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Crystal structures and phase stability in pseudobinary CaAl2−xZnx |
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| Authors: | Karin Söderberg Yoshiki Kubota Rainer Niewa Yuri Grin |
| Institution: | a Department of Physical, Inorganic and Structural Chemistry, Arrhenius Laboratory, Stockholm University, SE-10691 Stockholm, Sweden b Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany c Department of Physical Science, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 590-0035, Japan d Institute for Materials Science, Tohoku University, Sendai 980-8577, Japan |
| Abstract: | Samples in the pseudobinary system CaAl2−xZnx (0?x?2) were synthesised from the elements. Three different structure types, the C15 and C36 Laves phase structures and the KHg2 (CeCu2) structure, were observed. The structures and homogeneity ranges of the underlying phases were investigated by electron microscopy and thermal analysis as well as X-ray powder diffraction. The stability ranges for the different structure types were found to be 0?x?0.18, 0.28?x?0.68 and 0.93?x?2 for the C15, C36 and KHg2 structure types, respectively. |
| Keywords: | Intermetallic compounds Laves phases Pseudobinary systems phase diagrams Structural stability |
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