Memory and superposition in a superspin glass

Autor: D. Peddis, K. N. Trohidou, M. Vasilakaki, G. Margaris, M. Bellusci, F. Varsano, M. Hudl, N. Yaacoub, D. Fiorani, P. Nordblad, R. Mathieu

Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)

Abstract The non-equilibrium dynamics of the superspin glass state of a dense assembly of ~ 2 nm MnFe2O4 nanoparticles was investigated by means of magnetization, ac susceptibility and Mössbauer spectroscopy measurements and compared to the results

Externí odkaz: https://doaj.org/article/e690c009d46d466d9b00bc7620062366

Tailoring defects and nanocrystal transformation for optimal heating power in bimagnetic CoyFe1−yO@CoxFe3−xO4 particles

Autor: Emil S. Božin, Milinda Abeykoon, M. Vasilakaki, Vincenzo Iannotti, Kalliopi N. Trohidou, George Antonaropoulos, Giovanni Ausanio, Alexandros Lappas

Publikováno v: Nanoscale. 14:382-401

The effects of cobalt incorporation in spherical heterostructured iron oxide nanocrystals (NCs) of sub-critical size have been explored by colloidal chemistry methods. Synchrotron X-ray total scattering methods suggest that cobalt (Co) substitution i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a837f015a7d0184c0c7d58334db3e19
https://doi.org/10.1039/d1nr05172e

Interplay between inter- and intraparticle interactions in bi-magnetic core/shell nanoparticles

Autor: G. Margaris, M. Vasilakaki, Silvia Villa, Fabio Canepa, Davide Peddis, Alexander Omelyanchik, A. M. Ferretti, Gurvinder Singh, A. Ponti, Kalliopi N. Trohidou

Publikováno v: Nanoscale advances Online 3 (2021): 6912–6924. doi:10.1039/d1na00312g
info:cnr-pdr/source/autori:Omelyanchik A.; Villa S.; Vasilakaki M.; Singh G.; Ferretti A.M.; Ponti A.; Canepa F.; Margaris G.; Trohidou K.N.; Peddis D./titolo:Interplay between inter-and intraparticle interactions in bi-magnetic core%2Fshell nanoparticles/doi:10.1039%2Fd1na00312g/rivista:Nanoscale advances Online/anno:2021/pagina_da:6912/pagina_a:6924/intervallo_pagine:6912–6924/volume:3

The synthesis strategy and magnetic characterisation of two systems consisting of nanoparticles with core/shell morphology are presented: an assembly of hard/soft nanoparticles with cores consisting of magnetically hard cobalt ferrite covered by a ma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b2908f2863a93174f9a04685a591518
https://doi.org/10.1039/d1na00312g

Memory and superposition in a superspin glass

Autor: Matthias Hudl, M. Vasilakaki, Kalliopi N. Trohidou, Mariangela Bellusci, Roland Mathieu, Davide Peddis, Nader Yaacoub, Francesca Varsano, G. Margaris, Dino Fiorani, Per Nordblad

Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
Scientific Reports

The non-equilibrium dynamics of the superspin glass state of a dense assembly of ~ 2 nm MnFe2O4 nanoparticles was investigated by means of magnetization, ac susceptibility and Mössbauer spectroscopy measurements and compared to the results of Monte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95481942a1a86297fd13834a020860f3
https://www.nature.com/articles/s41598-021-87345-1

Effect of albumin mediated clustering on the magnetic behavior of MnFe2O4 nanoparticles: Experimental and theoretical modeling study

Autor: Davide Peddis, Kalliopi N. Trohidou, M. Vasilakaki, Roland Mathieu, Francesca Varsano, N. Ntallis, Mariangela Bellusci, Dino Fiorani

Publikováno v: Nanotechnology

Over the last two decades, iron oxide based nanoparticles ferrofluids have attracted significant attention for a wide range of applications. For the successful use of these materials in biotechnology and energy, surface coating and specific functiona

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51648c26ca53f0e8203c10f2c0efda03
https://iopscience.iop.org/article/10.1088/1361-6528/ab4764/pdf