Výsledky vyhledávání - "Hironori, Asada"

Akademický článek

Underlying mechanism of the driving force for generating spin currents thermally in a ferrimagnetic insulator due to a temperature gradient

Autor: Masaaki Imamura, Hironori Asada, Yuya Kano, Ryota Matsuda, Daisuke Tashima, Jiro Kitagawa

Publikováno v: AIP Advances, Vol 13, Iss 2, Pp 025001-025001-5 (2023)

We previously proposed the idea that the effective thermal-energy transfer from the phonon system to the spin system in liquid phase epitaxial (LPE) films of Bi-substituted yttrium iron garnet (Bi:YIG), a ferrimagnetic insulator, takes place through

Externí odkaz: https://doaj.org/article/ca776fa3b2a94bfe8e7451c4ab9984c0

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Akademický článek

Enhancement of the spin Seebeck effect owing to bismuth substitution in thermoelectric generators fabricated from LPE Bi-substituted YIG films

Autor: Masaaki Imamura, Hironori Asada, Ryo Nishimura, Keita Yamaguchi, Daisuke Tashima, Jiro Kitagawa

Publikováno v: AIP Advances, Vol 11, Iss 3, Pp 035143-035143-5 (2021)

Raising the thermoelectric voltage in spin thermoelectric generators is an important subject. We investigated the substitution of bismuth for yttrium to increase spin pumping at the paramagnetic metal and ferrimagnetic insulator (PM/FMI) interface, a

Externí odkaz: https://doaj.org/article/aa2257cea9d54cf69d7c36f16f0e90c8

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Akademický článek

Magneto-optical properties of wider gap semiconductors ZnMnTe and ZnMnSe films prepared by MBE

Autor: Masaaki Imamura, Daisuke Tashima, Jiro Kitagawa, Hironori Asada

Publikováno v: Journal of Electronic Science and Technology, Vol 18, Iss 3, Pp 100056- (2020)

The II-VI based magnetic semiconductors with a direct and wide optical bandgap are expected to show high potential for optical applications utilizing short wavelength laser diodes (LDs), such as 532-nm green and 475-nm blue LDs. We have confirmed tha

Externí odkaz: https://doaj.org/article/ea515b892cac4425881570b2d46047c0

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Akademický článek

Magnetic field control of moiré fringes on guanine crystal plate surface using its optical interference pattern

Autor: Hironori Asada, Etsuhiro Muneyama, Ryosuke Nagai, Takayuki Kimura, Masakazu Iwasaka

Publikováno v: AIP Advances, Vol 10, Iss 1, Pp 015305-015305-4 (2020)

Moiré fringes are created by superimposing two periodic or quasi-periodic networks of lines. This established technique is an important metrological tool for methods such as super-resolution microscopy. Biogenic guanine crystals show light and dark

Externí odkaz: https://doaj.org/article/180312e932ee4f1898f7b3773e19306a

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Akademický článek

Magnetic motion of biogenic guanine crystal plate combined with Fe2O3 nanoparticles

Autor: Ryosuke Nagai, Masaru Kurahashi, Kengo Kishimoto, Tsuyoshi Koyanagi, Masakazu Iwasaka, Hironori Asada

Publikováno v: AIP Advances, Vol 10, Iss 1, Pp 015032-015032-4 (2020)

To reduce the magnetic field amplitude required to orient guanine crystal plates, we have attached magnetic nanoparticles to these guanine crystal plates. Fe2O3 nanoparticles are mixed with the guanine crystal plates, which are dispersed in water. Ob

Externí odkaz: https://doaj.org/article/99e739241e34494996dc02dcfe4e1848

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Akademický článek

Refinement of synthetic guanine crystals for fast diamagnetic rotation

Autor: Archana Mootha, Kentaro Suzuki, Takayuki Kimura, Masaru Kurahashi, Etsuhiro Muneyama, Masakazu Iwasaka, Hironori Asada

Publikováno v: AIP Advances, Vol 9, Iss 3, Pp 035340-035340-4 (2019)

Synthetic guanine crystals, with the same magnetic controllable reflection property as a biogenic guanine crystal from fish scales, were prepared using a classical Ostwald ripening method for crude crystals, from the aqueous sodium hydroxide solution

Externí odkaz: https://doaj.org/article/e4021f7c961b465487bf08f947e91094

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Akademický článek

A novel modification of two-port laparoscopic ovarian cystectomy using a needlescopic instrument: One surgeon's initial experience

Autor: Satoshi Asai, Hitoshi Ishimoto, Akira Yabuno, Hironori Asada, Mikio Mikami, Yasunori Yoshimura

Publikováno v: Gynecology and Minimally Invasive Therapy, Vol 5, Iss 3, Pp 120-123 (2016)

Background: Laparoendoscopic single-site surgery (LESS) is challenging even for an experienced laparoscopic surgeon. With the increasing application of LESS for ovarian cystectomy, there is an urgent need to improve and modify the surgical techniques

Externí odkaz: https://doaj.org/article/1b31c2326ffc4a56b478c12f67d51f95

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