X-ray Diffraction Study for Mg₄Pd Crystalline and Amorphous Alloys Using Synchrotron Radiation

Abstract

Mg₄Pd crystalline and amorphous alloys were prepared and X-ray diffraction patterns of these alloys were measured with synchrotron radiation using the large Debye-Scherrer camera installed at BL19B2 in SPring-8. The X-ray diffraction patterns have been successfully collected for the alloys. Using the X-ray diffraction pattern of the Mg₄Pd crystalline alloy, crystallization stages of the Mg₄Pd and Mg₉Pd amorphous alloys have been reviewed. As a result, the phase precipitated at the first crystallization stage of the Mg₄Pd amorphous alloy has been identified to be Mg₄Pd. In addition, it has been conjectured that the phase precipitated at the third crystallization stage of the Mg₉Pd amorphous alloy is Mg₄Pd, as well.