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Relaxation behavior of 17 water vapor laser lines in the range 23‐ to 79‐μ wavelength, obtained with a split‐discharge laser, is presented. Two discharges are incorporated in the same laser resonator and pulsed at varying times. The laser signal produced by the first discharge then probes...
Thin‐film microwave acoustic transducers of piezoelectric aluminum nitride (AlN) have been vacuum deposited by two methods. Aluminum nitride was deposited on metallic film substrates at 300°–1200°C by evaporating aluminum in the presence of either nitrogen gas dissociated in an ac discharge...
The Z 1 periodicity in the inelastic energy loss cross section is shown to be contained in the electron density of the moving ions when that density is determined from Hartree—Fock—Slater wavefunctions.
The feasibility of growing epitaxial pn junctions at temperatures as low as 550°C by sublimation in UHV has been demonstrated. The junctions, which show abrupt impurity profiles, have excellent and predictable rectification characteristics. Transmission electron microscope studies suggest good...
Thermionic emission from molybdenum and tungsten targets irradiated with a cw CO 2 laser beam has been observed. The incident energy is ≃ 0.2–0.5 J per pulse at a repetition rate of 120 cps. Peak electron currents are 0.1 mA.
Experimental MOS C ( V ) data are obtained in the temperature range over which majority carriers are substantially frozen out (40° − 70°K). These are compared with calculated curves and other calculated curves are presented to show the effect of impurity concentration and compensation. The C...
Calculations indicate that within the Werner band of the H 2 molecules laser action is possible at several spectral lines between 1025–1239 Å in a high current discharge with a risetime of a few nsec. The peak power densities are in the kilowatts cm −3 range per spectral line (for strong...
A previously unreported method of generating excess p‐n junction current is shown to degrade the current gain of transistors. Experimental evidence indicates the excess current is a surface effect which is not associated with ion drift. Avalanche breakdown is shown to be neither a necessary nor...
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