ANSTO Publications Online: Frustrated magnetism and local structural disorder in pyrochlore-type Bi1.89Fe1.16Nb0.95O6.95.

Please use this identifier to cite or link to this item: http://apo.ansto.gov.au/dspace/handle/10238/2926

Title:	Frustrated magnetism and local structural disorder in pyrochlore-type Bi1.89Fe1.16Nb0.95O6.95.
Authors:	Miiller, W Causeret, L Ling, CD
Keywords:	Magnetic Properties Pyrochlore Spin Glass State Monocrystals Zone Melting Neutron Diffraction
Issue Date:	8-Dec-2010
Publisher:	Institute of Physics
Citation:	Miiller, W., Causeret, L., & Ling, C. D. (2010). Frustrated magnetism and local structural disorder in pyrochlore-type Bi1.89Fe1.16Nb0.95O6.95. Journal of Physics-Condensed Matter, 22(48), 486004.
Abstract:	The magnetic properties of pyrochlore-type Bi1.89Fe1.16Nb0.95O6.95 have been investigated for the first time using AC and DC susceptibility. The compound is shown to behave as a classical spin glass due to strong competition/coexistence of ferro- and antiferromagnetic exchange. The study was accompanied by the first-ever growth of single crystals of this compound using the floating-zone method, allowing us to carry out a single-crystal neutron diffraction experiment that confirmed and extended our understanding of local structural disorder, driven by the stereochemically active 6s2 electron lone pair on Bi3 + ions. The magnetic properties are discussed in terms of both the topologically frustrated Fe3 + lattice and the role of this local structural disorder. © 2010, Institute of Physics
URI:	http://dx.doi.org/10.1088/0953-8984/22/48/486004 http://apo.ansto.gov.au/dspace/handle/10238/2926
ISSN:	0953-8984
Appears in Collections:	Journal Articles

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