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Showing 1–13 of 13 results
Advanced filters: Author: S. Harii Clear advanced filters

  • The authors evaluate heritable genetic variation in thermal tolerance in a common reef-building coral. They show widespread heritable genetic variation, which is strongly associated with marine heatwave-imposed selective pressure, suggesting adaptation to climate warming.

    • E. J. Howells
    • D. Abrego
    • M. Aranda
    Research
    Nature Climate Change
    Volume: 15, P: 829-832

  • In spin hydrodynamic generation originating from the coupling of mechanical rotation in a fluid and electron spin, fluid vorticity can be converted into an electric voltage via a spin current. Here, the authors demonstrate experimentally that the energy conversion in a laminar flow regime is strongly enhanced over the turbulent regime.

    • R. Takahashi
    • H. Chudo
    • E. Saitoh
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-6

  • Spin current carrying angular momentum enables intriguing phenomena and many fascinating applications. Here the authors demonstrate that thermally driven spin Seebeck current can give rise to the mechanical torque when transmitting through a Y3Fe5O12 micro cantilever.

    • Kazuya Harii
    • Yong-Jun Seo
    • Eiji Saitoh
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-5

  • The dissipation of heat towards cooler regions of a thermodynamic system is a ubiquitous phenomenon. It is now shown that collective excitations known as spin waves can be used to control the flow of heat in a ferrimagnet consisting of Y3Fe5O12.

    • T. An
    • V. I. Vasyuchka
    • E. Saitoh
    Research
    Nature Materials
    Volume: 12, P: 549-553

  • An insulator does not conduct electricity, and so cannot in general be used to transmit an electrical signal. But an insulator's electrons possess spin in addition to charge, and so can transmit a signal in the form of a spin wave. Here a hybrid metal–insulator–metal structure is reported, in which an electrical signal in one metal layer is directly converted to a spin wave in the insulating layer; this wave is then transmitted to the second metal layer, where the signal can be directly recovered as an electrical voltage.

    • Y. Kajiwara
    • K. Harii
    • E. Saitoh
    Research
    Nature
    Volume: 464, P: 262-266

  • Magnetohydrodynamic generators use magnetic fields to convert the kinetic energy of conducting fluids into electricity. Fluid motion is now shown to generate spin currents, which can induce electric voltages without applying magnetic fields.

    • R. Takahashi
    • M. Matsuo
    • E. Saitoh
    Research
    Nature Physics
    Volume: 12, P: 52-56

  • A multi-year stress experiment with broadcast spawning coral reveals that colonies exposed to a marine heatwave shift their reproductive strategy towards smaller but more numerous eggs, which, together with physiological acclimation, confers resilience to subsequent thermal stress.

    • Sanaz Hazraty-Kari
    • Parviz Tavakoli-Kolour
    • Masaya Morita
    ResearchOpen Access
    Communications Biology
    Volume: 5, P: 1-10