Progress in thin film GaAs solar cells
Solar cells using polycrystalline films of gallium arsenide
THIN FILM↗
SEARCH · Engineering Papers
Results for “polycrystalline”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Investigation of contact failures on resistors Final technical status report
Investigation of defective electrical contacts of aluminum interconnecting films to polycrystalline silicon resistors
RESISTOR↗
The effect of temperature and photon radiation on the electrical breakdown of ceramic insulations
Temperature and gamma radiation effects on electric breakdown of polycrystalline alpha phase aluminum oxide ceramic insulators used in nuclear thermionic reactors
POLYCRYSTAL↗
A study of the adhesion and cohesion of metals Second interim summary report, 9 Mar. 1966 - 9 Mar. 1967
Adhesion and cohesion efficiency of polycrystalline copper
METAL-METAL BONDING↗
Dislocation structures in slightly strained tungsten and tungsten-rhenium and tungsten-tantalum alloys
Deformation structures of polycrystalline slightly strained tungsten, tungsten rhenium, and tungsten tantalum alloys examined by transmission electron microscopy
DEFORMATION↗
Impurity distribution in MgO.
Microprobe study of impurities in hot-pressed polycrystalline MgO compact and existence of significant grain boundary volume
IMPURITY↗
Hypersonic attenuation in superconducting mercury at 9 GHz.
Longitudinal ultrasound attenuation in polycrystalline superconducting mercury at 9.3 GHz, studying temperature dependence
ACOUSTIC ATTENUATION↗
Self-decoration effect in lithium ferrite.
Self-decoration effect in thermally etched polycrystalline lithium ferrite, discussing geometric symmetry relation to crystallographic surface orientation
CRYSTAL SURFACE↗
The mechanical behavior of tantalum carbide and magnesium oxide
Mechanical behavior of tantalum carbide and magnesium oxide polycrystalline ceramics
Leipold, M. H.↗
Fiber reinforced metal composites under study at Lewis Research Center
Ceramic whiskers, polycrystalline ceramic fibers, and fiber reinforced metal composites
Signorelli, R. A.↗
The high-temperature creep of dunite Final report
Creep deformation and rupture tests on cylindrical polycrystalline dunite specimen at temperatures up to 1000 deg C
Eaton, J. F.↗
Magnetic moment of ZrZn sub 2 up to 150 kg - Is ''pure'' ZrZn sub 2 ferromagnetic?
Magnetic moment measurements in polycrystalline and single crystal Zr compounds for fields to 150 kgauss
Foner, S.↗
Permeability of tungsten to hydrogen from 1300 deg to 2600 deg C and to oxygen from 2000 deg to 2300 deg C.
Hydrogen and oxygen permeation rates through polycrystalline tungsten from 1300 to 2600 degrees C, obtaining permeation coefficients
Aitken, E. A.↗
The magnetic and crystallographic properties of MnAs sub 0.92 P sub 0.08.
Polycrystalline MnAsP crystallographic and magnetic properties over temperature range, discussing susceptibility anomaly, magnetic moment, distortion and metamagnetism
Geisman, J. H.↗
Experimental measurements of the work functions and desorption energies of the systems O-W, O-Mo, O-Re, O-Ta, and Cs-O-Ta.
Thermionic work functions and desorption energies for oxygen on polycrystalline W, Mo and Re filaments, discussing oxygen pressure and filament temperature
Fehrs, D. L.↗
Adhesion, friction and wear of cobalt and cobalt-base alloys.
Cobalt and cobalt-base alloys properties influencing friction, wear and adhesion, studying single crystals and polycrystallines in air and vacuum
Buckley, D. H.↗
The influence of crystal structure and some properties of hexagonal metals on friction and adhesion.
Crystal structure and lattice parameter effects on single and polycrystalline metals adhesion, friction and wear properties, discussing basal slip hexagonal metals
Buckley, D. H.↗
Elastic properties of CaO under pressure and temperature.
Polycrystalline CaO sound wave velocities and pressure and temperature derivatives, Gruneisen parameter and other elastic properties
Soga, N.↗