Femtosecond time-resolved spectroscopic study of the slow dynamics in the structural phase transition

Toshirou Yagi; June Kano; Takeo Watanuki; Yuhji Tsujimi; Keith A. Nelson

Femtosecond time-resolved spectroscopic study of the slow dynamics in the structural phase transition

Toshirou Yagi, June Kano, Takeo Watanuki, Yuhji Tsujimi, Keith A. Nelson

Research output: Contribution to journal › Article › peer-review

Abstract

The femtosecond time-resolved spectroscopy has been applied for the study of the B₂ soft mode in the phase transition of the hydrogen-bonded ferroelectric KDP. An extremely early stage of the excitation of the B₂ soft mode in KDP reveals newly existence of the mechanical forming process of the soft modes over the limit of the Debye model. The method shows its high resolution on the wave vector in the study of the A₁ phonon-polariton dispersion relation of LiNbO₃.

Original language	English
Pages (from-to)	S1012-S1016
Journal	Journal of the Korean Physical Society
Volume	42
Issue number	SUPPL.
Publication status	Published - Apr 1 2003
Externally published	Yes

Keywords

Dispersion relation
Heterodyne detection
Impulsive stimulated Raman scattering
Initial process
KDP
LN
Phonon-polariton
Soft mode

ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

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title = "Femtosecond time-resolved spectroscopic study of the slow dynamics in the structural phase transition",

abstract = "The femtosecond time-resolved spectroscopy has been applied for the study of the B2 soft mode in the phase transition of the hydrogen-bonded ferroelectric KDP. An extremely early stage of the excitation of the B2 soft mode in KDP reveals newly existence of the mechanical forming process of the soft modes over the limit of the Debye model. The method shows its high resolution on the wave vector in the study of the A1 phonon-polariton dispersion relation of LiNbO3.",

keywords = "Dispersion relation, Heterodyne detection, Impulsive stimulated Raman scattering, Initial process, KDP, LN, Phonon-polariton, Soft mode",

author = "Toshirou Yagi and June Kano and Takeo Watanuki and Yuhji Tsujimi and Nelson, {Keith A.}",

year = "2003",

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language = "English",

volume = "42",

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T1 - Femtosecond time-resolved spectroscopic study of the slow dynamics in the structural phase transition

AU - Yagi, Toshirou

AU - Kano, June

AU - Watanuki, Takeo

AU - Tsujimi, Yuhji

AU - Nelson, Keith A.

PY - 2003/4/1

Y1 - 2003/4/1

N2 - The femtosecond time-resolved spectroscopy has been applied for the study of the B2 soft mode in the phase transition of the hydrogen-bonded ferroelectric KDP. An extremely early stage of the excitation of the B2 soft mode in KDP reveals newly existence of the mechanical forming process of the soft modes over the limit of the Debye model. The method shows its high resolution on the wave vector in the study of the A1 phonon-polariton dispersion relation of LiNbO3.

AB - The femtosecond time-resolved spectroscopy has been applied for the study of the B2 soft mode in the phase transition of the hydrogen-bonded ferroelectric KDP. An extremely early stage of the excitation of the B2 soft mode in KDP reveals newly existence of the mechanical forming process of the soft modes over the limit of the Debye model. The method shows its high resolution on the wave vector in the study of the A1 phonon-polariton dispersion relation of LiNbO3.

KW - Dispersion relation

KW - Heterodyne detection

KW - Impulsive stimulated Raman scattering

KW - Initial process

KW - KDP

KW - LN

KW - Phonon-polariton

KW - Soft mode

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M3 - Article

AN - SCOPUS:2442471528

SN - 0374-4884

VL - 42

SP - S1012-S1016

JO - Journal of the Korean Physical Society

JF - Journal of the Korean Physical Society

IS - SUPPL.

ER -

Femtosecond time-resolved spectroscopic study of the slow dynamics in the structural phase transition

Abstract

Keywords

ASJC Scopus subject areas

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