Zobrazeno 1 - 10
of 207
pro vyhledávání: '"Yuya Sakuraba"'
Autor:
Yuma Iwasaki, Ryo Toyama, Takahiro Yamazaki, Yasuhiko Igarashi, Masato Kotsugi, Yuya Sakuraba
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 4, Iss 1 (2024)
Exploring vast material spaces efficiently is challenging in materials science. Autonomous methods for material search – integrating machine learning and ab initio calculations – have emerged as powerful alternatives to traditional approaches, wh
Externí odkaz:
https://doaj.org/article/029bf5adfe5a4eba8ced8aa1e9861364
Autor:
Dolly Taparia, Taisuke Sasaki, Tomoya Nakatani, Hirofumi Suto, Yoshio Miura, Zehao Li, Varun Kumar Kushwaha, Kazuumi Inubushi, Shinto Ichikawa, Katsuyuki Nakada, Tomoyuki Sasaki, Seiji Mitani, Yuya Sakuraba
Publikováno v:
Science and Technology of Advanced Materials, Vol 25, Iss 1 (2024)
A current-perpendicular-to-plane giant magnetoresistive (CPP-GMR) device with a half-metallic electrode is one of the most promising candidates of next-generation read head for hard disk drive. In this study, we fabricate [001]-oriented polycrystalli
Externí odkaz:
https://doaj.org/article/b00855251c3c44ea82afbe27387fa999
Autor:
Rajkumar Modak, Takamasa Hirai, Yuya Sakuraba, Seiji Mitani, Koichi Oyanagi, Takumi Yamazaki, Takeshi Seki, Ken‐ichi Uchida
Publikováno v:
Advanced Physics Research, Vol 3, Iss 8, Pp n/a-n/a (2024)
Abstract With the giant magnetoresistance (GMR) effect serving as a vital component in modern spintronic technologies, researchers are dedicating significant efforts to improve the performance of GMR devices through material exploration and design op
Externí odkaz:
https://doaj.org/article/c2a1559e8f6b4992a0f1dd67cf2007b4
Publikováno v:
Advanced Science, Vol 11, Iss 18, Pp n/a-n/a (2024)
Abstract Transverse thermoelectric generation converts temperature gradient in one direction into an electric field perpendicular to that direction and is expected to be a promising alternative in creating simple‐structured thermoelectric modules t
Externí odkaz:
https://doaj.org/article/7c653617dd5f4c43876fa786440f3a5c
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 3, Iss 1 (2023)
ABSTRACTWe develop a high-throughput method for measuring the composition dependence of magnetoresistance (MR) and spin-transfer-torque (STT) effects in current-perpendicular-to-plane giant magnetoresistance (CPP-GMR) devices and report its applicati
Externí odkaz:
https://doaj.org/article/2022016a48b7415d928f08452bb80924
Autor:
Ryo Toyama, Varun K. Kushwaha, Taisuke T. Sasaki, Yuma Iwasaki, Tomoya Nakatani, Yuya Sakuraba
Publikováno v:
APL Materials, Vol 11, Iss 10, Pp 101127-101127-12 (2023)
Half-metallic Heusler alloys are promising candidates for spintronic applications due to their high spin polarization. However, the spin polarization strongly depends on the atomic composition, which is time-consuming to optimize from various composi
Externí odkaz:
https://doaj.org/article/6dff466dd331455da5ee35d685fe9d61
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 2, Iss 1, Pp 365-371 (2022)
Autonomous material search systems that combine ab initio calculations and Bayesian optimization are very promising for exploring huge material spaces. Setting up an appropriate material search space is necessary for efficient autonomous material sea
Externí odkaz:
https://doaj.org/article/c46d67ffaac149dab9a2c06a27c0ce6a
Autor:
Rajkumar Modak, Yuya Sakuraba, Takamasa Hirai, Takashi Yagi, Hossein Sepehri-Amin, Weinan Zhou, Hiroto Masuda, Takeshi Seki, Koki Takanashi, Tadakatsu Ohkubo, Ken-ichi Uchida
Publikováno v:
Science and Technology of Advanced Materials, Vol 23, Iss 1, Pp 767-782 (2022)
Transverse thermoelectric generation using magnetic materials is essential to develop active thermal engineering technologies, for which the improvements of not only the thermoelectric output but also applicability and versatility are required. In th
Externí odkaz:
https://doaj.org/article/6b16cbcc3b2c4023b5a8b41c5e7f2b2c
Autor:
Shigenori Ueda, Yuya Sakuraba
Publikováno v:
Science and Technology of Advanced Materials, Vol 22, Iss 1, Pp 317-325 (2021)
We report spin-resolved hard X-ray photoelectron spectroscopy (spin-HAXPES) for a buried Fe thin film in the valence band region. For the spin-HAXPES experiments, we developed an ultracompact built-in Mott-type spin-filter in a sample carrier, which
Externí odkaz:
https://doaj.org/article/37476d26ecba49aabff92678e68fb6f8
Autor:
Varun Kumar Kushwaha, Yuya Sakuraba, Tomoya Nakatani, Taisuke Sasaki, Ivan Kurniawan, Yoshio Miura, Hiroo Tajiri, Kazuhiro Hono
Publikováno v:
APL Materials, Vol 10, Iss 9, Pp 091119-091119-7 (2022)
Although an enhanced magnetoresistance (MR) has been observed in many Co2-based Heusler alloys by promoting their structural ordering from B2 to L21 by post-annealing at higher temperatures (Tann > 500 °C), it is desirable to search for other Heusle
Externí odkaz:
https://doaj.org/article/6c1de6b0cfe94cb9ad99a9b6f1c79a44