Structural, Magnetic and Electrical Properties of the Ternary Silicide Gd6Co1.67Si3 Derived from the Hexagonal Ho4Co3.07 (or Ho6Co4.61) Type Structure-Reference-Cited by-同舟云学术

Structural, Magnetic and Electrical Properties of the Ternary Silicide Gd6Co1.67Si3 Derived from the Hexagonal Ho4Co3.07 (or Ho6Co4.61) Type Structure

Published:2006-07-01 Issue:7 Volume:61 Page:825-832
ISSN:1865-7117
Container-title:Zeitschrift für Naturforschung B
language:en
Short-container-title:

Author:

Gaudin Etienne¹,Weill François²,Chevalier Bernard¹

Affiliation:

1. Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB), CNRS [UPR 9048], Université Bordeaux 1, Avenue du Docteur A. Schweitzer, F-33608 Pessac Cedex, France

2. Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB), CNRS [UPR 9048], Université Bordeaux 1, Avenue du Docteur A. Schweitzer, F-33608 Pessac Cedex, France / Centre de Ressource en Microscopie Electronique et Microanalyse, CREMEM, Université Bordeaux 1, 350 Cours de la Libération, F-33400 Talence Cedex, France

Abstract

The title compound was discovered as an impurity phase in many GdCoSi samples. It crystallizes in the hexagonal space group P63/m with a = 11.7787(5) and c = 4.1640(2) Å . Using X-ray powder diffraction, an ordered distribution between Co and Si was found but one site is not fully occupied by Co for steric reasons. Magnetization measurements reveal that Gd6Co1.67Si3 exhibits a ferromagnetic transition at TC = 294(2) K, a Curie temperature similar to that reported for pure gadolinium. This magnetic ordering has been confirmed by electrical resistivity investigations.

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/znb-2006-0709/pdf

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