3 papers
physics.med-ph2024
Acoustically Transparent Alumina-based Cranial Implants Enhance Ultrasound Transmission Through a Combined Mechano-Acoustic Resonant Effect
Mario Ibrahin Gutierrez, Pathikumar Sellappan, Elias H. Penilla +4
Therapeutic ultrasound for brain stimulation has increased in the last years. This energy has shown promising results for treating Alzheimers disease, Parkinsons disease, and traum…
physics.app-ph2019
Bulk Polycrystalline Ceria Doped AlO and YAG Ceramics for High-Power Density Laser-Driven Solid-State White Lighting: Effects of Crystallinity and Extreme Temperatures
E. H. Penilla, P. Sellappan, M. A. Duarte +3
Here we develop and characterize high thermal conductivity/high thermal shock resistant bulk Ce doped Al2O3 and propose it as a new phosphor converting capping layer for high-power…
cond-mat.mtrl-sci2018
Acoustic Phonon Dispersion Engineering in Bulk Crystals via Incorporation of Dopant Atoms
Fariborz Kargar, Elias H. Penilla, Ece Aytan +3
We report results of Brillouin - Mandelstam spectroscopy of transparent alumina crystals with Nd dopants. The ionic radius and atomic mass of Nd atoms are distinctively different f…