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4 papers · 2 filters
Spin-lattice order in frustrated ZnCr2O4
S. Ji, S. -H. Lee, C. Broholm +4
Using synchrotron X-rays and neutron diffraction we disentangle spin-lattice order in highly frustrated ZnCrO where magnetic chromium ions occupy the vertices of regular te…
Coupled magnetic and ferroelectric domains in multiferroic Ni3V2O8
I. Cabrera, M. Kenzelmann, G. Lawes +9
Electric control of multiferroic domains is demonstrated through polarized magnetic neutron diffraction. Cooling to the cycloidal multiferroic phase of Ni3V2O8 in an electric field…
Neutron scattering evidence for isolated spin-1/2 ladders in (CDN)CuBr
A. T. Savici, G. E. Granroth, C. L. Broholm +7
Inelastic neutron scattering was used to determine the spin Hamiltonian for the singlet ground state system of fully deuterated BPCB, (CDN)CuBr. A 2-leg sp…
Fermionic spin excitations in two and three-dimensional antiferromagnets
Zhihao Hao, Oleg Tchernyshyov
Spin excitations in an ordered Heisenberg magnet are magnons--bosons with spin 1. That may change when frustration and quantum fluctuations suppress the order and restore the spin-…