TY - JOUR
T1 - Structural evolution of spin-Peierls material CuGeO3 studied by neutron scattering
AU - Arai, M.
AU - Fujita, M.
AU - Ubukata, K.
AU - Ohta, H.
AU - Motokawa, M.
AU - Otomo, T.
AU - Ohyama, K.
AU - Mino, M.
AU - Akimitsu, J.
AU - Fujita, O.
N1 - Copyright:
Copyright 2014 Elsevier B.V., All rights reserved.
PY - 1995/2
Y1 - 1995/2
N2 - The crystal structure and phonon dynamics of the spin-Peierls material CuGeO3 have been studied by neutron scattering. We found a large lattice anomaly in the a-b plane, perpendicular to the one-dimensional antiferromagnetic spin chain, above the transition temperature. The phonon modes at 100 meV, of the chain oxygens, show anomalous behavior, consistent with structural change. We therefore conclude that the structural evolution of the chain oxygens in the a-b plane, which mediates the spin-spin interaction along the c-axis, drives the spin-Peierls transition.
AB - The crystal structure and phonon dynamics of the spin-Peierls material CuGeO3 have been studied by neutron scattering. We found a large lattice anomaly in the a-b plane, perpendicular to the one-dimensional antiferromagnetic spin chain, above the transition temperature. The phonon modes at 100 meV, of the chain oxygens, show anomalous behavior, consistent with structural change. We therefore conclude that the structural evolution of the chain oxygens in the a-b plane, which mediates the spin-spin interaction along the c-axis, drives the spin-Peierls transition.
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U2 - 10.1016/0304-8853(94)00692-X
DO - 10.1016/0304-8853(94)00692-X
M3 - Article
AN - SCOPUS:0029244496
SN - 0304-8853
VL - 140-144
SP - 1689
EP - 1690
JO - Journal of Magnetism and Magnetic Materials
JF - Journal of Magnetism and Magnetic Materials
IS - PART 3
ER -