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 …

Superparamagnetism and other magnetic features in granular materials: a review on ideal and real systems

M Knobel, WC Nunes, LM Socolovsky… - … of nanoscience and …, 2008 - ingentaconnect.com
An overview on magnetic of nanostructured magnetic materials is presented, with particular
emphasis on the basic features displayed by granular nanomagnetic solids. Besides a …

[图书][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 …

Magnetic, Ferroelectric, and Magnetocapacitive Properties of Sonochemically Synthesized Sc-Doped BiFeO3 Nanoparticles

DP Dutta, BP Mandal, R Naik, G Lawes… - The Journal of …, 2013 - ACS Publications
We report the synthesis of undoped and Sc3+-doped BiFeO3 nanoparticles using the
sonochemical technique. X-ray diffraction reveals that all samples are single phase with no …

Effect of dipolar interaction observed in iron-based nanoparticles

JM Vargas, WC Nunes, LM Socolovsky, M Knobel… - Physical Review B …, 2005 - APS
Spherical magnetic nanoparticles with narrow size distribution and organic capping were
diluted in paraffin with different concentrations to verify the role of dipolar interactions on the …

Microstructural and magnetic investigations of wustite-spinel core-shell cubic-shaped nanoparticles

BP Pichon, O Gerber, C Lefevre, I Florea… - Chemistry of …, 2011 - ACS Publications
Most studies on the synthesis of nanoparticles are currently focused on the controlled
synthesis of new morphologies, including core-shell structures, which are expected to …

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 …

Specific absorption rate dependence on temperature in magnetic field hyperthermia measured by dynamic hysteresis losses (ac magnetometry)

E Garaio, O Sandre, JM Collantes, JA Garcia… - …, 2014 - iopscience.iop.org
Magnetic nanoparticles (NPs) are intensively studied for their potential use for magnetic
hyperthermia, a treatment that has passed a phase II clinical trial against severe brain …

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 …

Temperature dependence of the coercive field in single-domain particle systems

WC Nunes, WSD Folly, JP Sinnecker, MA Novak - Physical Review B …, 2004 - APS
The magnetic properties of Cu 97 Co 3 and Cu 90 Co 10 granular alloys were measured
over a wide temperature range (2–300 K). The measurements show an unusual temperature …