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5 papers · 2 filters
Strain Gradients in Epitaxial Ferroelectrics
G. Catalan, B. Noheda, J. McAneney +2
X-ray analysis of ferroelectric thin layers of Ba1/2Sr1/2TiO3 with different thickness reveals the presence of internal strain gradients across the film thickness and allows us to…
High-Field Conduction in Barium Titanate
J. F. Scott, F. D. Morrison, P. Zubko +5
We present current-voltage studies of very thin (ca. 77 nm) barium titanate single crystals up to 1.3 GV/m applied field. These show that the mechanism of leakage current at high f…
First-principles study of ferroelectricity and isotope effects in H-bonded KDP crystals
S. Koval, J. Kohanoff, J. A. Lasave +2
By means of extensive first-principles calculations we studied the ferroelectric phase transition and the associated isotope effect in KH2PO4 (KDP)
High-contrast modulation of light with light by control of surface plasmon polariton wave coupling
A. V. Krasavin, A. V. Zayats, K. F. MacDonald +1
We have demonstrated a new mechanism for modulating light with light by controlling the efficiency with which light is coupled into a plasmon polariton wave. An optical fluence of…
Far-field optical microscope with nanometer-scale resolution
Igor I. Smolyaninov, Christopher C. Davis, Jill Elliott +1
The resolution of far-field optical microscopes, which rely on propagating optical modes, is widely believed to be limited because of diffraction to a value on the order of a half-…