Faculty Interest Inventory
Office for Research
Sun, 2010-06-13 02:05 — yamagm
Physics, Applied Physics & Astronomy
Yamaguchi’s accomplishments include the fundamental understanding of structural evolution in partially ordered crystals, glasses, and supercooled liquids using time-domain and frequency domain spectroscopy.
Specific examples are discovery of a new acoustic anomaly in the phase transition of quantum parelectric crystals (the dielectic constant increases when the temperature decreases); measurements of elastic stiffness of MOCVD (Metal Organic Chemical Vapor Deposition) grown lattice mismatched nitride semiconductors; manipulation of acoustic phonons using impulsive stimulated Brillouin light scattering; polariton based THz spectroscopy for study of large-scale fluctuations of ferroelectric nanodomains; and the THz acoustic spectroscopy for the study of elastic modulus constant of amorphous thin films.
THz spectroscopy of advanced materials
THz science and technology.
Structural and electronic dynamics in condensed matter
Ph.D. (Hokkaido University)
M. Yamaguchi, B. J. Baer, A. K., M. McIntire, C.Flannery, and E.L.Chronister, An impulsive stimulated scattering of surface acoustic waves under high pressure, J. Luminescence, 107, 359-368, (2004). M. Yamaguchi, M.J. McIntire, and E.L.Chronister, Photon Echo Study of Two-Level Systems in Polyisobutylene under High Pressure, J. Chem. Phys. 116, 1737 (2002). M. Yamaguchi, T. Yagi, Y. Tsujimi, H. Hasebe, R. Wang, and M. Ito, Light scattering study of the broad doublet in isotopically exchanged SrTi18O3, Phys. Rev. B. 65, 172102 (2002). L. Zhao, B.J. Baer, M. Yamaguchi, H.T. Than, J.Yarmoff, E.L.Chronister, Impulsive Stimulated Scattering of Surface Acoustic Waves on Metal and Semiconductor Crystal Surfaces, J. Chem. Phys. 114, 4989-4997 (2001).
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