M Kofu et al 2009 New J. Phys. 11 055001 doi:10.1088/1367-2630/11/5/055001
Neutron scattering investigation of the magnetic order in single crystalline BaFe2As2
Iron-Based SuperconductorsM Kofu1, Y Qiu2,3, Wei Bao4,6, S-H Lee1, S Chang2, T Wu5, G Wu5 and X H Chen5
Show affiliationsPart of Iron-Based Superconductors
The magnetic structure of BaFe2As2 was determined from polycrystalline neutron diffraction measurements soon after the ThCr2Si2-type FeAs-based superconductors were discovered. Both the moment direction and the in-plane antiferromagnetic wavevector are along the longer a-axis of the orthorhombic unit cell. There is only one combined magnetostructural transition at ~140 K. However, a later single-crystal neutron diffraction work reported contradicting results. Here, we show neutron diffraction results from a single-crystal sample, grown by a self-flux method, that support the original polycrystalline work.
- PACS
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75.30.Kz Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)
- Subjects
- Dates
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Issue 5 (May 2009)
Received 14 November 2008
Published 5 May 2009
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Neutron scattering investigation of the magnetic order in single crystalline BaFe2As2
M Kofu et al 2009 New J. Phys. 11 055001
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