Abstract
The pseudo-ternary series DyNi1 - xCuxAl was studied by means of microprobe experiment and X-ray powder diffraction. Structure parameters exhibit a sudden discontinuity between x=0.3 and 0.4. This effect is explained on the basis of a possible difference in strengths of intra- and inter-planar bonds. Comparison with Er-based series and other RTX compounds leads to the idea of “forbidden” value of the c/a ratio in these compounds.
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Prchal, J., Javorský, P., Daniš, S. et al. Structural Study of the DyNi1-xCuxAl System. Czech J Phys 54 (Suppl 4), 315–318 (2004). https://doi.org/10.1007/s10582-004-0090-7
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DOI: https://doi.org/10.1007/s10582-004-0090-7