Zobrazeno 1 - 10
of 127
pro vyhledávání: '"Massimiliano Polichetti"'
Autor:
Alina M. Badea (Ionescu), Ion Ivan, Corneliu F. Miclea, Daniel N. Crisan, Armando Galluzzi, Massimiliano Polichetti, Adrian Crisan
Publikováno v:
Materials, Vol 17, Iss 21, p 5340 (2024)
Among many iron-based superconductors, isovalently substituted BaFe2(As1−xPx)2 displays, for x ≈ 0.3, apart from the quite usual Second Magnetization Peak (SMP) in the field dependence of the critical current density, an unusual peak effect in th
Externí odkaz:
https://doaj.org/article/b722c296fd4a487db3e3f4808e8ec1d2
Autor:
Gaia Grimaldi, Masood R. Khan, Antonio Leo, Mario Scuderi, Francesco Rizzo, Andrea Augieri, Giuseppe Celentano, Armando Galluzzi, Michela Iebole, Massimiliano Polichetti, Angela Nigro, Valeria Braccini
Publikováno v:
iScience, Vol 27, Iss 4, Pp 109422- (2024)
Summary: Discovery of iron-based superconductors paved the way to a competitor of high-temperature superconductors, easier to produce, better performing in high fields, and promising to be less expensive. Critical parameters are investigated by resis
Externí odkaz:
https://doaj.org/article/d715d7cccdca4805945dad7de9832b5d
Autor:
Armando Galluzzi, Adrian Crisan, Alina Marinela Ionescu, Ion Ivan, Antonio Leo, Gaia Grimaldi, Massimiliano Polichetti
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7664 (2024)
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Externí odkaz:
https://doaj.org/article/a3810a94964b4bffab2adfdd0f40fadf
Autor:
Armando Galluzzi, Adrian Crisan, Alina Marinela Ionescu, Ion Ivan, Antonio Leo, Gaia Grimaldi, Massimiliano Polichetti
Publikováno v:
Applied Sciences, Vol 14, Iss 11, p 4379 (2024)
The study of granularity in superconducting films by using AC susceptibility has a crucial role in the development of and improvement in the ReBCO-coated conductors, which are a constantly evolving reality in the modern power applications of supercon
Externí odkaz:
https://doaj.org/article/41e01d6b145d4fa586c8ae7d077ee633
Autor:
Franco Dinelli, Michele Modestino, Armando Galluzzi, Tamara Posati, Mirko Seri, Roberto Zamboni, Giovanna Sotgiu, Franco Corticelli, Massimiliano Polichetti
Publikováno v:
Applied Sciences, Vol 14, Iss 3, p 1106 (2024)
Magnetic nanoparticles (MNPs) are interesting for their potential employment in biomedical and environmental technologies. Although they have been characterized by many techniques, there are some issues that need to be solved. For instance, it is not
Externí odkaz:
https://doaj.org/article/70ac1c7182b849a397c2f7928103fb0d
Autor:
Armando Galluzzi, Krastyo Buchkov, Vihren Tomov, Elena Nazarova, Antonio Leo, Gaia Grimaldi, Adrian Crisan, Massimiliano Polichetti
Publikováno v:
Condensed Matter, Vol 8, Iss 4, p 91 (2023)
The effect of the demagnetizing factor, regarding the determination of the de-pairing current density Jdep, has been studied in the case of a Fe(Se,Te) crystal, using DC magnetic measurements as a function of a magnetic field (H) at different tempera
Externí odkaz:
https://doaj.org/article/3b8e34d9675943819a7244d20c25057a
Autor:
Alina M. Ionescu, Ion Ivan, Corneliu F. Miclea, Daniel N. Crisan, Armando Galluzzi, Massimiliano Polichetti, Adrian Crisan
Publikováno v:
Condensed Matter, Vol 8, Iss 4, p 93 (2023)
Among various “families” of iron-based superconductors, the quite recently discovered AeAFe4As4 (where Ae is an alkali-earth metal and A is an alkali metal) has high critical current density, a very high upper critical field, and a low anisotropy
Externí odkaz:
https://doaj.org/article/6141ea2f514d4ea1b1b933c3cd77df9c
Autor:
Armando Galluzzi, Krastyo Buchkov, Blagoy S. Blagoev, Albena Paskaleva, Ivalina Avramova, Vladimir Mehandhziev, Peter Tzvetkov, Penka Terziyska, Daniela Kovacheva, Massimiliano Polichetti
Publikováno v:
Materials, Vol 16, Iss 19, p 6547 (2023)
The magneto-optical (MO) Kerr effects for ZnO and ZnO:Ni-doped nanolaminate structures prepared using atomic layer deposition (ALD) have been investigated. The chemical composition and corresponding structural and morphological properties were studie
Externí odkaz:
https://doaj.org/article/d79070b3b52e4f2697cb50210e3f37bf
Publikováno v:
Materials, Vol 16, Iss 14, p 4896 (2023)
The versatile AC magnetic susceptibility technique offers a detailed insight into the complex electrodynamic phenomena in superconductors. In the present study, we outline the key effects related to the temperature, AC field amplitude and frequency v
Externí odkaz:
https://doaj.org/article/b17e9123d349414b983fcbedd2459f67
Autor:
Franco Dinelli, Michele Modestino, Armando Galluzzi, Tamara Posati, Mirko Seri, Roberto Zamboni, Giovanna Sotgiu, Massimiliano Polichetti
Publikováno v:
Nanomaterials, Vol 13, Iss 14, p 2029 (2023)
Hydrotalcites (HTlcs) are a class of nanostructured layered materials that may be employed in a variety of applications, from green to bio technologies. In this paper, we report an investigation on HTlcs made of Mg and Fe, recently employed to improv
Externí odkaz:
https://doaj.org/article/e7de8a7eacfa46c5be8a17d926cdbb51