Publications (11)
Direct Evidence for the Localized Single-Triplet Excitations and the Dispersive Multi-Triplets Excitations in SrCu2(BO3)2
H. Kageyama, M. Nishi, N. Aso +6
We performed inelastic neutron scattering on the 2D Shastry-Sutherland system SrCu2(11BO3)2 with an exact dimer ground state. Three energy levels at around 3, 5 and 9 meV were obse…
Spin correlation in kagomé ice state: neutron scattering study of the dipolar spin ice Dy_{2}Ti_{2}O_{7} under magnetic field along [111]
Y. Tabata, H. Kadowaki, K. Matsuhira +4
We have investigated the kagomé ice state in the frustrated pyrochlore oxide Dy_{2}Ti_{2}O_{7} under magnetic field along a [111] axis. Spin correlations have been measured by neu…
Stoner gap in the superconducting ferromagnet UGe2
N. Aso, G. Motoyama, Y. Uwatoko +7
We report the temperature () dependence of ferromagnetic Bragg peak intensities and dc magnetization of the superconducting ferromagnet UGe2 under pressure (). We have found…
Kagomé ice state in the dipolar spin ice Dy_{2}Ti_{2}O_{7}
Y. Tabata, H. Kadowaki, K. Matsuhira +4
We have investigated the kagomé ice behavior of the dipolar spin-ice compound Dy_{2}Ti_{2}O_{7} in magnetic field along a [111] direction using neutron scattering and Monte Carlo…
Molecular spin resonance in the geometrically frustrated MgCr2O4 magnet by inelastic neutron scattering
K. Tomiyasu, H. Suzuki, M. Toki +4
We measured two magnetic modes with finite and discrete energies in an antiferromagnetic ordered phase of a geometrically frustrated magnet MgCr2O4 by single-crystal inelastic neut…
Neutron scattering experiments and simulations near the magnetic percolation threshold of Fe_x Zn_{1-x} F_2
G. Alvarez, N. Aso, D. P. Belanger +4
The low temperature excitations in the anisotropic antiferromagnetic Fe_{1-x} Zn_x F_2 for x=0.25 and 0.31, at and just above the magnetic percolation threshold concentration x_p=0…