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Magneto-Plasmonic Nanoparticles

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TLDR
Magnetoplasmonic nanoparticles encompass in a single nano-entity all the rich science and promising applications of the plasmonics and magnetic nanoworlds as discussed by the authors, and they are excellent benchmark materials to develop and investigate multiresponsive multifunctional nanosystems that now are required in an increasing number of technologies, such as biomedicine, pharmacy, catalysis, optoelectronics and data storage.
Abstract
Magnetoplasmonics nanoparticles encompass in a single nano-entity all the rich science and promising applications of the plasmonics and magnetic nanoworlds. The difficult liaison and a certain incompatibility between plasmonics and magnetic phenomena, due to the different chemical-physical origins and supporting materials, are overcome thanks to the design and synthesis of novel nanostructures. The variations of properties, interactions and synergies of both phenomena and materials demonstrate how rich and surprising the matter is at nanoscale and the promising applications. In fact, we show how not only light and magnetism can interplay but also other phenomena like forces, heat, electric field and chemical interactions, between others, can show synergism. Magnetoplasmonic systems are excellent benchmark materials to develop and investigate multi-responsive multifunctional nanosystems that now are required in an increasing number of technologies, such as biomedicine, pharmacy, catalysis, optoelectronics and data storage.

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Journal Article

Surface-plasmon Opto-magnetic Field Enhancement for All-optical Magnetization Switching

TL;DR: In this paper, the authors use localized surface plasmon resonances to couple light to nanomagnets and achieve significantly higher opto-magnetic field values in comparison to free space light excitation.
Journal ArticleDOI

High Magnetic Field Magneto-optics on Plasmonic Silica-Embedded Silver Nanoparticles

TL;DR: In this article , a large magnetoplasmonic response of silver nanoparticles was demonstrated by performing magnetic circular dichroism spectroscopy at high magnetic fields, revealing a linear response to the magnetic field up to 30 T.
Journal ArticleDOI

Magnetic Circular Dichroism Responses with High Sensitivity and Enhanced Spectral Resolution in Multipolar Plasmonic Modes of Silver Nanoparticles with Dimensions between 90 and 200 nm.

TL;DR: In this paper, magnetic circular dichroism (MCD) spectroscopy was used to investigate magnetoplasmonic responses in higher-order multipolar (quadrupolar and octupolar) modes of Ag nanoparticles.
Journal Article

Impact of Core Dielectric Properties on the Localized Surface Plasmonic Spectra of Gold-Coated Magnetic Core–Shell Nanoparticles B

TL;DR: Extended Mie theory for multilayer particles is used to examine the individual effects of the real and imaginary components of core refractive indices on Au-shell NP plasmonic peaks and shows that the addition of a nonabsorbing polymer layer to the core surface decreases the dampening of the cavity plAsmon and increases LSPR spectral intensity.
References
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Journal ArticleDOI

Hybrid magneto-plasmonic liposomes for multimodal image-guided and brain-targeted HIV treatment

TL;DR: MPLs, a hybrid system combining liposomes and magneto-plasmonic nanoparticles for a triple-modality image-guided drug delivery, achieved enhanced transmigration across an in vitro blood-brain barrier model by magnetic targeting and provided desired therapeutic effects against HIV infected microglia cells.
Journal ArticleDOI

CeF3 and PrF3 as UV-visible Faraday rotators.

TL;DR: The results indicate the potential of CeF3 and PrF3 as optical isolators in the UV-visible, where at present there are no alternative candidates.
Posted Content

Surface effects in nanoparticles: application to maghemite

TL;DR: In this article, a microscopic model for nanoparticles, composed of a core and a surface shell of constant thickness, is presented, where the magnetic state in the particle is described by the anisotropic classical Dirac-Heisenberg model including exchange and dipolar interactions and bulk and surface anisotropy.
Journal ArticleDOI

Electro-Mechanical Testing of Conductive Materials Used in Flexible Electronics

TL;DR: In this article, a combination of in situ electrical measurements with in situ X-ray or confocal laser scanning microscopy can provide valuable correlated electrical and mechanical data needed to understand failure mechanisms in flexible devices.
Journal ArticleDOI

Magnetic-plasmonic nanoparticles for the life sciences: calculated optical properties of hybrid structures.

TL;DR: The results indicate that in the advantageous near-infrared region (NIR), although magnetic-plasmonic nanospheres produced by available chemical methods lack the desirable tunability of optical characteristics, magnetite-gold nanorods can achieve the desired optical properties at chemically attainable dimensions.
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