Search Results - "TANAKA, Masaaki"

Refine Results
  1. 1

    Recent progress in ferromagnetic semiconductors and spintronics devices by Tanaka, Masaaki

    Published in Japanese Journal of Applied Physics (01-01-2021)
    “…By actively using not only charge transport of electrons and holes but also their spins, we can create a variety of new phenomena and functional materials. It…”
    Get full text
    Journal Article
  2. 2

    Neural mechanisms of mental fatigue by Ishii, Akira, Tanaka, Masaaki, Watanabe, Yasuyoshi

    Published in Reviews in the neurosciences (01-08-2014)
    “…Fatigue is defined as a decline in the ability and efficiency of mental and/or physical activities that is caused by excessive mental and/or physical…”
    Get more information
    Journal Article
  3. 3

    Quantum transport evidence of Weyl fermions in an epitaxial ferromagnetic oxide by Takiguchi, Kosuke, Wakabayashi, Yuki K., Irie, Hiroshi, Krockenberger, Yoshiharu, Otsuka, Takuma, Sawada, Hiroshi, Nikolaev, Sergey A., Das, Hena, Tanaka, Masaaki, Taniyasu, Yoshitaka, Yamamoto, Hideki

    Published in Nature communications (09-10-2020)
    “…Magnetic Weyl semimetals have novel transport phenomena related to pairs of Weyl nodes in the band structure. Although the existence of Weyl fermions is…”
    Get full text
    Journal Article
  4. 4

    Efficient full spin–orbit torque switching in a single layer of a perpendicularly magnetized single-crystalline ferromagnet by Jiang, Miao, Asahara, Hirokatsu, Sato, Shoichi, Kanaki, Toshiki, Yamasaki, Hiroki, Ohya, Shinobu, Tanaka, Masaaki

    Published in Nature communications (13-06-2019)
    “…Spin–orbit torque (SOT), which is induced by an in-plane electric current via large spin-orbit coupling, enables an innovative method of manipulating the…”
    Get full text
    Journal Article
  5. 5

    Nearly non-magnetic valence band of the ferromagnetic semiconductor GaMnAs by Ohya, Shinobu, Takata, Kenta, Tanaka, Masaaki

    Published in Nature physics (01-04-2011)
    “…The origin of ferromagnetism in the prototype ferromagnetic semiconductor GaMnAs is controversial because of an insufficient understanding of its band…”
    Get full text
    Journal Article
  6. 6

    Giant gate-controlled proximity magnetoresistance in semiconductor-based ferromagnetic–non-magnetic bilayers by Takiguchi, Kosuke, Anh, Le Duc, Chiba, Takahiro, Koyama, Tomohiro, Chiba, Daichi, Tanaka, Masaaki

    Published in Nature physics (01-11-2019)
    “…The evolution of information technology has been driven by the discovery of new forms of large magnetoresistance, such as giant magnetoresistance 1 , 2 and…”
    Get full text
    Journal Article
  7. 7

    Micromagnetic investigations of Néel- and Bloch-type skyrmion dynamics induced by spin Hall effect of cap layers by Honda, Syuta, Tanaka, Masaaki

    Published in Japanese Journal of Applied Physics (01-09-2017)
    “…We investigate the spin-injection driving of skyrmion domains on a wire using micromagnetic simulations. We find that both Néel- and Bloch-type skyrmion…”
    Get full text
    Journal Article
  8. 8

    A spin metal–oxide–semiconductor field-effect transistor using half-metallic-ferromagnet contacts for the source and drain by Sugahara, Satoshi, Tanaka, Masaaki

    Published in Applied physics letters (29-03-2004)
    “…We propose and theoretically analyze a metal–oxide–semiconductor field-effect-transistor (MOSFET) type of spin transistor (spin MOSFET) consisting of a MOS…”
    Get full text
    Journal Article
  9. 9

    Correlation between interlayer exchange coupling and domain wall velocity in multilayered magnetic wires by Suzuki, Takafumi, Tanaka, Masaaki, Ohmasa, Tatsuro, Honda, Shunsuke, Honda, Syuta, Awano, Hiroyuki, Mibu, Ko

    “…•The DW velocity increased with the increase of the antiferromagnetic IEC strength.•The antiferromagnetic IEC stabilizes the Neel-type DWs in the…”
    Get full text
    Journal Article
  10. 10

    Large superconducting diode effect in ion-beam patterned Sn-based superconductor nanowire/topological Dirac semimetal planar heterostructures by Anh, Le Duc, Ishihara, Keita, Hotta, Tomoki, Inagaki, Kohdai, Maki, Hideki, Saeki, Takahiro, Kobayashi, Masaki, Tanaka, Masaaki

    Published in Nature communications (30-09-2024)
    “…High-quality superconductor/topological material heterostructures are highly desired for realisation of topological superconductivity and Majorana physics…”
    Get full text
    Journal Article
  11. 11

    High‐Mobility 2D Hole Gas at a SrTiO3 Interface by Anh, Le Duc, Kaneta, Shingo, Tokunaga, Masashi, Seki, Munetoshi, Tabata, Hitoshi, Tanaka, Masaaki, Ohya, Shinobu

    Published in Advanced materials (Weinheim) (01-04-2020)
    “…Strontium titanate (SrTiO3 or STO) is important for oxide‐based electronics as it serves as a standard substrate for a wide range of high‐temperature…”
    Get full text
    Journal Article
  12. 12

    Thickness-dependent quantum transport of Weyl fermions in ultra-high-quality SrRuO3 films by Kaneta-Takada, Shingo, Wakabayashi, Yuki K., Krockenberger, Yoshiharu, Ohya, Shinobu, Tanaka, Masaaki, Taniyasu, Yoshitaka, Yamamoto, Hideki

    Published in Applied physics letters (01-03-2021)
    “…The recent observation of Weyl fermions in the itinerant 4d ferromagnetic perovskite SrRuO3 points to this material being a good platform for exploring novel…”
    Get full text
    Journal Article
  13. 13

    High-temperature ferromagnetism in heavily Fe-doped ferromagnetic semiconductor (Ga,Fe)Sb by Tu, Nguyen Thanh, Hai, Pham Nam, Anh, Le Duc, Tanaka, Masaaki

    Published in Applied physics letters (09-05-2016)
    “…We show high-temperature ferromagnetism in heavily Fe-doped ferromagnetic semiconductor (Ga1− x ,Fe x )Sb (x = 23% and 25%) thin films grown by low-temperature…”
    Get full text
    Journal Article
  14. 14

    Giant gate-controlled odd-parity magnetoresistance in one-dimensional channels with a magnetic proximity effect by Takiguchi, Kosuke, Anh, Le Duc, Chiba, Takahiro, Shiratani, Harunori, Fukuzawa, Ryota, Takahashi, Takuji, Tanaka, Masaaki

    Published in Nature communications (09-11-2022)
    “…According to Onsager’s principle, electrical resistance R of general conductors behaves as an even function of external magnetic field B . Only in special…”
    Get full text
    Journal Article
  15. 15

    Neural effect of mental fatigue on physical fatigue: A magnetoencephalography study by Tanaka, Masaaki, Ishii, Akira, Watanabe, Yasuyoshi

    Published in Brain research (13-01-2014)
    “…Abstract We sought to clarify the neural effect of mental fatigue on physical fatigue using magnetoencephalography (MEG) and classical conditioning techniques…”
    Get full text
    Journal Article
  16. 16

    Observation of spontaneous spin-splitting in the band structure of an n-type zinc-blende ferromagnetic semiconductor by Anh, Le Duc, Hai, Pham Nam, Tanaka, Masaaki

    Published in Nature communications (19-12-2016)
    “…Large spin-splitting in the conduction band and valence band of ferromagnetic semiconductors, predicted by the influential mean-field Zener model and assumed…”
    Get full text
    Journal Article
  17. 17

    Electric Field Control of Spin–Orbit Torque Magnetization Switching in a Spin–Orbit Ferromagnet Single Layer by Jiang, Miao, Asahara, Hirokatsu, Ohya, Shinobu, Tanaka, Masaaki

    Published in Advanced science (01-08-2023)
    “…To achieve a desirable magnitude of spin–orbit torque (SOT) for magnetization switching and realize multifunctional spin logic and memory devices utilizing…”
    Get full text
    Journal Article
  18. 18

    Investigation of the therapeutic mechanism of subthreshold micropulse laser irradiation in retina by Hirabayashi, Kazutaka, Kakihara, Shinji, Tanaka, Masaaki, Shindo, Takayuki, Murata, Toshinori

    “…Purpose Subthreshold micropulse laser irradiation has been used for the treatment of retinal edema; however, there are few reports about the mechanism of its…”
    Get full text
    Journal Article
  19. 19

    Artificial control of the bias-voltage dependence of tunnelling-anisotropic magnetoresistance using quantization in a single-crystal ferromagnet by Muneta, Iriya, Kanaki, Toshiki, Ohya, Shinobu, Tanaka, Masaaki

    Published in Nature communications (22-05-2017)
    “…A major issue in the development of spintronic memory devices is the reduction of the power consumption for the magnetization reversal. For this purpose, the…”
    Get full text
    Journal Article
  20. 20

    Evidence for Spin-Triplet Electron Pairing in the Proximity-Induced Superconducting State of an Fe-Doped InAs Semiconductor by Nakamura, Taketomo, Anh, Le Duc, Hashimoto, Yoshiaki, Ohya, Shinobu, Tanaka, Masaaki, Katsumoto, Shingo

    Published in Physical review letters (15-03-2019)
    “…We provide evidence for spin-triplet electron pairing in proximity-induced superconductivity in a ferromagnetic semiconductor (In,Fe)As. As discovered in…”
    Get full text
    Journal Article