Search for the Photo-Induced Hidden Phase in Inorganic and Organic Systems

• Authors: S. Koshihara , K. Onda , Y. Okimoto , T. Ishikawa
• Languages of publication: EN

Abstracts

EN

We review the dynamical behavior of strongly electron-lattice (orbital) coupled system induced by photo-excitation of fs laser pulse. By virtue of the femtosecond (fs) spectroscopy and picosecond (ps) time-resolved X-ray diffraction measurements, we demonstrate that the photo-irradiation creates new ordered state so called as "hidden phase" which can never be realized under thermo-equilibrium condition. This exotic phase commonly plays the key role for realizing the gigantic photo-induced changes in optical properties of inorganic and organic electron-lattice strongly coupled systems.

Keywords

EN

78.47.J-; 63.20.kd; 71.30.+h; 71.45.Lr

Discipline

• 71.30.+h: Metal-insulator transitions and other electronic transitions
• 71.45.Lr: Charge-density-wave systems(see also 75.30.Fv Spin-density waves)
• 63.20.kd: Phonon-electron interactions
• 78.47.J-: Ultrafast spectroscopy (<1>(see also 42.65.Re Ultrafast processes; optical pulse generation and pulse compression; 82.53.Mj Femtosecond probing of semiconductor nanostructures)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 121
• Issue: 2
• Pages: 328-331

Dates

published

2012-02

Contributors

author

S. Koshihara

• JST, CREST & Department of Materials Science, Tokyo Institute of Technology, Meguro-ku Tokyo 152-8551, Japan

author

K. Onda

• Department of Environmental Chem. and Engineering, Tokyo Institute of Technology, Nagatsuta-Yokohama, 226-8503, Japan

author

Y. Okimoto

• JST, CREST & Department of Materials Science, Tokyo Institute of Technology, Meguro-ku Tokyo 152-8551, Japan

author

T. Ishikawa

• JST, CREST & Department of Materials Science, Tokyo Institute of Technology, Meguro-ku Tokyo 152-8551, Japan

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Identifiers

DOI

10.12693/APhysPolA.121.328