Search Results - "ODAGAWA, Hiroyuki"

Polarity-inverted ScAlN film growth by ion beam irradiation and application to overtone acoustic wave (000-1)/(0001) film resonators by Suzuki, Masashi, Yanagitani, Takahiko, Odagawa, Hiroyuki

“…Polarity inversion in wurtzite film is generally achieved by the epitaxial growth on a specific under-layer. We demonstrate polarity inversion of c-axis…”
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Polarization Property Associated with Surface Plasmon Resonance in a Palladium Thin-Film Coated Aluminum Grating in a Conical Mounting and Its Application to Hydrogen Gas Detection by Matsuda, Toyonori, Tsunoda, Isao, Koba, Shinichiro, Oshiro, Yu, Odagawa, Hiroyuki

“…We have investigated a polarization property of the (specularly) reflected light from an aluminum grating, coated with a palladium (Pd) thin-film on its…”
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Investigation into Ethanol Concentration Changes of Ethanol–Water Solution Using Polarization Property Associated with Surface Plasmon Resonance in Aluminum Grating in Conical Mounting by Matsuda, Toyonori, Odagawa, Hiroyuki, Nagata, Isao Tsunoda,Masanori, Kawakita, Takao

“…We experimentally investigated the changes in the ethanol concentration of an ethanol–water solution using a polarization property of the (specularly)…”
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Quantitative thickness measurement of polarity-inverted piezoelectric thin-film layer by scanning nonlinear dielectric microscopy by Odagawa, Hiroyuki, Terada, Koshiro, Tanaka, Yohei, Nishikawa, Hiroaki, Yanagitani, Takahiko, Cho, Yasuo

“…A quantitative measurement method for a polarity-inverted layer in ferroelectric or piezoelectric thin film is proposed. It is performed nondestructively by…”
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Method for measuring polarity-inverted layered structure in dielectric thin films using scanning nonlinear dielectric microscopy by Odagawa, Hiroyuki, Terada, Koshiro, Nishikawa, Hiroaki, Yanagitani, Takahiko, Cho, Yasuo

“…A method for obtaining a depth profile of polarity inverted structure in a layered ferroelectric and/or piezoelectric thin film is proposed. It is performed by…”
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Theoretical and Experimental Study on Nanoscale Ferroelectric Domain Measurement Using Scanning Nonlinear Dielectric Microscopy by Hiroyuki Odagawa, Hiroyuki Odagawa, Yasuo Cho, Yasuo Cho

“…We describe theoretical and experimental studies for nano-scale ferroelectric domain measurements using scanning nonlinear dielectric microscopy (SNDM). We…”
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Segregation during the vertical Bridgman growth of lead magnesium niobate–lead titanate single crystals by Zawilski, Kevin T, Custodio, M.Claudia C, DeMattei, Robert C, Lee, Sang-Goo, Monteiro, Ralph G, Odagawa, Hiroyuki, Feigelson, Robert S

“…Transparent, high-quality lead magnesium niobate–lead titanate, (1− x)PbMg 1/3Nb 2/3O 3– xPbTiO 3, or PMNT, crystals were grown using the vertical Bridgman…”
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Measurement of the Ferroelectric Domain Distributions Using Nonlinear Dielectric Response and Piezoelectric Response by Kaori Matsuura, Kaori Matsuura, Yasuo Cho, Yasuo Cho, Hiroyuki Odagawa, Hiroyuki Odagawa

“…Scanning nonlinear dielectric microscopy (SNDM) is the first successful purely electrical method for observing the ferroelectric domain distributions. At…”
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Measuring ferroelectric polarization component parallel to the surface by scanning nonlinear dielectric microscopy by Odagawa, Hiroyuki, Cho, Yasuo

“…A scanning nonlinear dielectric microscope (SNDM) probe, called the ε311-type probe, and a system to measure the ferroelectric polarization component parallel…”
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Quantitative Measurement of Linear and Nonlinear Dielectric Characteristics Using Scanning Nonlinear Dielectric Microscopy by Yasuo Cho, Yasuo Cho, Satoshi Kazuta, Satoshi Kazuta, Koya Ohara, Koya Ohara, Hiroyuki Odagawa, Hiroyuki Odagawa

“…The theory for quantitative measurement of linear and nonlinear dielectric constants using scanning nonlinear dielectric microscopy is explained in this paper…”
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Determination of the Polarities of ZnO Thin Films on Polar and Nonpolar Substrates Using Scanning Nonlinear Dielectric Microscopy by Satoshi Kazuta, Satoshi Kazuta, Yasuo Cho, Yasuo Cho, Hiroyuki Odagawa, Hiroyuki Odagawa, Michio Kadota, Michio Kadota

“…Using scanning nonlinear dielectric microscopy (SNDM) which we developed, we determined the polarities of ZnO thin films on various substrates including polar…”
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Simultaneous Observation of Ferroelectric Domain Patterns by Scanning Nonlinear Dielectric Microscope and Surface Morphology by Atomic Force Microscope by Hiroyuki Odagawa, Hiroyuki Odagawa, Yasuo Cho, Yasuo Cho, Hiroshi Funakubo, Hiroshi Funakubo, Kuniharu Nagashima, Kuniharu Nagashima

“…A new type of scanning nonlinear dielectric microscope (SNDM), with an additional function of simultaneous observations of surface morphology, has been…”
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Three-Dimensional Measurement for Absolute Value of Polarization Angle by Scanning Nonlinear Dielectric Microscopy by Sugihara, Tomoyuki, Odagawa, Hiroyuki, Cho, Yasuo

“…A technique for measuring the absolute value of ferroelectric polarization angles by scanning nonlinear dielectric microscopy (SNDM) is proposed and…”
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Single crystal growth of KNbO3 and application to surface acoustic wave devices by YAMANOUCHI, Kazuhiko, WAGATSUMA, Yasuo, ODAGAWA, Hiroyuki, CHO, Yasuo

“…Potassium niobate (KNbO3) has large piezoelectric constants. Surface acoustic wave (SAW) substrates with high couplings are very important for wide-band…”
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Research of Super-High Electromechanical Coupling Surface Acoustic Wave Substrates by Yamanouchi, Kazuhiko, Odagawa, Hiroyuki

“…The properties of surface acoustic wave (SAW) devices mainly depend on the choice of piezoelectric substrate materials. The important properties required for…”
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New Functions of Scanning Nonlinear Dielectric Microscopy –Higher-Order Measurement and Vertical Resolution by Yasuo Cho, Yasuo Cho, Koya Ohara, Koya Ohara, Atsushi Koike, Atsushi Koike, Hiroyuki Odagawa, Hiroyuki Odagawa

“…We investigated new features (functions) of scanning nonlinear dielectric microscopy (SNDM), namely, higher-order nonlinear dielectric imaging and the very…”
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Theory of scanning nonlinear dielectric microscopy and application to quantitative evaluation by Cho, Yasuo, Ohara, Koya, Kazuta, Satoshi, Odagawa, Hiroyuki

“…A theory for scanning nonlinear dielectric microscopy (SNDM) and its application to the quantitative evaluation of the linear and nonlinear dielectric…”
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Superhigh Electromechanical Coupling and Zero-Temperature Characteristics of KNbO 3 and Wide Band Filter Applications by Hiroyuki Odagawa, Hiroyuki Odagawa, Kazuhiko Yamanouchi, Kazuhiko Yamanouchi

“…In this paper, a superhigh electromechanical coupling surface acoustic wave (SAW) propagating on a potassium niobate (KNbO 3 ) substrate is described and its…”
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10 GHz-Range Surface Acoustic Wave Low Loss Filter Measured at Low Temperature by Kazuhiko Yamanouchi, Kazuhiko Yamanouchi, Hideyuki Nakagawa, Hideyuki Nakagawa, Jamil Ahmad Qureshi, Jamil Ahmad Qureshi, Hiroyuki Odagawa, Hiroyuki Odagawa

“…The 10 GHz-range surface acoustic wave (SAW) is of great importance in the field of physical acoustics and application of SAW devices, for example, in mobile…”
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Observation of Ferroelectric Polarization in KNbO 3 Thin Films and Surface Acoustic Wave Properties by Hiroyuki Odagawa, Hiroyuki Odagawa, Kenji Kotani, Kenji Kotani, Yasuo Cho, Yasuo Cho, Kazuhiko Yamanouchi, Kazuhiko Yamanouchi

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