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Magnetic properties of the S=1/2 quasi square lattice antiferromagnet CuF2(H2O)2(pyz) (pyz=pyrazine) investigated by neutron scattering
C. H. Wang, M. D. Lumsden, R. S. Fishman +9
We have performed elastic and inelastic neutron experiments on single crystal samples of the coordination polymer compound CuF2(H2O)2(pyz) (pyz=pyrazine) to study the magnetic stru…
Magnetic structural change of Sr2IrO4 upon Mn doping
S. Calder, G. -X. Cao, M. D. Lumsden +5
The layered 5d transition metal oxide Sr2IrO4 has been shown to host a novel Jeff=1/2 Mott spin orbit insulating state with antiferromagnetic ordering, leading to comparisons with…
Magnetic order tuned by Cu substitution in Fe1.1-zCuzTe
Jinsheng Wen, Zhijun Xu, Guangyong Xu +7
We study the effects of Cu substitution in Fe1.1Te, the non-superconducting parent compound of the iron-based superconductor, Fe1+yTe1-xSex, utilizing neutron scattering techniques…
Competition between stripe and checkerboard magnetic instabilities in Mn-doped BaFe2As2
G. S. Tucker, D. K. Pratt, M. G. Kim +12
Inelastic neutron scattering measurements on Ba(Fe0.925Mn0.075)2As2 manifest spin fluctuations at two different wavevectors in the Fe square lattice, (1/2,0) and (1/2,1/2), corresp…
Magnetic structure determination of CaLiOsO using neutron and x-ray scattering
S. Calder, M. D. Lumsden, V. O. Garlea +5
We present a neutron and x-ray scattering investigation of CaLiOsO, a material predicted to host magnetic ordering solely through an extended superexchange pathway involvin…
Coupling of spin and lattice modes in the S=1/2 two-dimensional antiferromagnet KVO with magneto-dielectric couplings
K. -Y. Choi, P. Lemmens, V. P. Gnezdilov +2
Lattice dynamics and magnetic excitations are investigated to elucidate the origin of magneto-dielectric effects in the S=1/2 two-dimensional quantum spin compound KVO.…