Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Oleksandr Pastukh"'
Publikováno v:
Crystals, Vol 14, Iss 4, p 375 (2024)
Micromagnetic computations were performed to predict the magnetisation maps in thin elliptically shaped nanoparticles under a variable external magnetic field. Two materials were compared as the constituents of the nanoparticles: permalloy as an exam
Externí odkaz:
https://doaj.org/article/01a3f08fef494015828e61cd53603c2b
Publikováno v:
Magnetism, Vol 3, Iss 1, Pp 34-44 (2023)
Theoretical calculations of the temperature-dependent magnetization in FeGd alloys were done with the use of Heisenberg-type atomistic spin Hamiltonian and Monte Carlo algorithms. The random allocation of atoms in the desired crystal structure was us
Externí odkaz:
https://doaj.org/article/0a3ac9d90fde438c8f7caaed9c544f3c
Autor:
Michał Adamek, Oleksandr Pastukh, Magdalena Laskowska, Agnieszka Karczmarska, Łukasz Laskowski
Publikováno v:
International Journal of Molecular Sciences, Vol 25, Iss 1, p 52 (2023)
Anchoringsingle-molecule magnets (SMMs) on the surface of nanostructures is gaining particular interest in the field of molecular magnetism. The accurate organization of SMMs on low-dimensional substrates enables controlled interactions and the possi
Externí odkaz:
https://doaj.org/article/def3f70bbe4b4a879b69e1c164c8e073
Publikováno v:
Crystals, Vol 13, Iss 12, p 1617 (2023)
Nanowires fabricated with experimental techniques are never perfect and possess structural imperfections. The effect of the resulting surface roughness on magnetic properties of iron nanowires has been simulated here with the use of numerical techniq
Externí odkaz:
https://doaj.org/article/cbb5e851b16f4a579fd984daf4516a88
Magnetic Behavior of the Arrays of Iron Cylindrical Nanostructures: Atomistic Spin Model Simulations
Autor:
Oleksandr Pastukh, Malgorzata Kac, Svitlana Pastukh, Dominika Kuźma, Mateusz Zelent, Maciej Krawczyk, Łukasz Laskowski
Publikováno v:
Crystals, Vol 13, Iss 3, p 537 (2023)
Cylindrical ferromagnetic nanowires are of particular interest in nanomaterials science due to various manufacturing methods and a wide range of applications in nanotechnology, with special attention given to those with diameters less than the single
Externí odkaz:
https://doaj.org/article/77ab11e078bb4fc1aee2c047a91dc446
Publikováno v:
Magnetochemistry, Vol 8, Iss 9, p 102 (2022)
Four different switching scenarios have been revealed for a linear chain of flat magnetic particles with long axes perpendicular to the axis of the chain. The diamond-like shape of the particles has been previously shown to be the best to ensure a un
Externí odkaz:
https://doaj.org/article/2d811f9bffd441ce86570bb20abc1551
Publikováno v:
Magnetochemistry, Vol 7, Iss 9, p 122 (2021)
The study of magnetic relaxations in Mn12-stearate single-molecule magnets deposited on the surface of spherical silica nanoparticles was performed. For such a purpose, the investigation of AC magnetic susceptibility dependence on the frequency and t
Externí odkaz:
https://doaj.org/article/a1972d5abddd4aceaadb2beb4d012e14
Autor:
Magdalena Laskowska, Oleksandr Pastukh, Andrii Fedorchuk, Mateusz Schabikowski, Paweł Kowalczyk, Marcin Zalasiński, Łukasz Laskowski
Publikováno v:
International Journal of Molecular Sciences, Vol 21, Iss 21, p 8137 (2020)
The ability to organize, separate and manipulate individual molecules and ions on a surface opens up almost unlimited opportunities. However, it often requires complex techniques and a proper support material. With this in mind, we show a new concept
Externí odkaz:
https://doaj.org/article/eb5e792ca3654812930e7fd45e612baa
Autor:
Magdalena Laskowska, Oleksandr Pastukh, Piotr Konieczny, Mateusz Dulski, Marcin Zalsiński, Lukasz Laskowski
Publikováno v:
Materials, Vol 13, Iss 11, p 2624 (2020)
The magnetic behaviour of Mn 12 -stearate single-molecule magnets (SMMs) ([ Mn 12 O 12 ( CH 3 ( CH 2 ) 16 CO 2 ) 16 ] · 2 CH 3 COOH · 4 H 2 O ) on the surface of 300 nm spherical silica nanoparticles were investigated. The SMMs were bonded at the s
Externí odkaz:
https://doaj.org/article/d600c2e64bdb4e76802df615b5e5d607
Autor:
Lukasz Laskowski, Iwan Kityk, Piotr Konieczny, Oleksandr Pastukh, Mateusz Schabikowski, Magdalena Laskowska
Publikováno v:
Nanomaterials, Vol 9, Iss 5, p 764 (2019)
The Mn12 single-molecule magnets (SMMs) could be attached to the surface of spherical silica for the first time with a high probability. This allowed separation of the individual molecular magnets and direct microscopic observation of the SMMs. We de
Externí odkaz:
https://doaj.org/article/5f69696b4ff347d5bbb5e62872b020b6