We report a neutron scattering study on the tetragonal compound Sr2Cu3O4Cl2, which has two-dimensional (2D) interpenetrating CuI and CuII subsystems, each forming a S=1/2 square lattice quantum Heisenberg antiferromagnet (SLQHA). The mean-field ground state is degenerate, since the intersubsystem interactions are geometrically frustrated. Magnetic neutron scattering experiments show that quantum fluctuations lift the degeneracy and cause a 2D Ising ordering of the CuII subsystem. Due to quantum fluctuations a dramatic increase of the CuI out-of-plane spin-wave gap is also observed. The temperature dependence and the dispersion of the spin-wave energy are quantitatively explained by spin-wave calculations which include quantum fluctuations e...
We report the neutron scattering studies of the nuclear and magnetic structures of deuterated sample...
Spin correlations in the paramagnetic phase of La2CuO4 have been studied using polarized neutron sca...
We use series expansion methods to study ground- and excited-state properties in the helically order...
We report a neutron scattering study on the tetragonal compound Sr2Cu3O4Cl2, which has two-dimension...
Sr2Cu3O4Cl2 has CuI and CuII subsystems, forming interpenetrating S=1/2 square lattice Heisenberg an...
Sr2Cu3O4Cl2 is an antiferromagnet consisting of weakly coupled CuO planes which comprise two weakly ...
We have investigated the spin dynamics in the strongly correlated chain copper oxide SrCuO2 for ener...
Using an electron spin resonance spectrometer covering a wide range of frequency and magnetic field,...
Sr2Cu3O4Cl2 is a variant of the lamellar copper oxides, containing an extra Cu2+ ion in the center o...
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1995.Includes bibliographi...
Complex low-temperature-ordered states in chiral magnets are typically governed by a competition bet...
The triangular antiferromagnetic Cs2CuCl4‐xBrx mixed system is studied by neutron single‐crystal dif...
The Cu3O4 layer in Sr2Cu3O4Cl2 is a variant of the square CuO2 lattice of the high-temperature super...
This thesis describes neutron scattering experiments on strongly correlated systems exhibiting a ran...
The magnetic properties of conventional and high-temperature superconductors have been investigated ...
We report the neutron scattering studies of the nuclear and magnetic structures of deuterated sample...
Spin correlations in the paramagnetic phase of La2CuO4 have been studied using polarized neutron sca...
We use series expansion methods to study ground- and excited-state properties in the helically order...
We report a neutron scattering study on the tetragonal compound Sr2Cu3O4Cl2, which has two-dimension...
Sr2Cu3O4Cl2 has CuI and CuII subsystems, forming interpenetrating S=1/2 square lattice Heisenberg an...
Sr2Cu3O4Cl2 is an antiferromagnet consisting of weakly coupled CuO planes which comprise two weakly ...
We have investigated the spin dynamics in the strongly correlated chain copper oxide SrCuO2 for ener...
Using an electron spin resonance spectrometer covering a wide range of frequency and magnetic field,...
Sr2Cu3O4Cl2 is a variant of the lamellar copper oxides, containing an extra Cu2+ ion in the center o...
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1995.Includes bibliographi...
Complex low-temperature-ordered states in chiral magnets are typically governed by a competition bet...
The triangular antiferromagnetic Cs2CuCl4‐xBrx mixed system is studied by neutron single‐crystal dif...
The Cu3O4 layer in Sr2Cu3O4Cl2 is a variant of the square CuO2 lattice of the high-temperature super...
This thesis describes neutron scattering experiments on strongly correlated systems exhibiting a ran...
The magnetic properties of conventional and high-temperature superconductors have been investigated ...
We report the neutron scattering studies of the nuclear and magnetic structures of deuterated sample...
Spin correlations in the paramagnetic phase of La2CuO4 have been studied using polarized neutron sca...
We use series expansion methods to study ground- and excited-state properties in the helically order...