Christensen, NB;
Ronnow, HM;
Mesot, J;
Ewings, RA;
Momono, N;
Oda, M;
Ido, M;
... Boothroyd, AT; + view all
(2007)
Nature of the magnetic order in the charge-ordered cuprate La1.48Nd0.4Sr0.12CuO4.
PHYS REV LETT
, 98
(19)
, Article 197003. 10.1103/PhysRevLett.98.197003.
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Abstract
Using polarized neutron scattering we establish that the magnetic order in La1.48Nd0.4Sr0.12CuO4 is either (i) one dimensionally modulated and collinear, consistent with the stripe model or (ii) two dimensionally modulated with a novel noncollinear structure. The measurements rule out a number of alternative models characterized by 2D electronic order or 1D helical spin order. The low-energy spin excitations are found to be primarily transversely polarized relative to the stripe ordered state, consistent with conventional spin waves.
| Type: | Article |
|---|---|
| Title: | Nature of the magnetic order in the charge-ordered cuprate La1.48Nd0.4Sr0.12CuO4 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.98.197003 |
| Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.98.197003 |
| Language: | English |
| Additional information: | © 2007 The American Physical Society |
| Keywords: | TRANSITION-TEMPERATURE SUPERCONDUCTOR, COPPER-OXIDE SUPERCONDUCTORS, NEUTRON-SCATTERING, SPIN EXCITATIONS, STRIPES, STATES, ANTIFERROMAGNET, FLUCTUATIONS, LA2-XSRXCUO4, DEPENDENCE |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology |
| URI: | https://discovery.ucl.ac.uk/id/eprint/120331 |
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