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A Carbon Nanotube Field-Emission Electron Source
A high-intensity electron gun based on field emission from a film of aligned carbon nanotubes has been made. The gun consists of a nanotube film with a 1-millimeter-diameter gri...
Dynamical matrices, Born effective charges, dielectric permittivity tensors, and interatomic force constants from density-functional perturbation theory
Starting from the knowledge of first-order changes of wave functions and density with respect to small atomic displacements or infinitesimal homogeneous electric fields within t...
Spontaneously organized molecular assemblies. 4. Structural characterization of n-alkyl thiol monolayers on gold by optical ellipsometry, infrared spectroscopy, and electrochemistry
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSpontaneously organized molecular assemblies. 4. Structural characterization of n-alkyl thiol monolayers on gold by optical ellipsome...
Generation of Optical Harmonics
This article appears in the following collections:The Physical Review Journals Celebrate The International Year of LightThe editors of the Physical Review journals revisit paper...
A second order multiconfiguration SCF procedure with optimum convergence
An MCSCF procedure is described which is based on the direct minimization of an approximate energy expression which is periodic and correct to second order in the changes in the...
Wireless Communications Through Reconfigurable Intelligent Surfaces
The future of mobile communications looks exciting with the potential new use cases and challenging requirements of future 6th generation (6G) and beyond wireless networks. Sinc...
The Influence of Retardation on the London-van der Waals Forces
The influence of retardation on the energy of interaction between two neutral atoms is investigated by means of quantum electrodynamics. As a preliminary step, Part I contains a...