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2005
Structure
D 2000
12- 009
Structural and Magnetochemical Studies on KCuGaF6. — The title compound
crystallizes in the monoclinic space group P21/c with Z = 4 (single crystal XRD) and
is isotypic with KCuCrF6. The pyrochlore-related structure contains chains of slightly
distorted GaF6 octahedra along [100] and chains of strongly distorted CuF6 octahedra
along [001]. The magnetic mole susceptibilities of KCuGaF6 follow the isotropic
Heisenberg model for S = 1/2, if effects of chain disrupture are considered in the form
of some paramagnetic portion. No indication of three dimensional magnetic order is
observed down to 2 K and at low magnetic fields (<100 G). — (DAHLKE, P.;
PEBLER, J.; BABEL*, D.; Z. Anorg. Allg. Chem. 631 (2005) 1, 115-121;
Fachbereich Chem., Philipps-Univ., D-35043 Marburg, Germany; Ger., Abstr. Eng.)
— Schramke
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