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Masashi Yamaguchi
Assistant Professor of Physics
Education
B.S., Applied Physics, Hokkaido University, 1986
M.S., Applied Physics, Hokkaido University, 1988
Ph.D., Applied Physics, Hokkaido University, 1991
Career Highlights:
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 dielectric 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.
Research Areas:
Structural and electronic dynamics in condensed matter, THz spectroscopy of
advanced materials and THz science and technology.
Select Publications:
M. Yamaguchi, B. J. Baer, A. Krukau, 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 and E.L. Chronister, "Impulsive Stimulated Scattering
of Surface Acoustic Waves on Metal and Semiconductor Crystal Surfaces," J. Chem.
Phys. 114, 4989-4997 (2001).
M. Yamaguchi, T. Yagi, R. Wang, and M.Ito,
"Light Scattering Study of Ferroelectric Phase Transition in SrTi18O3," Phys. Rev.
B. 63, 172102 (2001).
M. Yamaguchi, T. Yagi, T. Sota, T. Deguchi, K.
Shimada and S. Nakamura, "Brillouin Scattering Study of Bulk GaN," J. Appl. Phys.
85, 8502-8504 (1999).
T. Deguchi, D. Ichiryu, K. Toshikawa, K. Sekiguchi,
T. Sota, R. Matsuo., T. Azuhata, M. Yamaguchi, T. Yagi, S. Chichibu and S.
Nakamura, "Structural and Vibrational Properties of GaN," J. Appl. Phys. 86,
1860-1866 (1999).
M. Yamaguchi and T. Yagi, "Anharmonicity of
Low-frequency Vibrations in a-GeS2 Studied by Light Scattering," Euro. Phys.
Lett. 47, 462-467 (1999).
Contact Information:
Masashi Yamaguchi
Rensselaer Polytechnic Institute
110 8th Street
Troy, NY 12180-3590 USA
(518) 276-3092
yamagm@rpi.edu
Personal Web Page: http://www.rpi.edu/~yamagm
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