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A muon-spin relaxation (mu SR) study of the geometrically frustrated magnets Gd3Ga5O12 and ZnCr2O4

Abstract:

We present the results of muon-spin-relaxation experiments for two materials which show geometric frustration. ZnCr22O4 has a spinel structure with S = 3/2 spins on a lattice of corner-sharing tetrahedra. Our experiments show that a local magnetic field which is quasi-static on the muon timescale develops below Tc = 12.5 K, a transition which has been associated with a three-dimensional analogue of the spin-Peierls transition. In contrast, Gd3Ga5O12 has a garnet structure with S = 7/2 spins a...

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Publication status:
Published

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Publisher copy:
10.1088/0953-8984/14/6/104

Authors


Marshall, IM More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Husmann, A More by this author
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Journal:
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume:
14
Issue:
6
Pages:
L157-L163
Publication date:
2002-02-18
DOI:
ISSN:
0953-8984
URN:
uuid:d101ed2f-1845-46bb-b55c-3db9f95a7fc1
Source identifiers:
26713
Local pid:
pubs:26713
Language:
English

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