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Supermagnetism
S Bedanta, W Kleemann - Journal of Physics D: Applied Physics, 2008 - iopscience.iop.org
An ensemble of nanoparticles in which the inter-particle magnetic interactions are
sufficiently weak shows superparamagnetic behaviour as described by the Néel–Brown …
sufficiently weak shows superparamagnetic behaviour as described by the Néel–Brown …
Superparamagnetic nanoparticle ensembles
O Petracic - Superlattices and Microstructures, 2010 - Elsevier
Magnetic single-domain nanoparticles constitute an important model system in magnetism.
In particular, ensembles of superparamagnetic nanoparticles can exhibit a rich variety of …
In particular, ensembles of superparamagnetic nanoparticles can exhibit a rich variety of …
[کتاب][B] Handbook of magnetic materials
KHJ Buschow - 2003 - books.google.com
Volume 15 of the Handbook on the Properties of Magnetic Materials, as the preceding
volumes, has a dual purpose. As a textbook it is intended to be of assistance to those who …
volumes, has a dual purpose. As a textbook it is intended to be of assistance to those who …
Large magnetic cooling power involving frustrated antiferromagnetic spin-glass state in
S Pakhira, C Mazumdar, R Ranganathan, S Giri… - Physical Review B, 2016 - APS
The ternary intermetallic compounds Gd 2 NiSi 3 and Er 2 NiSi 3 are synthesized in
chemically single phase, which are characterized using dc magnetization, ac magnetic …
chemically single phase, which are characterized using dc magnetization, ac magnetic …
Aging and memory effects in superparamagnets and superspin glasses
M Sasaki, PE Jönsson, H Takayama, H Mamiya - Physical Review B …, 2005 - APS
Many dense magnetic nanoparticle systems exhibit slow dynamics which is qualitatively
indistinguishable from that observed in atomic spin glasses and its origin is attributed to …
indistinguishable from that observed in atomic spin glasses and its origin is attributed to …
Memory effects in an interacting magnetic nanoparticle system
Y Sun, MB Salamon, K Garnier, RS Averback - Physical review letters, 2003 - APS
We have performed a series of measurements to study the low temperature dynamics of an
interacting magnetic nanoparticle system. The results obtained demonstrate striking memory …
interacting magnetic nanoparticle system. The results obtained demonstrate striking memory …
Observation of superspin-glass behavior in nanoparticles
M Suzuki, SI Fullem, IS Suzuki, L Wang… - Physical Review B …, 2009 - APS
The aging and memory effects of Fe 3 O 4 nanoparticles have been studied using a series of
zero-field-cooled (ZFC) and field-cooled magnetization measurements at various aging …
zero-field-cooled (ZFC) and field-cooled magnetization measurements at various aging …
Collective states of interacting ferromagnetic nanoparticles
O Petracic, X Chen, S Bedanta, W Kleemann… - Journal of Magnetism …, 2006 - Elsevier
Discontinuous magnetic multilayers [CoFe/Al2O3] are studied by use of magnetometry,
susceptometry and numeric simulations. Soft ferromagnetic Co80Fe20 nanoparticles are …
susceptometry and numeric simulations. Soft ferromagnetic Co80Fe20 nanoparticles are …
Crossover from individual to collective magnetism in dense nanoparticle systems: local anisotropy versus dipolar interactions
EH Sánchez, M Vasilakaki, SS Lee, PS Normile… - Small, 2022 - Wiley Online Library
Dense systems of magnetic nanoparticles may exhibit dipolar collective behavior. However,
two fundamental questions remain unsolved: i) whether the transition temperature may be …
two fundamental questions remain unsolved: i) whether the transition temperature may be …
Spin-glass-like freezing of inner and outer surface layers in hollow γ-Fe2O3 nanoparticles
H Khurshid, P Lampen-Kelley, Ò Iglesias, J Alonso… - Scientific reports, 2015 - nature.com
Disorder among surface spins is a dominant factor in the magnetic response of magnetic
nanoparticle systems. In this work, we examine time-dependent magnetization in high …
nanoparticle systems. In this work, we examine time-dependent magnetization in high …