Zobrazeno 1 - 10
of 355
pro vyhledávání: '"Ueda Kohei"'
Autor:
Ogawa, Kensuke, Tsukamoto, Moeta, Mori, Yusuke, Takafuji, Daigo, Shiogai, Junichi, Ueda, Kohei, Matsuno, Jobu, Sasaki, Kento, Kobayashi, Kensuke
Imaging spin-wave propagation in magnetic materials in a wide frequency range is crucial for understanding and applying spin-wave dynamics. Recently, nitrogen-vacancy (NV) centers in diamond have attracted attention as sensors capable of quantitative
Externí odkaz:
http://arxiv.org/abs/2411.17344
Autor:
Tajima, Yusuke, Shiogai, Junichi, Ueda, Kohei, Suzaki, Hirotake, Takaki, Kensuke, Seki, Takeshi, Kudo, Kazutaka, Matsuno, Jobu
An antiferromagnetic metal with two-dimensional triangular network offers a unique playground of intriguing magneto-transport properties and functionalities stemming from interplay between conducting electrons and intricate magnetic phases. A NiAs-ty
Externí odkaz:
http://arxiv.org/abs/2403.17408
Publikováno v:
Appl. Phys. Express 17, 013003 (2024)
We report on spin Hall magnetoresistance (SMR) in bilayers composed of Pt and magnetic insulator MgFe$_{2}$O$_{4}$ (MFO) with spinel structure. The Pt thickness dependence of the SMR reveals that annealing of the MFO surface before depositing the Pt
Externí odkaz:
http://arxiv.org/abs/2312.00370
Publikováno v:
Jpn. J. Appl. Phys. 62, 100902 (2023)
Manganite perovskites host emerging physical properties of strongly-correlated electrons with charge, spin, and lattice degrees of freedom. Using epitaxial lift-off technique, we report enhancement of saturation magnetization and ferromagnetic transi
Externí odkaz:
http://arxiv.org/abs/2308.16045
Autor:
Fukushima, Kenta, Ueda, Kohei, Moriuchi, Naoki, Kida, Takanori, Hagiwara, Masayuki, Matsuno, Jobu
Publikováno v:
Appl. Phys. Lett. 121, 232403 (2022)
We study spin Hall magnetoresistance (SMR) in Pt/ferrimagnetic insulator Y$_{3}$Fe$_{5}$O$_{12}$ (YIG) bilayers by focusing on crystallinity, magnetization, and interface roughness by controlling post-annealing temperatures. The SMR in the Pt/YIG gro
Externí odkaz:
http://arxiv.org/abs/2306.02575
Publikováno v:
Appl. Phys. Lett. 121, 022402 (2022)
We report on the highly efficient spin-orbit torque (SOT) generation in epitaxial SrIrO$_{3}$(SIO), which is grown on an orthorhombic DyScO$_{3}$(110) substrate. By conducting harmonic Hall measurement in Co$_{20}$Fe$_{60}$B$_{20}$ (CoFeB)/SIO bilaye
Externí odkaz:
http://arxiv.org/abs/2306.02567
Publikováno v:
APL Mater. 11, 061125 (2023)
We report on efficient spin current generation at room temperature in rutile type WO$_{2}$ grown on Al$_{2}$O$_{3}$(0001) substrate. The optimal WO$_{2}$ film has (010)-oriented monoclinically distorted rutile structure with metallic conductivity due
Externí odkaz:
http://arxiv.org/abs/2305.17887
Autor:
Liang, Lijuan1 (AUTHOR) lianglijuan0306@163.com, Ueda, Kohei2 (AUTHOR) kueda@iuhw.ac.jp, Ogura, Sayoko3 (AUTHOR) ogura.sayoko@nihon-u.ac.jp, Shimosawa, Tatsuo1 (AUTHOR) shimosawa-lab@iuhw.ac.jp
Publikováno v:
Life (2075-1729). Oct2024, Vol. 14 Issue 10, p1229. 11p.
Autor:
Ueda, Kohei, Moriuchi, Naoki, Fukushima, Kenta, Kida, Takanori, Hagiwara, Masayuki, Matsuno, Jobu
Publikováno v:
Phys. Rev. Appl. 16, 034039 (2021)
The 5d transition-metal oxides have been an intriguing platform to demonstrate efficient charge to spin current conversion due to a unique electronic structure dominated by strong spin-orbit coupling. Here, we report on stacking-order effect of spin-
Externí odkaz:
http://arxiv.org/abs/2110.02517
Autor:
Ueda, Kohei, Moriuchi, Naoki, Fukushima, Kenta, Kida, Takanori, Hagiwara, Masayuki, Matsuno, Jobu
Publikováno v:
Phys. Rev. B 102, 134432 (2020)
The 5d transition-metal oxides have a unique electronic structure dominated by strong spin-orbit coupling and hence they can be an intriguing platform to explore spin-current physics. Here, we report on room-temperature generation of spin-orbit torqu
Externí odkaz:
http://arxiv.org/abs/2110.01801