Výsledky vyhledávání - "Yoshiko H. Ohashi"

Magnetoresistance Effect of Thin Films Made of Single Graphite Crystals

Autor: Tatsuya Hironaka, Kazuo Shiiki, Yoshiko H. Ohashi, Toshiharu Kubo

Publikováno v: TANSO. 2000:410-413

The magnetic field dependence of the transverse magnetoresistance Δρ/ ρ0 and the Hall coefficient RH was measured for the graphite films of various thickness ranging from around 20 to 110 nm at temperatures between 4.2 K and 300 K. High quality of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f28a5ef2ecf0b6481c0aadc6eef659c6
https://doi.org/10.7209/tanso.2000.410

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Study of giant magnetoresistance in Co/X superlattices (X=Cu, Ru, Rh and Pd) by first-principle band calculation

Autor: Tadashi Kai, Kazuo Shiiki, Yoshiko H. Ohashi

Publikováno v: Journal of Magnetism and Magnetic Materials. 183:292-298

First-principle band structure calculation based on linear-muffin-tin-orbital atomic-sphere-approximation method is used to study the giant magnetoresistance (MR) effect and the electronic structure of Co/X superlattices (X=Cu, Ru, Rh and Pd). The MR

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c6e991c2d637e415ec767ed816fecae
https://doi.org/10.1016/s0304-8853(97)01066-4

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Effect of 4d transition metals on the electronic structure and magnetic properties of

Autor: Tadashi Kai, Yoshiko H. Ohashi, Kazuo Shiiki, Masahide Nakamura, Noriyuki Takano

Publikováno v: Journal of Physics: Condensed Matter. 10:371-377

The electronic structure and magnetic properties of bcc random alloys with Fe and 4d transition metals were studied using the first-principles Korringa-Kohn-Rostoker coherent potential approximation (KKR-CPA) method. The average magnetic moments of t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fce599c2d2cc5ba7bfa06a2fb6a51da4
https://doi.org/10.1088/0953-8984/10/2/016

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Effect of N atom and lattice constant on electronic structures and magnetic properties of Fe16N2 calculated by band structure calculation based on local-density approximation

Autor: Hiroyuki Nakajima, Kazuo Shiiki, Yoshiko H. Ohashi

Publikováno v: Journal of Magnetism and Magnetic Materials. 167:259-263

Band calculations have been performed for iron nitride, Fe16N2, using the self-consistent linearized-augmented-plane-wave (LAPW) method within the framework of the LDA (local-density approximation). The lattice constant dependence on the magnetic pro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d914513b7bf667155b22a8d39454f137
https://doi.org/10.1016/s0304-8853(96)00638-5

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Effect of Nb addition to Ni and Fe on electronic structure and magnetic properties

Autor: Tadashi Kai, Yoshiko H. Ohashi, Kazuo Shiiki, Noriyuki Takano, M Kobayashi

Publikováno v: Journal of Magnetism and Magnetic Materials. 166:329-333

The electronic structure and magnetic properties of fcc NiNb and bcc FeNb alloys within the Nb concentration of 20 at% are studied by band structure calculations based on the Korringa-Kohn-Rostoker coherent-potential approximation method. The results

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::00bfe2a9f6117061e68d371cd255fa6b
https://doi.org/10.1016/s0304-8853(96)00583-5

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Effect of Ru addition to Ni on the electronic structure and magnetic properties

Autor: Tadashi Kai, Noriyuki Takano, Yoshiko H. Ohashi, Kazuo Shiiki, M Kobayashi

Publikováno v: Journal of Physics: Condensed Matter. 8:7863-7868

Band-structure calculations based on the Korringa - Kohn - Rostoker coherent-potential approximation method are used to study the electronic structure and magnetic properties of FCC Ni - Ru alloy with a Ru concentration of 20 at.%. The results show t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dd18731317202e4fa7df9c8c260136bc
https://doi.org/10.1088/0953-8984/8/42/006

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Breakdown Properties of Random Systems with Distributed Conductances

Autor: Yoshiko H. Ohashi, Kazutoshi Ohashi, Mitsuru Fukuchi, Isao Ootani

Publikováno v: Journal of the Physical Society of Japan. 61:1399-1407

The breakdown problem in a random system is investigated by numerical simulation for a network of distributed conductance The breakdown voltages are studied in the different conductance configurations. The mean breakdown strength shows anomalous size

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b52a310499edacc32ce7d9834f49068
https://doi.org/10.1143/jpsj.61.1399

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Damping Constants of Vibrating Dislocations in NaCl and LiF Crystals

Autor: Satoshi Imai, Kazutoshi Ohashi, Mitsuru Fukuchi, Yoshiko H. Ohashi

Publikováno v: Journal of the Physical Society of Japan. 61:891-904

The phonon contribution to the resistive force acting on a moving dislocation is discussed, and an expression of the dislocation damping constant is obtained. The damping constant of a dislocation in an isotropic medium is expressed analytically. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a5632863caa79507a9005466044e6407
https://doi.org/10.1143/jpsj.61.891

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