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Magnetism in the S=1 frustrated antiferromagnet GeNi2O4 studied using implanted muons

Abstract:

We present the results of a muon-spin relaxation study of GeNi2O4. We provide further clarification of the two transitions to the antiferromagnetic state and measure the magnetic field dependence of the heat capacity up to 14 T. Both oscillatory and relaxing signals are observed below the lower transition (at temperature TN2) in the muon-decay positron asymmetry spectra, arising from two distinct types of magnetic environment. A possible explanation is suggested in terms of the separate order...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1103/PhysRevB.73.184436

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Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Physics
More by this author
Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Physics
More by this author
Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Physics
More by this author
Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Physics
More by this author
Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Physics
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Funding agency for:
T. Lancaster
Engineering and Physical Sciences Research Council More from this funder
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review B Journal website
Volume:
73
Issue:
18
Pages:
Article: 184436
Publication date:
2006-05-05
DOI:
EISSN:
1550-235x
ISSN:
1098-0211
URN:
uuid:a15b1a30-354e-4301-b3fe-02e85846a178
Local pid:
ora:1016

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