Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Relative dielectric permittivity"'
Autor:
Eugen Mircea Anitas, Andrei Munteanu, Michal Sedlacik, Ioan Bica, Lenka Munteanu, Jaroslav Stejskal
Publikováno v:
Results in Physics, Vol 61, Iss , Pp 107768- (2024)
In this work, two magnetorheological suspensions composed of polypyrrole nanorods decorated with magnetite nanoparticles and suspended in silicone oil were studied as electrical devices. The electrical devices (EDs) were fabricated in a unique cell u
Externí odkaz:
https://doaj.org/article/45a0d1075964494cbb6a9bab362a72cd
Publikováno v:
Materials, Vol 17, Iss 16, p 3941 (2024)
This study aims to develop low-cost, eco-friendly, and circular economy-compliant composite materials by creating three types of magnetorheological suspensions (MRSs) utilizing lard, carbonyl iron (CI) microparticles, and varying quantities of gelati
Externí odkaz:
https://doaj.org/article/14ccdae340084c97b23631d55dc7631f
Publikováno v:
Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 2 (2023)
Background. At present, much attention is paid to the dielectric engineering of the material of the surrounding matrix and low-dimensional structures, which makes it possible to purposefully change their properties and optimize the characteristics of
Externí odkaz:
https://doaj.org/article/388d03a8e98240c5b934ebc607c13032
Akademický článek
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Akademický článek
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Akademický článek
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Autor:
Ioan Bica, Gabriela-Eugenia Iacobescu
Publikováno v:
Materials, Vol 16, Iss 8, p 3222 (2023)
In this paper, we report the preparation of two new composite materials based on cotton fibers and magnetic liquid consisting of magnetite nanoparticles and light mineral oil. Using the composites and two simple textolite plates plated with copper fo
Externí odkaz:
https://doaj.org/article/4ae8b549a07d417ca0eac7f510931b6e
Publikováno v:
Magnetochemistry, Vol 8, Iss 9, p 104 (2022)
The multiferroic β-NaFeO2 is theoretically investigated for the first time using a microscopic model and Green’s function technique. A small room-temperature ferromagnetism is observed, which could be explained by canting of the antiferromagnetic
Externí odkaz:
https://doaj.org/article/c4e9bcbdd90a473bb8643329c950c31c
Autor:
Ioan Bica, Gabriela-Eugenia Iacobescu
Publikováno v:
Polymers, Vol 14, Iss 10, p 2062 (2022)
In this study, magnetizable polyurethane sponges (MSs) were obtained from commercial absorbent polyurethane sponges (PSs) doped with carbonyl iron microparticles (CIPs). Based on MSs, we manufactured cylindrical capacitors (CCs). The CCs were subject
Externí odkaz:
https://doaj.org/article/a0392008a42e4fd3836998c522a699de
Publikováno v:
Remote Sensing, Vol 13, Iss 8, p 1510 (2021)
Ground Penetrating Radar (GPR) has been used recently for diagnostics of the railway infrastructure, particularly the ballast layer. To overcome ballast fouling, mechanized ballast cleaning process, which increases track occupancy time and cost, is u
Externí odkaz:
https://doaj.org/article/c1ea3d6cd38840baae04baefb63f029a