Neutron Scattering Studies of LiCoPO4 & LiMnPO4
Tian W.3; Li J.1; Li H.3; Lynn J.W.1; Zarestky J.L.3; Vaknin D.3
Source PublicationJournal of Physics: Conference Series
AbstractLiCoPO (T ≈ 21.8 K) & LiMnPO (T ≈ 34 K) are antiferromagnetic insulators exhibiting large magnetoelectric effects. We performed inelastic neutron scattering (INS) experiments to investigate the spin dynamics of these systems and analyzed the measured magnetic spectra by linear spin-wave theory, taking into account intra- and inter-plane nearest, next nearest neighbor magnetic exchange interactions and single ion anisotropy. The INS results indicate that the single ion anisotropy in LiCoPO is comparable to the nearest-neighbor magnetic exchange interaction rendering Ising-type behavior of LiCoPO. Neutron diffraction studies of LiMnPO in applied magnetic fields reveal a spin-flop transition at ∼ 3.5 Tesla with characteristics of a second order phase transition. © 2010 IOP Publishing Ltd.
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Cited Times [WOS]:10   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.National Institute of Standards and Technology
2.University of Maryland
3.Iowa State University
Recommended Citation
GB/T 7714
Tian W.,Li J.,Li H.,et al. Neutron Scattering Studies of LiCoPO4 & LiMnPO4[C],2010.
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