Hiroji Ohigashi

发表

Piezoelectric and ferroelectric properties of P (VDF-TrFE) copolymers and their application to ultrasonic transducers

H. Ohigashi, Hiroji Ohigashi, Keiko Koga, 1984 .

Piezoelectricity and related properties of vinylidene fluoride and trifluoroethylene copolymers

H. Ohigashi, Hiroji Ohigashi, Keiko Koga, 1986 .

Formation of ‘‘single crystalline films’’ of ferroelectric copolymers of vinylidene fluoride and trifluoroethylene

Kenji Omote, H. Ohigashi, Hiroji Ohigashi, 1995 .

Light Modulation by Ultrasonic Waves from Piezoelectric Polyvinylidene Fluoride Films

Hiroji Ohigashi, Reiko Shigenari, Mitsuru Yokota, 1975 .

Electromechanical properties of polarized polyvinylidene fluoride films as studied by the piezoelectric resonance method

H. Ohigashi, Hiroji Ohigashi, 1976 .

A Wide-Band Polymer Ultrasonic Transducer Using Acoustic Impedance Matching Technique

Hiroji Ohigashi, Kuniko Kimura, Kazuyuki Yoneya, 1988 .

Ferroelectric Copolymers of Vinylidenefluoride and Trifluoroethylene with a Large Electromechanical Coupling Factor

H. Ohigashi, Hiroji Ohigashi, Keiko Koga, 1982 .

The possibility of formation of large ferroelectric domains in a copolymer of vinylidene fluoride and trifluoroethylene

Guo-Rong Li, H. Ohigashi, Hiroji Ohigashi, 1992 .

Analysis of Frequency Response Characteristics of Polymer Ultrasonic Transducers

Hiroji Ohigashi, Miyo Suzuki, Toshiharu Nakanishi, 1988 .

Annealing effects on the Curie transition temperature and melting temperature of poly(vinylidene fluoride/trifluoroethylene) single crystalline films

H. Ohigashi, Hiroji Ohigashi, M. A. Barique, 2001 .

Temperature dependence of elastic, dielectric, and piezoelectric properties of “single crystalline’’ films of vinylidene fluoride trifluoroethylene copolymer

Kenji Omote, H. Ohigashi, Hiroji Ohigashi, 1997 .

Improvement of piezoelectric properties of poly(vinylidene fluoride) and its copolymers by crystallization under high pressures

T. Hattori, H. Ohigashi, Hiroji Ohigashi, 1995 .

Generation of very high‐frequency ultrasonic waves using thin films of vinylidene fluoride‐trifluoroethylene copolymer

K. Kimura, H. Ohigashi, Hiroji Ohigashi, 1987 .

Ultrasonic imaging using air-coupled P(VDF/TrFE) transducers at 2 MHz.

Sadayuki Takahashi, Hiroji Ohigashi, 2009, Ultrasonics.

Temperature Dependence of Shear Piezoelectric Properties of Poly(vinylidene fluoride) Studied by Piezoelectric Resonance Method

Kenji Omote, H. Ohigashi, Hiroji Ohigashi, 1996 .

Piezoelectric properties of ferroelectric polymers at low temperatures

Hiroji Ohigashi, G. R. Li, S. Takahashi, 1990, IEEE Symposium on Ultrasonics.