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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 27  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
US 2023-11-27
Shizuoka Shizuoka University Improvement of in-plane orientation and piezoelectricity of c-axis parallel oriented ZnO films and their application to thickness shear-mode resonators -- Investigation on limiting of particle irradiation to substrate during sputtering deposition --
Naoki Tomiyama, Shinji Takayanagi (Doshisha Univ.), Yanagitani Takahiko (Waseda Univ.) US2023-49
ZnO films with the crystalline c-axis parallel to the substrate can excite shear waves and are suitable for thickness-sh... [more] US2023-49
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-20
Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)
Elastic constant tensors cijE of (0001) ScxAl1-xN thin films (x=0-0.63) measured by Brillouin light scattering method
Hiroki Uchida (Waseda Univ.), Hayato Ichihashi (Doshisya Univ.), Masashi Suzuki (Yamanashi Univ.), Shinji Takayanagi, Mami Matsukawa (Doshisya Univ.), Takahiko Yanagitani (Waseda Univ.) EMT2023-20 MW2023-38 OPE2023-20 EST2023-20 MWPTHz2023-16
Large piezoelectricity and high Q factor in ScAlN film is attractive for RF filter applications. . Elastic constant tens... [more] EMT2023-20 MW2023-38 OPE2023-20 EST2023-20 MWPTHz2023-16
US 2020-11-05
Aichi   Effect of negative ion bombardment increased in low-pressure sputtering deposition on crystallinity and piezoelectric property of ScAlN thin film
Takumi Tominaga, Shinji Takayanagi (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.) US2020-43
Since the ScAlN film has much higher piezoelectric response than the AlN film, it is expected to be applied to BAW devic... [more] US2020-43
US 2020-09-28
Online Online Effect of negative ions generated from ScAl sputtering targets on kt2 and crystal orientation of ScAlN thin films
Rui Kihara (Waseda Univ.), Shinji Takayanagi (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.) US2020-36
ScAlN thin films with large electromechanical coupling coefficient have been attracting attention for the application to... [more] US2020-36
US 2019-07-29
Hokkaido   Fabrication of thickness-shear mode resonators with ZnO film and their frequency characteristics of liquid loading
Masaya Miyata, Shinji Takayanagi, Mami Matsukawa (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.) US2019-34
Thickness-shear mode resonators are applied to sensors to measure liquid viscosity and antigen-antibody reaction, becaus... [more] US2019-34
US 2018-11-02
Aichi   Deposition of c-axis parallel oriented ZnO film on entire surface of silica glass pipe
Yuta Takamura (Doshisha Univ.), Shinji Takayanagi (Nagoya Inst. Tech.), Mami Matsukawa (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.) US2018-68
SH type SAW sensor can measure the viscosity, conductivity and permittivity of a liquid because it propagate to liquid /... [more] US2018-68
US 2018-10-04
Miyagi   c-Axis tilted ScAlN film shear mode resonators for detection of biomolecular interactions in liquid
Hana Yazaki, Takumi Soutome, Rei Karasawa (Waseda Univ.), Shinji Takayanagi (Nagoya Inst. Tech.), Kenji Yoshida (Chiba Univ.), TakahikoYanagitani (Waseda Univ.) US2018-54
Miniature and highly sensitive biosensors are required. c-Axis tilted ScAlN film resonator is suitable for sensing biomo... [more] US2018-54
US 2018-10-04
Miyagi   The influence of negative ions generation on various ScAl alloy sputtering targets to ScAlN film properties -- Comparison of EB-melted, arc-melted and hot press sintered ScAl alloy targets --
Rei Karasawa (Waseda Univ.), Shinji Takayanagi (Nagoya Inst. Tech.), Yuka Endo (Waseda Univ.), Makoto Imasaka, Keisuke Morisaka, Yu Suzuki (Furuya Metal Co., Ltd.), Takahiko Yanagitani (Waseda Univ.) US2018-55
 [more] US2018-55
Osaka   [Poster Presentation] Evaluation study on inverse piezoelectric effect of cortical bone in the MHz range
Taiki Makino, Shunki Mori, Shoko Nakanishi, Daisuke Koyama (Doshisha Univ.), Shinji Takayanagi (Nagoya Inst. Tech.;), Mami Matsukawa (Doshisha Univ.) US2017-91
The piezoelectricity is one expected mechanism to promote the healing of bone fracture by ultrasonic irradiation in the ... [more] US2017-91
US 2017-07-27
Okayama   Rapid measurement of longitudinal and shear wave velocities by Brillouin scattering from coherent induced phonons
Masahiko Kawabe (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.), Shibagaki Yoshiaki (Doshisha Univ.), Shinji Takayanagi (Nagoya Inst. of Tech.), Masashi Suzuki (Waseda Univ.), Mami Matsukawa (Doshisha Univ.) US2017-44
Brillouin scattering method enables to evaluate thin films or transparent materials in the range from several hundred MH... [more] US2017-44
Kyoto Doshisha Univ. [Poster Presentation] A study on the piezoelectricity of collagen in bone in the MHz range
Shunki Mori, Sayaka Matsukawa, Hitomi Teraki, Koki Takano, Yoshitaka Sakata (Doshisha Univ.), Shinji Takayanagi (Nagoya Inst.Tech.), Mami Matsukawa (Doshisha Univ.) US2016-80
 [more] US2016-80
US 2016-06-10
Toyama Gofuku Campus, University of Toyama Induced electric potential in cartilage by ultrasound irradiation
Shunki Mori, Sayaka Matsukawa, Yoshitaka Sakata (Doshisha Univ.), Isao Mano (Oyo electric), Shinji Takayanagi (Nagoya Inst. Tech.), Mami Matsukawa (Doshisha Univ.) US2016-25
In order to understand the mechanism of ultrasonic bone healing, we have experimentally studied the ultrasonically induc... [more] US2016-25
Osaka Kansai University, Centenary Memorial Hall Investigation of electroacoustic transformation device -Thermophone- for radiating broadband ultrasound
Takuya Nishioka, Shinji Takayanagi, Olivier Burbuiere, Mami Matsukawa (Doshisha Univ.), Takaaki Asada (Murata Manufacturing Co., Ltd.), Shizuko Hiryu (Doshisha Univ.) US2015-102 EA2015-65
We investigated the fundamental characteristics of the electric-sound transduction device -thermophone-. A thermophone g... [more] US2015-102 EA2015-65
pp.105-110(US), pp.63-68(EA)
US 2015-10-09
Ishikawa Kanazawa Institute of Technology Brillouin scattering measurement of coherent phonons induced by ScAlN piezoelectric thin film
Eunhye Cho, Masahiko Kawabe, Shinji Takayanagi (Doshisha Univ.), Masashi Suzuki, Takahiko Yanagitani (Waseda Univ.), Mami Matsukawa (Doshisha Univ.) US2015-63
Brillouin scattering spectroscopy allows to investigate a shift frequency of the incident light in GHz range, which occu... [more] US2015-63
US 2015-09-03
Hokkaido   Investigation of multiple shear wave roundtrips liquid sensor by c-axis parallel oriented ZnO film/silica glass pipe structure
Shoko Hiyama (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.), Shinji Takayanagi, Mami Matsukawa (Doshisha Univ.) US2015-49
Shear horizontal (SH) waves with in-plane displacement can propagate at liquid/solid interface with the small energy lea... [more] US2015-49
US 2015-09-03
Hokkaido   Growth of c-axis parallel oriented ZnO film by RF magnetron sputtering at low gas pressure and its application in SAW and Lamb wave devices
Shinji Takayanagi (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.), Jean-Claude Gerbedoen, Abdelkrim Talbi (IEMN), Mami Matsukawa (Doshisha Univ.), Philippe Pernod (IEMN) US2015-50
ZnO piezoelectric films are widely used for acoustic wave devices. In most cases the (0001) oriented ZnO films were used... [more] US2015-50
US 2015-09-03
Hokkaido   Electromechanical coupling coefficients of c-axis parallel oriented ScAlN films grown by ion-beam assisted RF magnetron sputtering
Mineki Oka, Shinji Takayanagi (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.), Mami Matsukawa (Doshisha Univ.) US2015-51
Recently, Akiyama et al. found that doping scandium into AlN film increases the number of piezoelectric coefficient d33 ... [more] US2015-51
US 2015-09-03
Hokkaido   Elastic constant tensors of (0001) ScxAl1-xN films (x=0-0.63) determined by resonant method and Brillouin scattering method
Takahiko Yanagitani (Waseda Univ.), Hayato Ichihashi (Doshisha Univ.), Masashi Suzuki (Waseda Univ.), Shinji Takayanagi, Mami Matsukawa (Doshisha Univ.) US2015-52
 [more] US2015-52
US 2015-09-04
Hokkaido   Measurement of wave velocity in cortical bone by micro-Brillouin scattering technique
Yuki Imoto, Shinji Takayanagi (Doshisha Univ.), Mitsuru Saito, Keishi Marumo (Jikei Univ.), Mami Matsukawa (Doshisha Univ.) US2015-53
Bone is mainly composed of collagen and minerals such as hydroxyapatite (HAp). In order to evaluate bone strength, it is... [more] US2015-53
US 2015-06-19
Kumamoto Kumamoto University Simultaneous measurement of acoustic wave velocity and ordinary refractive index of c-axis oriented films by Brillouin scattering technique
Shota Tomita (Doshisha Univ), Takahiko Yanagitani, Masashi Suzuki (Waseda Univ), Shinji Takayanagi, Mami Matsukawa (Doshisha Univ) US2015-20
A Brillouin scattering technique for the simultaneous measurement of acoustic wave velocities and refractive indices is ... [more] US2015-20
 Results 1 - 20 of 27  /  [Next]  
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