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Ohne Zusammenfassung Ueberseizt von J. Matula (Wien).  相似文献   

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Investigation of CuGaSe2 and CuGaTe2 under High Pressure The X-ray powder diffraction analysis at 300 K in dependence on the pressure gives a transition from the chalcopyrite-type to the NaCl structure for CuGaSe2 at 12.5 GPa and for CuGaTe2 at 8 GPa. The phase transition is associated with a discontinuity of the volume of 8.6 and 3.8%. These results were discussed in relation to other tetrahedrally coordinated compounds.  相似文献   

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