Рубрики:
SPIN-WAVE SPECTRUM
PHASE 10 K
METABORATE
Кл.слова (ненормированные):
cuprates -- magnetic soliton lattice -- Heisenberg exchange -- low-dimensional excitations -- Cuprates -- Heisenberg exchange -- Low-dimensional excitations -- Magnetic soliton lattice -- Dispersions -- Insulating materials -- Magnetic properties -- Neutron scattering -- Positive ions -- Cuprates -- Heisenberg exchange -- Low-dimensional excitations -- Magnetic soliton lattice -- Copper compounds
SPIN-WAVE SPECTRUM
PHASE 10 K
METABORATE
Кл.слова (ненормированные):
cuprates -- magnetic soliton lattice -- Heisenberg exchange -- low-dimensional excitations -- Cuprates -- Heisenberg exchange -- Low-dimensional excitations -- Magnetic soliton lattice -- Dispersions -- Insulating materials -- Magnetic properties -- Neutron scattering -- Positive ions -- Cuprates -- Heisenberg exchange -- Low-dimensional excitations -- Magnetic soliton lattice -- Copper compounds
Аннотация: We performed inelastic neutron scattering measurements on CuB2O4 with a magnetic field applied in the tetragonal basal plane. The spin dynamics in this cuprate is determined by the interplay of two magnetic Cu2+ subsystems, the magnetic cage with predominant 3d Heisenberg exchange and quasi Id zig-zag chains. The comparison of the dispersion spectra along the chain direction in zero field and under applied field suggests a decoupling of the two magnetic sublattices under field. (c) 2006 Elsevier B.V. All rights reserved.
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Держатели документа:
Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France
Paul Scherrer Inst, Neutron Scattering Lab, CH-5232 Villigen, Switzerland
Russian Acad Sci, Inst Phys, SB, Krasnoyarsk 660036, Russia
ИФ СО РАН
Institut Laue Langevin, 6, rue Jules Horowitz, F-38042 Cedex 9, France
Laboratory of Neutron Scattering, Paul Scherrer Institute, CH-5232 Villigen, Switzerland
Institute of Physics, SB RAS, 660036 Krasnoyarsk, Russian Federation
Доп.точки доступа:
Boehm, M.; Roessli, B.; Schefer, J.; Ouladdiaf, B.; Kulda, J.; Petrakovskii, G. A.; Петраковский, Герман Антонович