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Journal Articles

Mn$$_{2}$$VAl Heusler alloy thin films; Appearance of antiferromagnetism and exchange bias in a layered structure with Fe

Tsuchiya, Tomoki*; Kobayashi, Ryota*; Kubota, Takahide*; Saito, Kotaro*; Ono, Kanta*; Ohara, Takashi; Nakao, Akiko*; Takanashi, Koki*

Journal of Physics D; Applied Physics, 51(6), p.065001_1 - 065001_7, 2018/02

 Times Cited Count:2 Percentile:70.63(Physics, Applied)

Journal Articles

Comparison of solid-water partitions of radiocesium in river waters in Fukushima and Chernobyl Areas

Takahashi, Yoshio*; Fan, Q.*; Suga, Hiroki*; Tanaka, Kazuya; Sakaguchi, Aya*; Takeichi, Yasuo*; Ono, Kanta*; Mase, Kazuhiko*; Kato, Kenji*; Kanivets, V. V.*

Scientific Reports (Internet), 7(1), p.12407_1 - 12407_11, 2017/09

 Times Cited Count:10 Percentile:35.12(Multidisciplinary Sciences)

We focused on factors controlling partition of radiocesium on particulate matters and sediments in rivers of Fukushima and Chernobyl. Radiocesium is more soluble in the Pripyat River (Chernobyl) due to weaker interaction of radiocesium with clay minerals caused by the inhibition effect of the adsorbed humic substances. In contrast, particulate matters and sediments in the Kuchibuto River (Fukushima) display high adsorption affinity with lesser inhibition effect of adsorbed humic substances. This difference is possibly governed by the geology and soil type of provenances surrounding both catchments.

Journal Articles

Science from the initial operation of HRC

Ito, Shinichi*; Yokoo, Tetsuya*; Masuda, Takatsugu*; Yoshizawa, Hideki*; Soda, Minoru*; Ikeda, Yoichi*; Ibuka, Soshi*; Kawana, Daichi*; Sato, Taku*; Nambu, Yusuke*; et al.

JPS Conference Proceedings (Internet), 8, p.034001_1 - 034001_6, 2015/09

Journal Articles

Angle-resolved photoemission spectroscopy study of PrFeAsO$$_{0.7}$$; Comparison with LaFePO

Nishi, Ichiro*; Ishikado, Motoyuki; Ideta, Shinichiro*; Malaeb, W.*; Yoshida, Teppei*; Fujimori, Atsushi*; Kotani, Yoshinori*; Kubota, Masato*; Ono, Kanta*; Yi, M.*; et al.

Physical Review B, 84(1), p.014504_1 - 014504_5, 2011/07

 Times Cited Count:19 Percentile:31.96(Materials Science, Multidisciplinary)

We have performed an angle-resolved photoemission spectroscopy (ARPES) study of the iron-based superconductor PrFeAsO$$_{0.7}$$ and examined the Fermi surfaces and band dispersions near the fermi level. Heavily hole-doped electronic states have been observed due to the polar nature of the cleaved surfaces. Nevertheless, we have found that the ARPES spectra basically agree with band dispersions calculated in the local density approximation (LDA) if the bandwidth is reduced by a factor of $$sim$$ 2.5 and then the chemical potential is lowered by $$sim$$ 70 meV. Comparison with previous ARPES results on LaFePO reveals that the energy positions of the $$d$$$$_{3z^{2}-r^{2}}$$- and $$d$$$$_{yz,zx}$$-derived bands are considerably different between the two materials, which we attribute to the different pnictogen height as predicted by the LDA calculation.

Journal Articles

X-ray absorption studies of anodized monocrystalline 3C-SiC

Monguchi, Takuo*; Fujioka, Hiroshi*; Uragami, Takeshi*; Ono, Kanta*; Baba, Yuji; Oshima, Masaharu*

Journal of the Electrochemical Society, 147(2), p.741 - 743, 2000/02

 Times Cited Count:3 Percentile:84.22(Electrochemistry)

no abstracts in English

Journal Articles

Resonant Auger electron spectroscopy for analysis of the chemical state of phosphorus segregated at SiO$$_{2}$$/Si Interfaces

Oshima, Masaharu*; *; Ono, Kanta*; Fujioka, Hiroshi*; *; Baba, Yuji; Yoshii, Kenji; Sasaki, Teikichi

Journal of Electron Spectroscopy and Related Phenomena, 88-91, p.603 - 607, 1998/00

no abstracts in English

Journal Articles

Spin-resolved core-level photoemission spectra of ferromagnetic nickel

Saito, Yuji; Suga, Shigemasa*; Kakizaki, A.*; Matsushita, T.*; Imada, S.*; Daimon, H.*; Ono, Kanta*; Fujisawa, M.*; Kinoshita, T.*; Ishii, T.*; et al.

Journal of Electron Spectroscopy and Related Phenomena, 78, p.329 - 332, 1996/05

 Times Cited Count:0 Percentile:100

no abstracts in English

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