marcin-Behunova, Dóra Zalka, Jan Dusza
Publikováno v:
Inorganics, Vol 11, Iss 12, p 456 (2023)
This contribution describes the preparation, coupled with detailed characterization, of Nb2O5 nanofibers and their application in lithium–sulfur batteries for the improvement of electrochemical performance. The utilization of reactive needle-less e
Externí odkaz:
https://doaj.org/article/915e9cb5de2a44008f13bf18c1b1bbd8
Publikováno v:
Inorganics, Vol 11, Iss 10, p 376 (2023)
Lanthanide Metal–Organic Frameworks (LnMOFs), in recent years, have developed into an interesting subclass of MOFs. While the number of published papers, in particular, were dedicated to their synthesis and functional properties, along with the app
Externí odkaz:
https://doaj.org/article/7405fc98a1c94942a0e6489878683c4a
Autor:
Helena Brunckova, Erika Mudra, Magdalena Streckova, Lubomir Medvecky, Tibor Sopcak, Ivan Shepa, Alexandra Kovalcikova, Maksym Lisnichuk, Hristo Kolev
Publikováno v:
Nanomaterials, Vol 12, Iss 16, p 2817 (2022)
The present study is focused on the synthesis and structural properties of amorphous terbium metal–organic framework thin film (TbMOF-TF) and its transformation to terbium oxide by pyrolysis at 450 °C in the air. The crystalline (cTbMOF) and amorp
Externí odkaz:
https://doaj.org/article/80088d9cb8dc411984b2834a01c455ac
Autor:
Katarzyna Pietrzak, Agata Strojny-Nędza, Kamil Kaszyca, Ivan Shepa, Erika Mudra, Marek Vojtko, Jan Dusza, Vitaliy Antal, Jana Hovancova, Marcin Chmielewski
Publikováno v:
Metals, Vol 10, Iss 8, p 1009 (2020)
The thermal and oxidation resistance of elements found in the combustion boilers of power generation plants are some of the most important factors deciding their effectiveness. This paper shows the experimental results of the influence of NiCr-based
Externí odkaz:
https://doaj.org/article/b042941cbc584c149c91b0d199a52cfb
Autor:
Erika Mudra, Ihor Koribanich, Monika Hrubovčáková, Ivan Shepa, Alexandra Kovalcikova, Jan Dusza
Publikováno v:
Journal of Nano Research. 78:17-22
The present work aims at the preparation and characterization of ceramic layered composite prepared from fine submicron-sized Al2O3 with the addition of electrospun graphene-coated Al2O3 fibers (Al2O3/G-Fs) by Spark Plasma Sintering with double press
Autor:
Ihor Koribanich, Erika Mudra, Ivan Shepa, Monika Hrubovcakova, Alexandra Kovalcikova, Vladimir Girman, David Pavlinak, Matej Balaz, Jan Dusza
Publikováno v:
Ceramics International.
Publikováno v:
Defect and Diffusion Forum. 405:324-329
SnO2 is an n-type semiconductor with the band gap energy of 3.6 eV. It has been widely studied for gas sensing applications, the sensitivity of which can be easily tuned by the operating temperature. The presented paper is focused on the preparation
Autor:
Radka Gorejová, Natália Podrojková, Katarína Sisáková, Jana Shepa, Ivan Shepa, Alexandra Kovalčíková, Ivana Šišoláková, František Kaľavský, Renáta Oriňaková
Publikováno v:
Scientific reports. 12(1)
Polymer-coated metals may act as biodegradable orthopedic implants with adjustable corrosion rates. Metallic surfaces represent a dynamic system with specific interactions occurring after the material is implanted into the human body. An additional l
Publikováno v:
Acta Physica Polonica A. 137:800-802