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An angle-resolved photoemission spectral function analysis of the electron doped cuprate Nd_1.85Ce_0.15CuO_4
N. P. Armitage, D. H. Lu, C. Kim +15
Using methods made possible by recent advances in photoemission technology, we perform an indepth line-shape analysis of the angle-resolved photoemission spectra of the electron do…
Distorted Perovskite with e_g^1 Configuration as a Frustrated Spin System
T. Kimura, S. Ishihara, H. Shintani +4
The evolution of spin- and orbital-ordered states has been systematically investigated for a series of insulating perovskites MnO (=La,Pr,Nd,...). MnO with a large…
Resonant X-ray Study on the Bi-Layered Perovskite Mn Oxide LaSr2Mn2O7
Yusuke Wakabayashi, Youichi Murakami, Ichiro Koyama +5
Charge and orbital ordering behaviors in the half doped bi-layered compound LaSr2Mn2O7 have been studied by resonant and non-resonant X-ray scattering. Three different order parame…
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 Anisotropy in La_0.8Sr_0.2MnO_3: Electron Spin Resonance
J. Deisenhofer, H. -A. Krug von Nidda, A. Loidl +4
We report on Ferromagnetic-Resonance experiments in a single crystal of La_0.8Sr_0.2MnO_3 in the temperature range from 4 to 300 K. The observed anisotropy of the resonance line ch…
Anisotropy of Mott-Hubbard gap transitions due to spin and orbital ordering in LaVO3 and YVO3
Shigeki Miyasaka, Yoichi Okimoto, Yoshinori Tokura
Anisotropic optical spectra coupled with antiferromagnetic spin ordering (SO) and orbital ordering (OO) have been investigated for single crystals of LaVO_{3} and YVO_{3}. The orbi…
Coherent X-ray Scattering from Manganite Charge and Orbital Domains
C. S. Nelson, J. P. Hill, Doon Gibbs +5
We report coherent x-ray scattering studies of charge and orbital domains in manganite systems. The experiments were carried out on LaMnO_3 and Pr_{0.6}Ca_{0.4}MnO_3, with the inci…