Now showing items 71-80 of 102
X-ray scattering and absorption studies of epitaxial strains in Co-Au superlattices
(Elsevier, 1991-02)
X-ray scattering and EXAFS are used to probe epitaxial strain in Co-Au superlattices grown by molecular beam epitaxy. We observe a thickness-dependent strain in ultrathin cobalt layers and find that tensile strains near ...
Application of fast Fourier transforms to EPR spectra of free radicals in solution
(Elsevier, 1980-08)
A method of reducing EPR spectra of free radicals in solution is presented in detail. This method is based on the use of the fast Fourier transform algorithm and curve fitting in the Fourier space by weighted least-squares ...
Analytic modeling of transit-time device drift regions with field-dependent transport coefficients
(Elsevier, 1981-01)
An iterative procedure for obtaining two-carrier d.c. solutions in regions of rapidly varying carrier concentration is presented. The procedure uses an analytic solution for the carrier concentrations in a region of linear ...
An electroluminescent-piezoelectric flat-panel display device
(Elsevier, 1962)
A flat-panel, line display consisting of electroluminescent ZnS---Cu phosphors (EL) adjacent to piezoelectric voltage transformer elements (PE) has been fabricated to provide a controlled-movement luminescent light spot. ...
The surface evolution and kinetic roughening during homoepitaxy of GaAs (001)
(Elsevier, 1994)
Scanning tunneling microscopy studies have been performed on GaAs homoepitaxial films grown by molecular-beam epitaxy. Images show that in the earliest stages of deposition the morphology oscillates between one with ...
Intravoxel water diffusion heterogeneity imaging of human high-grade gliomas
(John Wiley & Sons, Ltd., 2010-02)
This study aimed to determine the potential value of intravoxel water diffusion heterogeneity imaging for brain tumor characterization and evaluation of high-grade gliomas, by comparing an established heterogeneity index ...
Material properties and optical guiding in InGaAs-GaAs strained layer superlattices--a brief review
(Elsevier, 1986-02)
Due to the absence of lattice-matching requirements, strained-layer superlattices offer a large tunability in bandgap and other material properties suitable for device applications. Encouraging progress has been made in ...
Instabilities and small-signal response of double injection structures with deep traps
(Elsevier, 1972-12)
The small-signal response is discussed for double injection structures heavily doped with deep recombination centers. The discussion is based on an exact small-signal linearization of the nonlinear equations describing the ...
Thermal, magnetic and structural aspects of transitions in Mn0.63Cr0.37As. Thermodynamic properties from 10 to 350 K
(Elsevier, 1987-02)
Subambient crystallographic and magnetic structures and heat capacity on Mn0.63Cr0.37As are measured below 350 K. A complex first order magnetic (helimagnetic Ha- to Hc-type) and structural (MnP- to MnP-type) transition, ...
Rainbow holographic interferometry
(Elsevier, 1978-05)
A one-step rainbow holographic process is applied to holographic interferometry. Experimental demonstrations of double exposure and time-average interferograms are included. Comparison is made with the conventional holographic ...