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Anisotropy of Antiferromagnetic 180° Domains in LiCoPO4 and LiNiPO4

Van Aken, Bas B.
Fiebig, M.
Published in Physical review letters. 2008, 157202
Abstract Unexpected three-dimensional distributions of antiferromagnetic 180° domains are observed in LiCoPO4 and LiNiPO4 by optical second harmonic generation. Domains in LiCoPO4 are isotropic in spite of the quasi-two-dimensional magnetic structure whereas domains in LiNiPO4 are distinctly anisotropic, but in contrast to the anisotropy of the magnetic structure. The diversity reveals a potential for fine-tuning magnetic properties determined by the distribution of domains or domain walls and the urgent need for an improved understanding of spatial correlations in antiferromagnets.
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VAN AKEN, Bas B. et al. Anisotropy of Antiferromagnetic 180° Domains in LiCoPO4 and LiNiPO4. In: Physical Review Letters, 2008, p. 157202. doi: 10.1103/PhysRevLett.101.157202 https://archive-ouverte.unige.ch/unige:802

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Deposited on : 2009-02-16

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