Search Results - "Aizawa, Koji"

High-intensity airborne sound generated by irradiation of nanosecond laser pulse to water-immersed optical absorber by Miyazaki, Kota, Aizawa, Koji

“…A high-intensity and small-size laser-induced airborne sound source was developed for application to non-contact and non-destructive testing. A laser target…”
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Impact of HfO2 buffer layers on data retention characteristics of ferroelectric-gate field-effect transistors by Aizawa, Koji, Park, Byung-Eun, Kawashima, Yoshihito, Takahashi, Kazuhiro, Ishiwara, Hiroshi

“…Electrical properties of the p-channel metal-ferroelectric-insulator-silicon field-effect transistors (MFISFETs) using Pt∕SrBi2Ta2O9(SBT)∕HfO2∕Si and…”
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Effect of Eu/Sr Ratios on Ferroelectric and Fluorescent Properties of Eu-Substituted Strontium Bismuth Tantalate Films by Aizawa, Koji, Ohtani, Yusuke

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Effect of a cylindrical waveguide on extracting a high-intensity pressure pulse and on irradiating it to adherent cells by Aizawa, Koji, Kobayashi, Takumi

“…To prevent the breaking of the culture dish from the impact of bubble growth around a pressure source, we experimentally investigated the effect of doubly…”
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Topics at the meetings of the Japanese Society of Hygienics during the past 25 years by Aizawa, Koji

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Estimation methodology for amplitude of second-order harmonic in nonlinear surface acoustic wave measured by optical diffraction method by Tokunaga, Yoshiaki, Ishimaru, Yukihiro, Yoshimura, Masatoshi, Aizawa, Koji, Minamide, Akiyuki

“…An estimation methodology for amplitude from the fundamental to fourth-order harmonic composed of nonlinear surface acoustic waves on a LiNbO 3 substrate with…”
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Impact of face-to-face annealing in preparation of sol-gel-derived SrBi2Ta2O9 thin films by Aizawa, Koji, Tokumitsu, Eisuke, Okamoto, Kojiro, Ishiwara, Hiroshi

“…An annealing method for preparing SrBi2Ta2O9 (SBT) thin films, a face-to-face annealing method, is proposed, and its effectiveness is demonstrated. In this…”
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Praseodymium-Substituted Strontium Bismuth Tantalate Films with Saturated Remanent Polarization at 1 V by Aizawa, Koji, Ishiwara, Hiroshi

“…Sr-deficient and praseodymium-substituted SrBi2Ta2O9 (SPrBT) films with a saturated remanent polarization of as low as 1 V were prepared on Pt/Ti/SiO2/Si…”
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Correlation between Ferroelectricity and Grain Structures of Face-to-Face Annealed Strontium Bismuth Tantalate Thin Films by Aizawa, Koji, Ishiwara, Hiroshi

“…The correlation between ferroelectricity and grain structures of sol-gel-derived strontium bismuth tantalate (SBT) thin films prepared by face-to-face…”
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Fabrication and characterization of mfsfet arrays using Al/BaMgF4/Si(111) structures by Aizawa, Koji, Ishiwara, Hiroshi

“…Metal-ferroelectric-semiconductor field-effect-transistor (MFSFET) arrays were fabricated using Al/BaMgF 4 /Si(111) structures, for the first time, and their…”
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Electrical Properties of Ferroelectric BaMgF 4 Films on Si Substrates by Koji Aizawa, Koji Aizawa, Hiroshi Ishiwara, Hiroshi Ishiwara

“…Electrical properties of (120)-oriented BaMgF 4 films grown on n-Si(111) substrates have been investigated. It has been found that capacitance-voltage ( C - V…”
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Fabrication and characterization of metal-ferroelectrics-semiconductor field effect transistors using epitaxial bamgf4 films grown on si(111) substrates by Aizawa, Koji, Okamoto, Tomoyuki, Tokumitsu, Eisuke, Ishihwara, Hiroshi

“…Metal-ferroelectrics-semiconductor field effect transistors (MFS FETs) were fabricated using ferroelectric BaMgF 4 (BMF) films epitaxially grown on Si(111)…”
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Electrical properties of ferroelectric BaMgF4 films on Si substrates by AIZAWA, K, ISHIWARA, H

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Growth and crystallinity of ferroelectric BaMgF4 films on (111)-oriented Pt films by AIZAWA, K, MORIWAKI, M, ICHIKI, T, TOKUMITSU, E, ISHIWARA, H

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Ferroelectric and Luminescent Properties of Eu-Doped SrBi 2 Ta 2 O 9 Films by Aizawa, Koji, Ohtani, Yusuke

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Reduction of Pyrochlore Phase and Pronounced Improvement of Ferroelectric Properties in Ultrathin SrBi 2 Ta 2 O 9 Films Derived from Bi-Rich Sol–Gel Solution by Aizawa, Koji, Ishiwara, Hiroshi

“…The crystallinity and ferroelectric properties of sol–gel-derived sub-100-nm-thick SrBi 2 Ta 2 O 9 (SBT) films with different Bi contents were investigated…”
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Optimum Ferroelectric Film Thickness in Metal–Ferroelectric–Insulator–Semiconductor Structures Composed of Pt, (Bi,La) 4 Ti 3 O 12 , HfO 2 , and Si by Takahashi, Kazuhiro, Aizawa, Koji, Ishiwara, Hiroshi

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Fabrication and Characterization of ZnO:Al/Sr 0.8 Bi 2.2 Ta 2 O 9 /Y 2 O 3 :Eu Structures for Ferroelectric-Electroluminescent Devices by Aizawa, Koji, Inagaki, Hiroyuki, Takatsuka, Yushi, Hoko, Koichi, Otani, Yusuke, Tokunaga, Yoshiaki

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Evaluation of FerroelectricSilicon Interface State Density in Ferroelectric-Gate Transistors Using a Charge Pumping Method by Aizawa, Koji, Ishiwara, Hiroshi

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Ferroelectric Properties of Pt/Pb 5 Ge 3 O 11 /Pt and Pt/Pb 5 Ge 3 O 11 /HfO 2 /Si Structures by Ohara, Shuichiro, Aizawa, Koji, Ishiwara, Hiroshi

“…The ferroelectric properties of metal–ferroelectric–metal (MFM) capacitors with a Pt/Pb 5 Ge 3 O 11 (PGO)/Pt structure and…”
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