Magneto-granulometric analysis of concentrated ferrocolloids

AF Pshenichnikov, VV Mekhonoshin… - Journal of magnetism and …, 1996 - Elsevier
This study presents two improvements to the reliability of magneto-granulometric analysis.
The first considers the use of a two-parametric function to approximate the size distribution of …

Revealing the signature of dipolar interactions in dynamic spectra of polydisperse magnetic nanoparticles

AO Ivanov, VS Zverev, SS Kantorovich - Soft matter, 2016 - pubs.rsc.org
We investigate, via a modified mean field approach, the dynamic magnetic response of a
polydisperse dipolar suspension to a weak, linearly polarised, AC field. We introduce an …

On the theory of Debye and Néel relaxation of single domain ferromagnetic particles

WT Coffey, PJ Cregg, YP Kalmykov - Advances in chemical …, 1992 - books.google.com
ささきいさ Χ d ན་ $(d) unit vector in direction of the internal anisotropy axis of a ferromagnetic
particle unit vector in the direction of the magnetization direction of external magnetic field …

Influence of dipolar interactions on the magnetic susceptibility spectra of ferrofluids

JO Sindt, PJ Camp, SS Kantorovich, EA Elfimova… - Physical Review E, 2016 - APS
The frequency-dependent magnetic susceptibility of a ferrofluid is calculated under the
assumption that the constituent particles undergo Brownian relaxation only. Brownian …

Dynamic susceptibility of a concentrated ferrofluid: The role of interparticle interactions

AV Lebedev, VI Stepanov, AA Kuznetsov, AO Ivanov… - Physical Review E, 2019 - APS
The dynamic susceptibility of concentrated ferrofluids of magnetite-kerosene type is studied
experimentally to clarify the effect of interparticle interactions on the magnetization reversal …

Magnetic properties of ferrocolloids

MI Shliomis, AF Pshenichnikov, KI Morozov… - Journal of magnetism …, 1990 - Elsevier
The influence of interparticle magneto-dipole interactions and the disperse composition of
ferrocolloids upon their static and dynamic magnetic properties is investigated. It is found …

Dynamic magnetic susceptibility of a ferrofluid: The influence of interparticle interactions and ac field amplitude

MS Rusanov, VS Zverev, EA Elfimova - Physical Review E, 2021 - APS
Based on numerical results of dynamic susceptibility, a simple theory of the dynamic
response of a ferrofluid to an ac magnetic field is obtained that includes both the effects of …

Magnetophoresis of particles and aggregates in concentrated magnetic fluids

AF Pshenichnikov, AS Ivanov - Physical Review E—Statistical, Nonlinear, and …, 2012 - APS
Experimental and theoretical studies were carried out to investigate the problem of
magnetophoresis in a thin layer of concentrated magnetic fluids, concerning the aspect of …

Temperature-dependent dynamic correlations in suspensions of magnetic nanoparticles in a broad range of concentrations: a combined experimental and theoretical …

AO Ivanov, SS Kantorovich, VS Zverev… - Physical Chemistry …, 2016 - pubs.rsc.org
The interweave of competing individual relaxations influenced by the presence of
temperature and concentration dependent correlations is an intrinsic feature of …

[HTML][HTML] Effects of interactions, structure formation, and polydispersity on the dynamic magnetic susceptibility and magnetic relaxation of ferrofluids

AO Ivanov, PJ Camp - Journal of Molecular Liquids, 2022 - Elsevier
Linear response theory relates the decay of equilibrium magnetisation fluctuations in a
ferrofluid to the frequency-dependent response of the magnetisation to a weak ac external …