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4 papers · 1 filter
Unusual polarization patterns in flat epitaxial ferroelectric nanoparticles
Ivan I. Naumov, Alexander M. Bratkovsky
Interest in epitaxial ferroelectric nanoislands was growing rapidly in recent years driven by their potential for devices, especially ultradense memories. Recent advances in the "b…
Nonlinear Optical Spectroscopy of Photonic Metamaterials
Evgenia Kim, Feng Wang, Wei Wu +2
We have obtained spectra of second-harmonic generation, third harmonic generation, and four-wave mixing from a fishnet metamaterial around its magnetic resonance. The resonant beha…
Comment on ``Elastic Stabilization of a Single-Domain Ferroelectric State in Nanoscale Capacitors and Tunnel Junctions" [N.A. Pertsev and H. Kohlstedt, Phys. Rev. Lett. 98, 257603 (2007).]
A. M. Bratkovsky, A. P. Levanyuk
In a recent Letter [N.A. Pertsev and H. Kohlstedt, Phys. Rev. Lett. 98, 257603 (2007)] the authors claim that "even nanoscale capacitors and tunnel junctions may have out of plane…
Modulation of Negative Index Metamaterials in the Near-IR Range
Evgenia Kim, Wei Wu, Ekaterina Ponizovskaya +5
Optical modulation of the effective refractive properties of a "fishnet" metamaterial with a Ag/Si/Ag heterostructure is demonstrated in the near-IR range and the associated fast d…