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AbstractAbstract
[en] Diamond cells were constructed for use to 1 Mbar. A refrigerator for cooling diamond cells was adapted for studies between 15 and 300 K. A cryostat for superconductivity studies between 1.5 to 300 K was constructed. Optical equipment was constructed for fluorescence, transmission, and reflectance studies. X-ray equipment was adapted for use with diamond cells. Experimental techniques were developed for X-ray diffraction studies using synchrotron radiation. AC susceptibility techniques were developed for detecting superconducting transitions. The following materials were studied: compressed solidified gases (Xe, Ar), semiconductors (Ge, Si, GaAs), superconductors (Nb3Ge, Nb3Si, Nb3As, CuCl), molecular crystals (I)
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Source
Jun 1983; 30 p; NASA-CR--3696; E--1513; Available from NTIS, PC A03/MF A01
Record Type
Report
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Country of publication
ARGON, COPPER CHLORIDES, CRYOSTATS, CRYSTALS, GALLIUM ARSENIDES, GERMANIUM, GERMANIUM ALLOYS, HIGH PRESSURE, IODINE, LOW TEMPERATURE, MEDIUM TEMPERATURE, NIOBIUM ARSENIDES, NIOBIUM BASE ALLOYS, NIOBIUM SILICIDES, OPTICAL PROPERTIES, PHASE TRANSFORMATIONS, PRESSURE MEASUREMENT, SEMICONDUCTOR MATERIALS, SILICON, SUPERCONDUCTORS, SYNCHROTRON RADIATION, ULTRALOW TEMPERATURE, VERY LOW TEMPERATURE, XENON, X-RAY DIFFRACTION
ALLOYS, ARSENIC COMPOUNDS, ARSENIDES, BREMSSTRAHLUNG, CHLORIDES, CHLORINE COMPOUNDS, COHERENT SCATTERING, CONTROL EQUIPMENT, COPPER COMPOUNDS, DIFFRACTION, ELECTROMAGNETIC RADIATION, ELEMENTS, EQUIPMENT, GALLIUM COMPOUNDS, HALIDES, HALOGEN COMPOUNDS, HALOGENS, MATERIALS, METALS, NIOBIUM ALLOYS, NIOBIUM COMPOUNDS, NONMETALS, PHYSICAL PROPERTIES, RADIATIONS, RARE GASES, SCATTERING, SEMIMETALS, SILICIDES, SILICON COMPOUNDS, THERMOSTATS, TRANSITION ELEMENT COMPOUNDS
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