Internal charge behaviour of nanocomposites [PDF]
The incorporation of 23 nm titanium dioxide nanoparticles into an epoxy matrix to form a nanocomposite structure is described. It is shown that the use of nanometric particles results in a substantial change in the behaviour of the composite, which can ...
Alison J +20 more
core +1 more source
Feasibility of Imaging Tissue Electrical Conductivity by Switching Field Gradients with MRI. [PDF]
Tissue conductivity is a biophysical marker of tissue structure and physiology. Present methods of measuring tissue conductivity are limited. Electrical impedance tomography, and magnetic resonance electrical impedance tomography rely on passing external
Gibbs, Eric, Liu, Chunlei
core +2 more sources
Holographic Plasmon Relaxation with and without Broken Translations [PDF]
We study the dynamics and the relaxation of bulk plasmons in strongly coupled and quantum critical systems using the holographic framework. We analyze the dispersion relation of the plasmonic modes in detail for an illustrative class of holographic ...
Alba, Amadeo Jimenez +4 more
core +3 more sources
High-K dielectric sulfur-selenium alloys. [PDF]
Upcoming advancements in flexible technology require mechanically compliant dielectric materials. Current dielectrics have either high dielectric constant, K (e.g., metal oxides) or good flexibility (e.g., polymers).
Ajayan, Pulickel M +20 more
core +2 more sources
Instantaneous modulations in time-varying complex optical potentials [PDF]
We study the impact of a spatially homogeneous yet non-stationary dielectric permittivity on the dynamical and spectral properties of light. Our choice of potential is motivated by the interest in PT-symmetric systems as an extension of quantum mechanics.
Goette, Joerg B. +2 more
core +2 more sources
Design and characterization of dielectric filled TM$_{110}$ microwave cavities for ultrafast electron microscopy [PDF]
Microwave cavities oscillating in the TM$_{110}$ mode can be used as dynamic electron-optical elements inside an electron microscope. By filling the cavity with a dielectric material it becomes more compact and power efficient, facilitating the ...
A. H. Kemper +11 more
core +2 more sources
Bound Modes in Dielectric Microcavities [PDF]
We demonstrate how exactly bound cavity modes can be realized in dielectric structures other than 3d photonic crystals. For a microcavity consisting of crossed anisotropic layers, we derive the cavity resonance frequencies, and spontaneous emission rates.
Allaart, K., Lenstra, D., Visser, P. M.
core +3 more sources
From surface to volume plasmons in hyperbolic metamaterials: General existence conditions for bulk high-k waves in metal-dielectric and graphene-dielectric multilayers [PDF]
We theoretically investigate general existence conditions for broadband bulk large-wavevector (high-k) propagating waves (such as volume plasmon polaritons in hyperbolic metamaterials) in subwavelength periodic multilayer structures.
Andryieuski, Andrei +3 more
core +2 more sources
Crosslinked fluoropolymers exhibiting superior high-temperature energy density and charge-discharge efficiency [PDF]
Superior high-temperature discharged energy densities in comparison to those of the current dielectric polymers have been demonstrated in the crosslinked ...
Ai, Ding +8 more
core
Quantum optomechanics with a high-frequency dilational mode in thin dielectric membranes
The interaction between a high-frequency dilational mode of a thin dielectric film and an optical cavity field is studied theoretically in the membrane-in-the-middle setup.
Borkje, K., Girvin, S. M.
core +1 more source

