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The square-lattice spiral magnet Ba_2CuGe_2O_7 in an in-plane magnetic field
A. Zheludev, S. Maslov, G. Shirane +5
The magnetic structure of Ba_2CuGe_2O_7 is investigated by neutron diffraction in magnetic fields applied along several directions in the plane of the crystal. In relativel…
Temperature-dependent spin gap and singlet ground state in BaCuSi2O6
Y. Sasago, K. Uchinokura, A. Zheludev +1
Bulk magnetic measurements and inelastic neutron scattering were used to investigate the spin-singlet ground state and magnetic gap excitations in BaCuSi2O6, a quasi-2-dimensional…
New phase diagram of Zn-doped CuGeO3
Y. Sasago, N. Koide, K. Uchinokura +4
A series of high-quality single crystals of CuZnGeO have been examined by neutron scattering techniques. An antiferromagnetic (AF) ordering is confirmed for samples…
Temperature Dependence of the Spin-Peierls Energy Gap and Anomalous Line Shapes in CuGeO
Michael C. Martin, G. Shirane, Y. Fujii +5
Neutron scattering measurements on a large single crystal of CuGeO have been used to determine the temperature-dependence of the spin-Peierls energy gap. While the power law be…
Intercalation and Staging Behavior in Super-Oxygenated
B. O. Wells, R. J. Birgeneau, F. C. Chou +7
A high temperature electrochemical oxidation process has been used to produce large single crystals of suitable for neutron scattering experiments. Below room tem…