High-intensity x-ray diffraction apparatus for pressures up to 100 kilobars and temperatures down to 1.5 K |
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Authors: | Thorwarth E Dietrich M |
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Affiliation: | Kernforschungszentrum Karlsruhe, Institut Fur Technische PhysikUniversitat Karlsruhe, Institut fur Experimentelle Kernphysik, 7500 Karlsruhe, Postfach 3640, Federal Republic of Germany. |
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Abstract: | A high-pressure diamond anvil pressure technique for x-ray structure investigations at temperatures down to 1.5 K is described. An energy dispersive method in conjunction with a newly developed conical x-ray shutter brings maximum intensity to the adjacent germanium detector. Superconductivity is detected by use of a SQUID. The 4096-channel analyzer data are evaluated on-line by a computer. The precision of the lattice parameter determination is discussed. |
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