Growth of Sr₆Rh₅O₁₅ Single Crystals from High Temperature Solutions: 1. Structure Determination using the Traditional 3D and the 4D Superspace Group Methods. 2. Magnetic Measurements on Oriented Single Crystals

Author(s)

Katherine E. Stitzer, University of South Carolina - Columbia
Ahmed El Abed, Institut de Chimie de la Matière Condensée de BordeauxFollow
Jacques Darriet, Institut de Chimie de la Matière Condensée de Bordeaux
Hans Conrad zur Loye, University of South Carolina - ColumbiaFollow

Document Type

Article

Subject Area(s)

Chemistry

Abstract

Single crystals of Sr₆Rh₅O₁₅ were grown from a molten potassium carbonate flux. The structure was solved by both the traditional 3-D crystallographic approach and the 4-D superspace group approach using JANA2000. Both methods produced an equivalent structure determination, thereby confirming the 4-D superspace group approach as an effective structure solution method for 3-D commensurate composite structures. Sr₆Rh₅O₁₅ corresponds to the n = 1, m = 1 member of the A_3n+3mA‘_nB_3m+nO_9m+6n family of 2H hexagonal perovskite-related oxides. This compound is characterized by pseudo-one-dimensional polyhedral chains of four face-sharing RhO₆ octahedra followed by one RhO₆ trigonal prism. These chains in turn are separated by [Sr]_∞ chains. Magnetic measurements were carried out on oriented single crystals, and a very large magnetic anisotropy in the magnetic susceptibility was observed.

Publication Info

Published in Journal of the American Chemical Society, Volume 123, Issue 36, 2001, pages 8790-8796.

Rights

Copyright © 2001 American Chemical Society

DOI: 10.1021/ja011071g

Publisher's Version: http://dx.doi.org/10.1021/ja011071g