Charge ordering and disordering transitions in as investigated by optical spectroscopy

Y. Okimoto; Y. Tomioka; Y. Onose; Y. Otsuka; Y. Tokura

doi:10.1103/PhysRevB.57.R9377

Charge ordering and disordering transitions in as investigated by optical spectroscopy

Y. Okimoto, Y. Tomioka, Y. Onose, Y. Otsuka, Y. Tokura

IMR - Materials Design Division

Jt. Res. Center for Atom Technology

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125 Citations (Scopus)

Abstract

The magnetic-field dependence of optical spectra and their anisotropy have been investigated for a single crystal of (Formula presented) at 30 K. The charge-ordered (CO) state is transformed into a ferromagnetic metallic state by a magnetic field of 6.5 T, which is manifested in a huge change of optical spectra over a wide photon-energy region (0.05 eV-3 eV). The observed change in magnitude and anisotropy of the optical spectra with the external magnetic field has been elucidated in terms of the spin- and orbital-ordering structures in the CO state.

Original language	English
Pages (from-to)	R9377-R9380
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	57
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.57.R9377
Publication status	Published - 1998

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10.1103/PhysRevB.57.R9377

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abstract = "The magnetic-field dependence of optical spectra and their anisotropy have been investigated for a single crystal of (Formula presented) at 30 K. The charge-ordered (CO) state is transformed into a ferromagnetic metallic state by a magnetic field of 6.5 T, which is manifested in a huge change of optical spectra over a wide photon-energy region (0.05 eV-3 eV). The observed change in magnitude and anisotropy of the optical spectra with the external magnetic field has been elucidated in terms of the spin- and orbital-ordering structures in the CO state.",

author = "Y. Okimoto and Y. Tomioka and Y. Onose and Y. Otsuka and Y. Tokura",

year = "1998",

doi = "10.1103/PhysRevB.57.R9377",

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T1 - Charge ordering and disordering transitions in as investigated by optical spectroscopy

AU - Okimoto, Y.

AU - Tomioka, Y.

AU - Onose, Y.

AU - Otsuka, Y.

AU - Tokura, Y.

PY - 1998

Y1 - 1998

N2 - The magnetic-field dependence of optical spectra and their anisotropy have been investigated for a single crystal of (Formula presented) at 30 K. The charge-ordered (CO) state is transformed into a ferromagnetic metallic state by a magnetic field of 6.5 T, which is manifested in a huge change of optical spectra over a wide photon-energy region (0.05 eV-3 eV). The observed change in magnitude and anisotropy of the optical spectra with the external magnetic field has been elucidated in terms of the spin- and orbital-ordering structures in the CO state.

AB - The magnetic-field dependence of optical spectra and their anisotropy have been investigated for a single crystal of (Formula presented) at 30 K. The charge-ordered (CO) state is transformed into a ferromagnetic metallic state by a magnetic field of 6.5 T, which is manifested in a huge change of optical spectra over a wide photon-energy region (0.05 eV-3 eV). The observed change in magnitude and anisotropy of the optical spectra with the external magnetic field has been elucidated in terms of the spin- and orbital-ordering structures in the CO state.

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JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 16

ER -

Charge ordering and disordering transitions in as investigated by optical spectroscopy

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