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7 papers · 2 filters
The ground state of heavily-overdoped non-superconducting LaSrCuO
S. Nakamae, K. Behnia, N. Mangkorntong +4
We report detailed thermodynamic and transport measurements for non-superconducting LaSrCuO. Collectively, these data reveal that a highly-correlated Fermi-liqu…
Fermi Surface Study of Quasi-Two-Dimensional Organic Conductors by Magnetooptical Measurements
Y. Oshima, H. Ohta, K. Koyama +6
Magnetooptical measurements of several quasi-two-dimensional (q2D) organic conductors, which have simple Fermi surface structure, have been performed by using a cavity perturbation…
Quantum behavior of Orbitals in Ferromagnetic Titanates: Novel Orderings and Excitations
Giniyat Khaliullin, Satoshi Okamoto
We investigate the collective behavior of orbital angular momentum in the spin ferromagnetic state of a Mott insulator with orbital degeneracy. The frustrated nature of th…
Magnetic Order and Dynamics in an Orbitally Degenerate Ferromagnetic Insulator
C. Ulrich, G. Khaliullin, S. Okamoto +6
Neutron scattering was used to determine the spin structure and the magnon spectrum of the Mott--Hubbard insulator YTiO. The magnetic structure is complex, comprising substanti…
Magnetic properties of a S=1/2 zigzag spin chain compound (N_2H_5)CuCl_3
N. Maeshima, M. Hagiwara, Y. Narumi +3
We present a theoretical and experimental study of a quasi-one-dimensional zigzag antiferromagnet (N_2H_5)CuCl_3, which can be viewed as weakly coupled Heisenberg chains with a fru…
Observation of High-Order Harmonic Resonances in Magnetooptical Measurements of (BEDT-TTF)2Br(DIA)
Y. Oshima, H. Ohta, K. Koyama +3
Magnetooptical measurements of a quasi-two-dimensional (q2D) organic conductor (BEDT-TTF)2Br(DIA) (DIA=diiodoacetylene) were performed using a cavity perturbation technique with a…