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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/29812
Record Status
Checked
Record Id
29812
Title
Ferromagnetic in-plane spin fluctuations in Na
x
CoO
2
observed by neutron inelastic scattering
Contributors
A T Boothroyd
,
R Coldea
,
D A Tennant
,
D Prabhakaran
,
L M Helme
,
C D Frost
Abstract
We present neutron scattering spectra taken from a single crystal of Na0.75CoO2, the precursor to a novel cobalt-oxide superconductor. The data contain a prominent inelastic signal at low energies (~10 meV), which is localized in wave vector about the origin of two-dimensional reciprocal space. The signal is highly dispersive, and decreases in intensity with increasing temperature. We interpret these observations as direct evidence for the existence of ferromagnetic spin fluctuations within the cobalt-oxygen layers.
Organisation
CCLRC
,
ISIS
,
ISIS-MAPS
Keywords
Physics
,
ISIS 2004
Funding Information
Related Research Object(s):
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
Phys Rev Lett
92 (2004): 197201.
doi:10.1103/PhysRevLett.92.197201
2004
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