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Title: Crystal growth, crystal structure, and magnetic properties of a new lithium cobalt diphosphate

Abstract

Single crystals of the new lithium cobalt diphosphate Li{sub 6}Co{sub 5}(P{sub 2}O{sub 7}){sub 4} have been grown, and their structure has been determined by X-ray diffraction techniques. This compound crystallizes in the triclinic space group P1 with a = 6.3009(7), b = 8.413(1), and c = 9.937(1) {angstrom}{alpha} = 107.894(2), {beta} = 90.247(2), and {gamma} = 92.782(2){degree}, V = 500.6(1) {angstrom}{sup 3}, and Z = 1. The structure of Li{sub 6}Co{sub 5}(P{sub 2}O{sub 7}){sub 4} is characterized by the arrangement of CoO{sub 6} octahedra, CoO{sub 5} trigonal bipyramids, and diphosphate groups. The CoO{sub 6} octahedra share edges forming infinite zigzag chains [Co{sub 3}O{sub 14}] running along the b direction. Laterally, such chains share octahedra corners with CoO{sub 5} trigonal bipyramids and P{sub 2}O{sub 7} diphosphate groups connecting with another symmetrically equivalent chain. The connection between these polyhedra defines tunnels along the [100], [001], and [011] directions, where the Li cations are located. The tunnel intersection gives rise to a three-dimensional channel system. Magnetic measurements reveal the presence of antiferromagnetic interactions in the Co{sup 2+} sublattice at about 11 K. The field dependence of magnetization shows that this compound exhibits a metamagnetic transition.

Authors:
; ;
Publication Date:
Research Org.:
CSIC, Madrid (ES)
OSTI Identifier:
20050860
Resource Type:
Journal Article
Journal Name:
Chemistry of Materials
Additional Journal Information:
Journal Volume: 12; Journal Issue: 3; Other Information: PBD: Mar 2000; Journal ID: ISSN 0897-4756
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; COBALT PHOSPHATES; LITHIUM PHOSPHATES; CRYSTAL STRUCTURE; ANTIFERROMAGNETISM

Citation Formats

Sanz, F, Parada, C, and Ruiz-Valero, C. Crystal growth, crystal structure, and magnetic properties of a new lithium cobalt diphosphate. United States: N. p., 2000. Web. doi:10.1021/cm991085+.
Sanz, F, Parada, C, & Ruiz-Valero, C. Crystal growth, crystal structure, and magnetic properties of a new lithium cobalt diphosphate. United States. doi:10.1021/cm991085+.
Sanz, F, Parada, C, and Ruiz-Valero, C. Wed . "Crystal growth, crystal structure, and magnetic properties of a new lithium cobalt diphosphate". United States. doi:10.1021/cm991085+.
@article{osti_20050860,
title = {Crystal growth, crystal structure, and magnetic properties of a new lithium cobalt diphosphate},
author = {Sanz, F and Parada, C and Ruiz-Valero, C},
abstractNote = {Single crystals of the new lithium cobalt diphosphate Li{sub 6}Co{sub 5}(P{sub 2}O{sub 7}){sub 4} have been grown, and their structure has been determined by X-ray diffraction techniques. This compound crystallizes in the triclinic space group P1 with a = 6.3009(7), b = 8.413(1), and c = 9.937(1) {angstrom}{alpha} = 107.894(2), {beta} = 90.247(2), and {gamma} = 92.782(2){degree}, V = 500.6(1) {angstrom}{sup 3}, and Z = 1. The structure of Li{sub 6}Co{sub 5}(P{sub 2}O{sub 7}){sub 4} is characterized by the arrangement of CoO{sub 6} octahedra, CoO{sub 5} trigonal bipyramids, and diphosphate groups. The CoO{sub 6} octahedra share edges forming infinite zigzag chains [Co{sub 3}O{sub 14}] running along the b direction. Laterally, such chains share octahedra corners with CoO{sub 5} trigonal bipyramids and P{sub 2}O{sub 7} diphosphate groups connecting with another symmetrically equivalent chain. The connection between these polyhedra defines tunnels along the [100], [001], and [011] directions, where the Li cations are located. The tunnel intersection gives rise to a three-dimensional channel system. Magnetic measurements reveal the presence of antiferromagnetic interactions in the Co{sup 2+} sublattice at about 11 K. The field dependence of magnetization shows that this compound exhibits a metamagnetic transition.},
doi = {10.1021/cm991085+},
journal = {Chemistry of Materials},
issn = {0897-4756},
number = 3,
volume = 12,
place = {United States},
year = {2000},
month = {3}
}