Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Tomohiko Nagata"'
Autor:
Yoshihiko Kurui, Fumitaka Ishibashi, Kei Masunishi, Tomohiro Saito, Tomohiko Nagata, Hiroaki Yamazaki, Naofumi Nakamura
Publikováno v:
Extended Abstracts of the 2020 International Conference on Solid State Devices and Materials.
Autor:
Shiori Kaji, Shotaro Baba, Akiko Yuzawa, Tomio Ono, Kazuaki Okamoto, Hideaki Fukuzawa, Yoshihiro Higashi, Michiko Hara, Tomohiko Nagata, Kenji Otsu, Akio Hori, Yoshihiko Fuji, Kei Masunishi
Publikováno v:
Electronics and Communications in Japan. 102:48-54
Autor:
Akiko Yuzawa, Tomohiko Nagata, Yoshihiro Higashi, Yoshihiko Fuji, Keiko Okamoto, Shotaro Baba, Michiko Hara, Shiori Kaji
Publikováno v:
IEEE Transactions on Magnetics. 54:1-4
To realize highly sensitive analog sensor using magnetic tunnel junctions (MTJs), there is a demand for MgO-MTJs with a high signal-to-noise ratio. Thermal annealing is important for improving the crystalline quality of MgO barrier in order to enhanc
Autor:
Tomio Ono, Shiori Kaji, Akiko Yuzawa, Tomohiko Nagata, Kei Masunishi, Michiko Hara, Shotaro Baba, Yoshihiro Higashi, Hideaki Fukuzawa, Kenji Otsu, Kazuaki Okamoto, Akio Hori, Yoshihiko Fuji
Publikováno v:
IEEJ Transactions on Sensors and Micromachines. 138:287-293
Autor:
Shiori Kaji, Akiko Yuzawa, Yoshihiko Fuji, Yoshihiro Higashi, Michiko Hara, Tomio Ono, Tomohiko Nagata, Kazuaki Okamoto, Kei Masunishi, Shotaro Baba
Publikováno v:
2018 IEEE International Electron Devices Meeting (IEDM).
Recently, new strain-gauge sensors based on magnetic tunnel junctions (MTJs) have attracted attention because they are promising for detecting extremely small strains. To further enhance the strain sensitivity of these spintronic strain-gauge sensors
Autor:
Yoshihiko Fuji, Yoshihiro Higashi, Shiori Kaji, Tomohiko Nagata, Akiko Yuzawa, Michiko Hara, Keiko Okamoto, Shotaro Baba
Publikováno v:
2018 IEEE International Magnetics Conference (INTERMAG).
MgO-based magnetic tunnel junctions (MTJs) are a key component technology for spintronic devices such as hard drive heads and magnetic random access memory (MRAM). Moreover, there is a great deal of interest in utilizing MTJs in analog sensor applica
Autor:
Tomohiko Nagata, Shotaro Baba, Michiko Hara, Akiko Yuzawa, Yoshihiko Fuji, Kenji Otsu, Tomio Ono, Shiori Kaji, Yoshihiro Higashi, Kei Masunishi, Keiko Okamoto
Publikováno v:
2018 IEEE Micro Electro Mechanical Systems (MEMS).
We report on a wide-bandwidth Spin-MEMS microphone, in which spintronic strain-gauge sensors (Spin-SGSs) based on magnetic tunnel junctions are integrated on a diaphragm, with a mechanical resonance frequency of over 70 kHz and a signal-to-noise rati
Autor:
Kenji Otsu, Kei Masunishi, Akio Hori, Kazuaki Okamoto, Yoshihiro Higashi, Tomio Ono, Tomohiko Nagata, Michiko Hara, Akiko Yuzawa, Hideaki Fukuzawa, Shiori Kaji, Yoshihiko Fuji, Shotaro Baba
Publikováno v:
2017 19th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS).
Here we report the first spintronic strain-gauge sensor (Spin-SGS) based on a magnetic tunnel junction (MTJ) with a high gauge factor in excess of 5000, which was realized by adopting a novel amorphous Fe-B-based sensing layer with high magnetostrict
Autor:
Baba Shotaro, Kei Masunishi, Shiori Kaji, Akiko Yuzawa, Michiko Hara, Kazuaki Okamoto, Yoshihiko Fuji, Yoshihiro Higashi, Tomio Ono, Tomohiko Nagata
Publikováno v:
Japanese Journal of Applied Physics. 58:SD0802
Autor:
Yoshihiko Fuji, Tomohiko Nagata, Michiko Hara, Akiko Yuzawa, Tomio Ono, Kei Masunishi, Kazuaki Okamoto, Shotaro Baba, Yoshihiro Higashi, Shiori Kaji
Publikováno v:
Journal of Applied Physics. 123:163901
We investigate the enhancement of the signal-to-noise ratio (SNR) of spintronic micro-electro mechanical-system (Spin-MEMS) microphones in which spintronic strain-gauge sensors (Spin-SGSs) are integrated on a micro-electro mechanical-system (MEMS) di