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|Title:||Stripe order and magnetic anisotropy in the S=1 antiferromagnet BaMoP2 O8|
Badrtdinov, D. I.
Mazurenko, V. V.
Tsirlin, A. A.
|Publisher:||American Physical Society|
|Citation:||Stripe order and magnetic anisotropy in the S=1 antiferromagnet BaMoP2 O8 / J. Hembacher, D. I. Badrtdinov, L. Ding, et al. — DOI 10.1103/PhysRevB.98.094406 // Physical Review B. — 2018. — Vol. 98. — Iss. 9. — 094406.|
|Abstract:||Magnetic behavior of yavapaiite-type BaMoP2O8 with the spatially anisotropic triangular arrangement of the S=1Mo4+ ions is explored using thermodynamic measurements, neutron diffraction, and density-functional band-structure calculations. A broad maximum in the magnetic susceptibility around 46 K is followed by the stripe antiferromagnetic order with the propagation vector k=(12,12,12) formed below TN≃21 K. This stripe phase is triggered by a pronounced one-dimensionality of the spin lattice, where one of the in-plane couplings, J2≃4.6 meV, is much stronger than its J1≃0.4 meV counterpart, and stabilized by the weak easy-axis anisotropy. The ordered moment of 1.42(9)μB at 1.5 K is significantly lower than the spin-only moment of 2μB due to a combined effect of quantum fluctuations and spin-orbit coupling. © 2018 American Physical Society.|
|Appears in Collections:||Научные публикации, проиндексированные в SCOPUS и WoS CC|
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