The System Ce-Zn-Si for <33.3% at. Ce: Phase Relations, Crystal Structures and Physical Properties

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Authors	FAILAMANI Fainan GRYTSIV Andriy PODLOUCKY Raimund MICHOR Herwig BAUER Ernst BROŽ Pavel GIESTER Gerald ROGL Peter Franz
Year of publication	2015
Type	Article in Periodical
Magazine / Source	RSC Advances
MU Faculty or unit	Central European Institute of Technology
Citation
Web	http://pubs.rsc.org/en/content/articlepdf/2015/ra/c5ra02789f
Doi	http://dx.doi.org/10.1039/c5ra02789f
Field	Physical chemistry and theoretical chemistry
Keywords	Isothermal section; ternary silicides; ternary germanides; Schultz-Scheil diagram; single crystal; ferromagnetism; Kondo lattice
Description	Phase equilibria of the system Ce-Zn-Si have been determined for the isothermal section at 600° for <33.3 at.% Ce by X-ray powder diffraction and electron probe microanalyses of alloys in as cast state and after annealing at 600°C. A Schultz-Scheil diagram for the solidification behaviour in the (Zn,Si)-rich part of the diagram was constructed from Differential Thermal Analysis (DTA) measurements in closed silica crucibles along with partial isothermal sections determined at various temperatures. Magnetic susceptibility, specific heat and resistivity measurements of phase tau5 revealed Kondo lattice behavior with ferromagnetic ordering below TC=4.4 K, whereas susceptibility and specific heat studies of tau6 revealed Curie-Weiss paramagnetic behaviour down to 3 K.
Related projects:	CEITEC - Central European Institute of Technology Nanostrukturovaná termoelektrika, 7AMB - MOBILITY Komplexní studium fázových diagramů pokročilých kovových materiálů, kombinující ab initio a semiempirické modelování s experimentálními postupy