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J-GLOBAL ID:200901003392519197
Update date: Mar. 03, 2025 takahiko yanagitani
ヤナギタニ タカヒコ | takahiko yanagitani
- S. Kinoshita, R. Karasawa, Y. Shimano, M. Matsumura, T. Yanagitani. Zig-zag ScAlN 12-layer for shear mode BAW transformer application in rectenna. IEEE Trans. Ultrason., Ferroelectr., Freq. Contr. 2025. in press
- Y. Shimano, Motoshi Suzuki, T. Yanagitani. k332 Estimation of thin films via piezoelectric stiffening using ultrasonic reflectometry,. IEEE Open J.Ultrason., Ferroelectr., Freq. Contr. 2025. 5. 1-5
- S. Kinoshita, H. Kishi, K. Izumi, T. Yanagitani. GHz voltage amplification in stack of piezoelectric ScAlN and non-piezoelectric SiO2 layers. Appl. Phys. Express. 2024. 17. 116501
- K-H Sano, Y. Ono, R. Tobinaga, Y. Imamura, Y. Hayashi, T. Yanagitani. Atmospheric gas-phase catalyst etching of SiO2 for deep microfabrication using HF gas and patterned photoresist,. ACS Appl. Mater. Interfaces. 2024. 16. 17. 22657-22664
- J. Jia, D. Kishi, N. Bai, T. Okajima, F. Lesari, T. Yanagitani. Enhanced electromechanical coupling from cation local structures in (Mg,Zn)O. Phys. Rev. B. 2024. 134101
- S. Tokai, T. Yanagitani. Full-epitaxial ScAlN and MgZnO solidly mounted resonators based on epitaxial acoustic Bragg reflector. Appl. Phys. Lett. 2024. 124,. 082901
- S. Tokai, T. Yanagitani. Epitaxial ZnO piezoelectric layer on SiO2/Mo solidly mounted resonator fabricated using epitaxial Au sacrificial layer. Appl. Phys. Express. 2024. 17. 025501
- K. Shiraiwa, T. Yanagitani. Bragg reflector type shear mode BAW transformer based on c-axis zig-zag ScAlN multilayer for rectifying antenna. IEEE Sens. Lett. 2023. 7. 11. 2504404
- Y. Koike, Y. Sato, T. Yanagitani. GHz fingerprint acoustic imaging by mechanically scanning a soft conductive probe on epitaxial PbTiO3 films. IEEE Sens. Lett. 2023. 7. 10. 2504004
- Naoki Tomiyama, Taiki Sato, Shinji Takayanagi, Takahiko Yanagitani. Improvement of Shear-Mode Electromechanical Coupling of c-Axis Parallel Oriented ZnO Film by Limiting Particle Irradiation Direction During RF Magnetron Sputtering. Proc. 2023 IEEE Ultrason. Symp. 2023
- Ko-Hei Sano, Yoshitaka Ono, Yutaka Imamura, Yasuo Hayashi, Takahiko Yanagitani. Simple microfabrication process for quartz crystal using HF gas and catalytic materials. Proc 2023 IEEE Ultrason. Symp. 2023
- Takumi Tominaga, Shinji Takayanagi, Takahiko Yanagitani. Theoretical investigation of Rayleigh surface acoustic wave propagation characteristics in c-axis-zigzag ScAlN film/silicon substrate structure. J. Appl. Phys. 2023. 133. 204502-1-204502-10
- T. Yanagitani, N. Ishii, K. Kondo, M. Suzuki. "A method for extracting sole mechanical properties of Bragg reflector by GHz ultrasonic pulse-echo technique,". Appl. Phys. Lett.,. 2022. 121. 18. 182901
- K. Nakamura, Y. Koike, Y. Sato, T. Yanagitani. Giga-hertz ultrasonic reflectometry for fingerprint imaging using epitaxial PbTiO4 transducers,. Appl. Phys. Lett.,. 2022. 121. 17. 172903
- K Nakamura, S Kudo, J Jia, and T Yanagitani,. Improvement of electromechanical coupling coefficient of piezoelectric LiNbO3 by doping praseodymium. Proc. IEEE Ultrason. Symp. 2022. 1-4
- Y Shimano, H Kishi, S Kudo, and T Yanagitani,. Quasi-shear mode electromechanical coupling coefficient of c-axis tilted MgZnO thin films. Proc. IEEE Ultrason. Symp. 2022. 1-4
- N Ishii, and T Yanagitani,. Polarization inverted two layer ScAlN thin film resonator fabricated by applying external electric field. Proc. IEEE Ultrason. Symp. 2022. 1-4
- Y Shimano, S Takayanagi, and T Yanagitani,. Growth of O-polar and Zn-polar ferroelectric MgZnO thin films controlled by sputtering geometry. Proc. IEEE Ultrason. Symp. 2022. 1-4
- S Li, J Jia, N Iwata, and T Yanagitani,. Experimental and theoretical investigations of enhanced electromechanical properties in YbAlN and YbGaN films. Proc. IEEE Ultrason. Symp. 2022. 1-4
- Y Koike, R Seki, and T Yanagitani,. A piezoelectric gyroscope with tilted c-axis ScAlN thin-films. Proc. IEEE Ultrason. Symp. 2022. 1-4
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