Magnetic nanofluids (Ferrofluids): Recent advances, applications, challenges, and future directions

J Philip - Advances in Colloid and Interface Science, 2023 - Elsevier
Impelled by the need to find solutions to new challenges of modern technologies new
materials with unique properties are being explored. Among various new materials that …

Optical properties and applications of ferrofluids—a review

J Philip, JM Laskar - Journal of nanofluids, 2012 - ingentaconnect.com
In recent years, ferrofluid has emerged as a new class of'smart nanofluid,'whose properties
are controllable by an external magnetic field. It is well known for its unique property of …

The effect of suspended Fe3O4 nanoparticle size on magneto-optical properties of ferrofluids

S Brojabasi, T Muthukumaran, JM Laskar… - Optics Communications, 2015 - Elsevier
We investigate the effect of hydrodynamic particle size on the magnetic field induced light
transmission and transmitted speckle pattern in water based ferrofluids containing …

Magnetic field induced extinction of light in a suspension of Fe3O4 nanoparticles

J Philip, JM Laskar, B Raj - Applied Physics Letters, 2008 - pubs.aip.org
We report magnetic field induced extinction of light in Mie regime using a magnetic nanofluid
containing Fe 3 O 4 nanoparticles of 6.7 nm⁠. At a critical applied magnetic field (HC 2)⁠ …

Light scattering in a magnetically polarizable nanoparticle suspension

JM Laskar, J Philip, B Raj - Physical Review E—Statistical, Nonlinear, and Soft …, 2008 - APS
We investigate magnetic-field-induced changes on transmitted light intensity in a magnetic
disordered phase of iron oxide nanoparticle suspension. We observe a dramatic decrease …

Experimental evidence of zero forward scattering by magnetic spheres

RV Mehta, R Patel, R Desai, RV Upadhyay, K Parekh - Physical review letters, 2006 - APS
Magnetically induced diffraction patterns by micron sized magnetic spheres dispersed in a
ferrofluid disappear at a certain critical magnetic field. This critical field is found to depend on …

Electromagnetic energy and negative asymmetry parameters in coated magneto-optical cylinders: Applications to tunable light transport in disordered systems

TJ Arruda, AS Martinez, FA Pinheiro - Physical Review A, 2016 - APS
We investigate electromagnetic scattering of normally irradiated gyrotropic, magneto-optical
core-shell cylinders using Lorenz-Mie theory. A general expression for time-averaged …

Tunable multiple Fano resonances in magnetic single-layered core-shell particles

TJ Arruda, AS Martinez, FA Pinheiro - Physical Review A, 2015 - APS
We investigate multiple Fano, comblike scattering resonances in single-layered, concentric
core-shell nanoparticles composed of magnetic materials. Using the Lorenz-Mie theory, we …

Unconventional Fano effect and off-resonance field enhancement in plasmonic coated spheres

TJ Arruda, AS Martinez, FA Pinheiro - Physical Review A—Atomic, Molecular …, 2013 - APS
We investigate light scattering by coated spheres composed of a dispersive plasmonic core
and a dielectric shell. By writing the absorption cross section in terms of the internal …

Field-induced columnar transition of biocompatible magnetic colloids: An aging study by magnetotransmissivity

MTA Eloi, JL Santos Jr, PC Morais, AF Bakuzis - Physical Review E—Statistical …, 2010 - APS
The field dependence of the optical transmission of tartrate-coated and polyaspartate-coated
magnetite-based aqueous colloids was studied. The colloidal stock samples were diluted to …