Pressure-induced AlB2 to MgCu2-type structural transition in ThAl2

Godwal, B. K. ; Vijaykumar, V. ; Sikka, S. K. ; Chidambaram, R. (1986) Pressure-induced AlB2 to MgCu2-type structural transition in ThAl2 Journal of Physics F: Metal Physics, 16 (10). pp. 1415-1418. ISSN 0305-4608

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Official URL: http://iopscience.iop.org/0305-4608/16/10/010

Related URL: http://dx.doi.org/10.1088/0305-4608/16/10/010

Abstract

In the structural map for dialuminides based on Miedema parameters, the compound ThAl2, which crystallises in the AlB2 structure at ambient conditions, falls in the region of Laves phase (MgCu2) compounds. The authors have shown that only moderate pressure is required to transform it to the structure predicted by the structural map.

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