RE  6 Pd 13 Zn 4  ( RE  = La‐Nd, Sm, Gd, Tb) – New Palladium‐rich Phases with Pd@ RE  6  Octahedra in  bcc  Packing | Zendy

Gerke Birgit | Zendy; Janka Oliver | Zendy; Pöttgen Rainer | Zendy

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RE 6 Pd 13 Zn 4 ( RE = La‐Nd, Sm, Gd, Tb) – New Palladium‐rich Phases with Pd@ RE 6 Octahedra in bcc Packing

Author(s) -

Gerke Birgit,

Janka Oliver,

Pöttgen Rainer

Publication year - 2014

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.201400334

Subject(s) - crystallography , palladium , intermetallic , octahedron , crystal structure , space group , materials science , magnetic moment , magnetic susceptibility , curie–weiss law , neutron diffraction , chemistry , x ray crystallography , diffraction , curie temperature , ferromagnetism , metallurgy , condensed matter physics , alloy , physics , catalysis , biochemistry , optics

The intermetallic zinc compounds RE 6 Pd 13 Zn 4 ( RE = La – Nd, Sm, Gd, Tb) were synthesized from the elements in sealed niobium ampoules. They crystallize with the cubic Na 16 Ba 6 N (Dy 6 Fe 16 O) type structure, space group Im $\bar{3}$ m . The samples were investigated by powder X‐ray diffraction and four structures were refined on the basis of single‐crystal X‐ray diffraction data. The striking structural motifs are palladium centered RE 6 octahedra in a bcc arrangement. These octahedra are surrounded by a [Pd 12 Zn 4 ] network. Magnetic susceptibility studies of Gd 6 Pd 13 Zn 4 show Curie‐Weiss behavior and an experimental magnetic moment of 7.75(2) μ B per Gd atom. Gd 6 Pd 13 Zn 4 orders antiferromagnetically at T N = 10.5(1) K.

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