Search Results - "Hiroi, Masahiko"

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  1. 1

    Epitaxial contact Andreev reflection spectroscopy of NbN/Co2FeSi layered devices by Shigeta, Iduru, Kubota, Takahide, Sakuraba, Yuya, Molenaar, Cor G., Beukers, Joost N., Kimura, Shojiro, Golubov, Alexander A., Brinkman, Alexander, Awaji, Satoshi, Takanashi, Koki, Hiroi, Masahiko

    Published in Applied physics letters (12-02-2018)
    “…We investigated the spin polarization P of Co-based Heusler alloy Co2FeSi by epitaxial contact Andreev reflection (ECAR) spectroscopy using epitaxially grown…”
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  2. 2

    Critical Behavior of the Magnetization in Heusler Alloy Co₂TiGa₀.₈Sn₀. by Yokoyama, Takaaki, Shigeta, Iduru, Nomura, Akiko, Yubuta, Kunio, Yamauchi, Touru, Umetsu, Rie Y., Nishihara, Hironori, Kanomata, Takeshi, Hiroi, Masahiko

    Published in IEEE transactions on magnetics (01-02-2022)
    “…We report the critical behavior of the magnetization in Heusler alloy Co 2 TiGa 0.8 Sn 0.2 as a potential candidate of high spin-polarized materials with the…”
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    Superconducting fluctuation effect on epitaxially layered films of superconductor NbN and half-metallic Heusler alloy Co2MnSi by Shigeta, Iduru, Oku, Shuta, Kubota, Takahide, Kimura, Shojiro, Seki, Takeshi, Shinozaki, Bunju, Awaji, Satoshi, Takanashi, Koki, Hiroi, Masahiko

    Published in AIP advances (01-02-2023)
    “…Superconducting properties were investigated in epitaxially layered films consisting of superconductor NbN and half-metallic Heusler alloy Co2MnSi (CMS)…”
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  5. 5

    Weak itinerant-electron ferromagnetism of CrAlGe modified by 3d transition metal by Masumitsu, Hayato, Yoshinaga, Soshi, Mitsui, Yoshifuru, Umetsu, Rie Y., Hiroi, Masahiko, Uwatoko, Yoshiya, Koyama, Keiichi

    “…•Magnetic properties of CrAlGe which modified by transition metal shows weak itinerant-electron ferromagnetism.•Magnetization of CrAlGe strongly correlated to…”
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  6. 6

    Transport properties of epitaxial films for superconductor NbN and half-metallic Heusler alloy Co2MnSi under high magnetic fields by Shigeta, Iduru, Kubota, Takahide, Sakuraba, Yuya, Kimura, Shojiro, Awaji, Satoshi, Takanashi, Koki, Hiroi, Masahiko

    Published in Physica. B, Condensed matter (01-05-2018)
    “…Transport properties were investigated for epitaxial films of superconductor NbN and half-metallic Heusler alloy Co2MnSi under high magnetic fields up to 17T…”
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  7. 7

    Effects of Substituted Elements on Spin Reorientation in Mn2−xFexSb1−ySny by Noguchi, Kohei, Mitsui, Yoshifuru, Hiroi, Masahiko, Umetsu, Rie Y., Gouchi, Jun, Uwatoko, Yoshiya, Koyama, Keiichi

    Published in MATERIALS TRANSACTIONS (01-08-2020)
    “…The spin reorientation and Curie temperature of Mn2−xFexSb1−ySny (0 ≤ x, y ≤ 0.15) compound were investigated by magnetization measurements. Spin reorientation…”
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  8. 8

    Magnetic and Structural Properties of MnCoGe with Minimal Fe and Sn Substitution by Onoue, Masahira, Kobayashi, Ryota, Mitsui, Yoshifuru, Hiroi, Masahiko, Takahashi, Kohki, Kondo, Akihiro, Kindo, Koichi, Uwatoko, Yoshiya, Koyama, Keiichi

    Published in MATERIALS TRANSACTIONS (01-10-2018)
    “…The magnetic and structural properties of MnCo0.92Fe0.08Ge1−xSnx (x = 0.02, 0.05, and 0.1) were investigated. A first-order magnetic transition was observed,…”
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    Magnetic transition in the Heusler compounds Fe3-xMnxSi by Nonoyama, Tomohito, Kato, Ryota, Shigeta, Iduru, Hiroi, Masahiko, Manaka, Hirotaka, Terada, Norio

    Published in AIP advances (01-11-2018)
    “…It has been shown that Fe2MnSi exhibits a ferromagnetic transition at Tc and an antiferromagnetic transition at a lower temperature, TA, to a phase referred to…”
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  11. 11

    Transport properties of Heusler compounds Fe3-xMnxSi (x = 1.6, 1.7 and 1.8) under magnetic fields by Kato, Ryota, Nonoyama, Tomohito, Ooka, Ryutaro, Shigeta, Iduru, Hiroi, Masahiko

    Published in AIP advances (01-11-2018)
    “…Measurements of the electrical resistivity, magnetoresistance (MR), and Hall effects are performed to investigate the transport properties of Fe3-xMnxSi (x =…”
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  12. 12

    Magnetic and Structural Properties of Metamagnetic MnCo0.92Fe0.08Ge Compound by Ozono, Kosuke, Mitsui, Yoshifuru, Hiroi, Masahiko, Umetsu, Rie Y., Takahashi, Kohki, Matsubayashi, Kazuyuki, Uwatoko, Yoshiya, Koyama, Keiichi

    Published in MATERIALS TRANSACTIONS (2016)
    “…The magnetic and structural properties of ferromagnetic MnCo0.92Fe0.08Ge were investigated by magnetization and X-ray powder diffraction measurements in…”
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  13. 13

    Magnetic and thermodynamic properties of Heusler alloys Ni55Mn26Al19 by Ito, Masakazu, Onda, Keijiro, Taira, Atsushi, Sonoda, Kazuki, Hiroi, Masahiko, Uwatoko, Yoshiya

    Published in AIP advances (01-05-2018)
    “…The temperature dependence of magnetization, M(T), specific heat, Cp(T), and thermal expansion, ΔL/L300K(T) were investigated for the Heusler compound…”
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  14. 14

    Cu-substitution effects on the magnetic properties of weak itinerant electron ferromagnet CrAlGe by Masumitsu, Hayato, Yoshinaga, Soshi, Mitsui, Yoshifuru, Umetsu, Rie Y., Hiroi, Masahiko, Uwatoko, Yoshiya, Koyama, Keiichi

    Published in AIP advances (01-10-2018)
    “…Cu-substitution effects on ferromagnetism in Cr-base ternary alloy CrAlGe with an orthorhombic TiSi2-type structure was investigated. The lattice parameters of…”
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  15. 15

    Magnetic properties of Mn1-xTMxAlGe (TM = V, Fe, Cu) with Cu2Sb-type structure by Noguchi, Kohei, Masumitsu, Hayato, Mitsui, Yoshifuru, Umetsu, Rie Y., Hiroi, Masahiko, Uwatoko, Yoshiya, Koyama, Keiichi

    Published in AIP advances (01-10-2018)
    “…The magnetic properties of Mn1-xTMxAlGe (TM = V, Fe and Cu) were investigated for x ≤ 0.2. The spontaneous magnetization decreased with increasing x. A…”
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  16. 16

    Quasi-First Order Magnetic Transition in Mn1.9Fe0.1Sb0.9Sn0.1 by Nwodo, Adline N., Kobayashi, Ryota, Wakamori, Taoto, Matsumoto, Yoshihiro, Mitsui, Yoshifuru, Hiroi, Masahiko, Takahashi, Kohki, Umetsu, Rie Y., Uwatoko, Yoshiya, Koyama, Keiichi

    Published in MATERIALS TRANSACTIONS (01-01-2018)
    “…The magnetic and structural properties of ferrimagnetic (FRI) Mn1.9Fe0.1Sb0.9Sn0.1 with a Cu2Sb-type tetragonal structure were studied by magnetization and…”
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  17. 17

    Magnetic and Structural Properties of Mn1.8Co0.2Sb under High Magnetic Fields by Orihashi, Hiroki, Hiroi, Masahiko, Mitsui, Yoshifuru, Takahashi, Kohki, Watanabe, Kazuo, Matsubayashi, Kazuyuki, Uwatoko, Yoshiya, Koyama, Keiichi

    Published in MATERIALS TRANSACTIONS (2013)
    “…Magnetization, electrical resistivity and X-ray diffraction measurements were carried out for Mn1.8Co0.2Sb with a tetragonal structure in 4.2 ≤ T ≤ 280 K and…”
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  18. 18

    Thermodynamic properties of Heusler Fe2VSi by Ito, Masakazu, Kai, Keita, Furuta, Tatsuya, Manaka, Hirotaka, Terada, Norio, Hiroi, Masahiko, Kondo, Akihiro, Kindo, Koichi

    Published in AIP advances (01-05-2018)
    “…We investigated temperature, T, dependence of magnetization, M(T), electrical resistivity, ρ(T), and specific heat, C p (T), for the Heusler compound Fe2VSi…”
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  19. 19

    Spin Polarization Measurements of Heusler Alloy }}} by Andreev Reflection Technique by Shigeta, Iduru, Maeda, Yuki, Harumori, Kohei, Nishisako, Yuya, Ito, Masakazu, Yamauchi, Touru, Hiroi, Masahiko

    Published in IEEE transactions on magnetics (01-01-2014)
    “…We report spin polarization P of Fe-rich Heusler alloy Ru 0.2 Fe 1.8 CrSi, which was determined by the Andreev reflection technique. Heusler alloy Ru 2-x Fe x…”
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  20. 20

    Magnetic Field Effect on Magnetic and Electrical Properties of by Matsumoto, Yoshihiro, Orihashi, Hiroki, Matsubayashi, Kazuyuki, Uwatoko, Yoshiya, Hiroi, Masahiko, Koyama, Keiichi

    Published in IEEE transactions on magnetics (01-01-2014)
    “…In order to investigate the magnetic and the electrical properties of Mn 2-x Cu x Sb (x =0.06, 0.10, and 0.15), the magnetization and the electrical…”
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