254 citations · 734 across the 14 of their papers we have counts for
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Thickness-dependent spontaneous dewetting morphology of ultrathin Ag films
H. Krishna, R. Sachan, J. Strader +3
We show here that the morphological pathway of spontaneous dewetting of ultrathin Ag films on SiO2 under nanosecond laser melting is found to be film thickness dependent. For films…
Design and optimization of plasmonic-based metal-dielectric nanocomposite materials for energy applications
J. Trice, C. Favazza, H. Garcia +2
Metallic nanoparticles embedded in dielectrics permit enhanced capture of light at specific wavelengths through excitation of plasmons, i.e. the quanta of coherent and collective o…
Self-organized synthesis of patterned magnetic nanostructures with in-plane and perpendicular to the plane magnetization
H. Krishna, A. K. Gangopadhyay, J. Strader +1
Patterned arrays of ferromagnetic nanoparticles of Co, Ni, and Fe_{\text{50}} Co_{\text{50}} have been synthesized from their ultrathin metal films on SiO_{\text{2}} substrate by n…
Thermodynamic approach to the dewetting instability in ultrathin films
N. Shirato, H. Krishna, R. Kalyanaraman
The fluid dynamics of the classical dewetting instability in ultrathin films is a non-linear process. However, the physical manifestation of the instability in terms of characteris…
In silico design of metal-dielectric nanocomposites for solar energy applications
Justin Trice, Hernando Garcia, Radhakrishna Sureshkumar +1
Recently, a homogenization procedure has been proposed, based on the tight lower bounds of the Bergman-Milton formulation, and successfully applied to dilute ternary nanocomposites…
Self-organized metal nanostructures through laser driven thermocapillary convection
C. Favazza, J. Trice, R. Kalyanaraman +1
When ultrathin metal films are subjected to multiple cycles of rapid melting and resolidification by a ns pulsed laser, spatially correlated interfacial nanostructures can result f…
Dynamics of ultrathin metal films on amorphous substrates
Christopher Favazza, Ramki Kalyanaraman, Radhakrishna Sureshkumar
A mathematical model is developed to analyze the growth/decay rate of surface perturbations of an ultrathin metal film on an amorphous substrate (SiO_{2}). The formulation combines…
Nanostructure and microstructure of laser-interference induced dynamic patterning of Co on Si
L. Longstreth-Spoor, J. Trice, H. Garcia +2
We have investigated the nanostructure and microstructure resulting from ns laser irradiation simultaneous with deposition of Co films on Si(001) substrates. The spatial order and…
Robust nanopatterning by laser-induced dewetting of metal nanofilms
Christopher Favazza, Ramki Kalyanaraman, Radhakrishna Sureshkumar
We have observed nanopattern formation with robust and controllable spatial ordering by laser-induced dewetting in nanoscopic metal films. Pattern evolution in Co film of thickness…
A compound figure of merit for photonic applications of metal nanocomposites
Hernando Garcia, Hare Krishna, Ramki Kalyanaraman
Selecting nanocomposites for photonic switching applications requires optimizing their thermal, nonlinear and two-photon absorption characteristics. We simplify this step by defini…
Investigation of pulsed laser induced dewetting in nanoscopic metal films
Justin Trice, Dennis Thomas, Christopher Favazza +2
Hydrodynamic pattern formation (PF) and dewetting resulting from pulsed laser induced melting of nanoscopic metal films have been used to create spatially ordered metal nanoparticl…