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  4. Statics and dynamics of the magnetic soliton lattice in the high-field phase of CuGeO3
 
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research article

Statics and dynamics of the magnetic soliton lattice in the high-field phase of CuGeO3

Enderle, M.
•
Ronnow, H. M.  
•
McMorrow, D. F.
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2001
Journal of Magnetism and Magnetic Materials

Driven by antiferromagnetic quantum fluctuations on a deformable lattice, spin-Peierls systems dimerize magnetically and structurally at low temperatures. In this dimer phase all excitations with non-zero magnetization have a finite energy. The energy gain by a finite induced magnetization overcomes the energy gap at a critical magnetic field strength H-c. Above H-c, an incommensurately modulated magnetic and distortive domain wall pattern is formed. The magnetic modulation pattern and the low-energy excitation spectrum in this high-field phase of the inorganic spin-Peierls compound CuGeO3 are fully determined by elastic and inelastic neutron scattering and discussed together with theoretical predictions as well as other experimental results.

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Type
research article
DOI
10.1016/S0304-8853(01)00007-5
Author(s)
Enderle, M.
•
Ronnow, H. M.  
•
McMorrow, D. F.
•
Regnault, L. P.
•
Vorderwisch, P.
•
Meissner, M.
•
Smeibidl, P.
•
Dhalenne, G.
•
Revcolevschi, A.
Date Issued

2001

Published in
Journal of Magnetism and Magnetic Materials
Volume

226

Start page

465

End page

467

Subjects

peierls spin transition

•

antiferromagnetism-quantum

•

excitation-magnetic

•

high magnetic field

•

neutron scattering

•

magnetic

•

structure-incommensurate

•

PEIERLS COMPOUND CUGEO3

•

INCOMMENSURATE PHASE

•

PURE

Note

Univ Saarland, D-66123 Saarbrucken, Germany. Riso Natl Lab, Condensed Matter Phys & Chem Dept, DK-4000 Roskilde, Denmark. Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France. CEA, CENG, DRFMC, F-38054 Grenoble, France. BENSC, D-14109 Berlin, Germany. Univ Paris 11, Lab Chim Solides, Orsay, France. Enderle, M, Forskningctr Riso, Afdelingen Mat Fys & Kemi, Bygning 108, DK-4000 Roskilde, Denmark.

Peer reviewed

REVIEWED

Written at

EPFL

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Available on Infoscience
January 24, 2007
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/239930
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