TY - JOUR
T1 - Photonic phase control of magnetic oxides
AU - Okimoto, Y.
AU - Tokura, Y.
AU - Tomioka, Y.
AU - Onose, Y.
AU - Otsuka, Y.
AU - Miyano, K.
N1 - Funding Information:
This work was supported in part by a Grant-in-Aid for COE Research of the Ministry of Education, Science, Sport, and Culture, Japan, and by the New Energy and Industrial Technology Development Organization of Japan (NEDO).
PY - 1998
Y1 - 1998
N2 - Unconventional optical responses have been revealed for the perovskite manganese oxide, Pr1-xCaxMnO3, which is known to undergo the insulator-metal (I-M) transition relevant to the magnetic field induced melting of the charge-ordered (CO) state. Optical conductivity spectrum is drastically modified over 0-1 eV from a gap-like feature into a metallic band with application of magnetic field of 7 T. It was found that such an I-M transition can be caused by photo-excitation as well. The electrical conductivity and magnetization increase abruptly with irradiation of visible/IR laser, indicating the photo-melting of the CO state and the photo-generation of ferromagnetic metallic domains.
AB - Unconventional optical responses have been revealed for the perovskite manganese oxide, Pr1-xCaxMnO3, which is known to undergo the insulator-metal (I-M) transition relevant to the magnetic field induced melting of the charge-ordered (CO) state. Optical conductivity spectrum is drastically modified over 0-1 eV from a gap-like feature into a metallic band with application of magnetic field of 7 T. It was found that such an I-M transition can be caused by photo-excitation as well. The electrical conductivity and magnetization increase abruptly with irradiation of visible/IR laser, indicating the photo-melting of the CO state and the photo-generation of ferromagnetic metallic domains.
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U2 - 10.1080/10587259808044339
DO - 10.1080/10587259808044339
M3 - Conference article
AN - SCOPUS:0032056892
VL - 314
SP - 559/257-570/268
JO - Molecular Crystals and Liquid Crystals
JF - Molecular Crystals and Liquid Crystals
SN - 1542-1406
T2 - Proceedings of the 1997 8th Sympoisum on Unconventional Photoactive Systems (UPS)
Y2 - 25 May 1997 through 29 May 1997
ER -