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Phys. Rev. B 66, 140403(R) (2002) [4 pages]

Chiral domain walls in frustrated magnetoelastic materials

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Yu. B. Gaididei1, A. Saxena2, T. Lookman2, A. R. Bishop2, and H. Büttner3
1Institute for Theoretical Physics, 252143 Kiev, Ukraine
2Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
3Physikalisches Institut, Universität Bayreuth, D-95440 Bayreuth, Germany

Received 12 May 2002; published 28 October 2002

We analyze domain walls on a two-dimensional triangular lattice with magnetoelastic coupling and find three phases: high symmetry (H) triangular, low symmetry rectangular, and spiral. The H-phase domains correspond to spin configurations of different chirality with local lattice rotation. We discuss the consequences of the interplay between chirality and magnetoelastic frustration, specifically how the latter is relieved.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.66.140403
DOI:
10.1103/PhysRevB.66.140403
PACS:
75.25.+z, 75.80.+q