Search Results - "Yasuhara, Akira"

Atomically Localized Ordered Phase and Segregation at Grain Boundaries in Au–Ag–Cu Ternary Alloy Nanoparticles by Yasuhara, Akira, Sannomiya, Takumi

“…Metallic nanoparticles have been widely used and investigated because of their unique electrical and optical properties as well as their catalytic functions…”
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Asymmetric Light Absorption and Radiation of Ag–Cu Hybrid Nanoparticles by Wadell, Carl, Yasuhara, Akira, Sannomiya, Takumi

“…In this article, we study the plasmonic properties of phase-separated Ag–Cu nanoparticles. The particles are fabricated using simple thin film evaporation…”
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Mn(II) oxidation catalyzed by nanohematite surfaces and manganite/hausmannite core-shell nanowire formation by self-catalytic reaction by Inoué, Sayako, Yasuhara, Akira, Ai, Haruka, Hochella, Michael F., Murayama, Mitsuhiro

“…The present study investigated the solid products of heterogeneous catalytic oxidation of aqueous Mn(II) by O2 in the presence of hematite nanoparticles (NPs)…”
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In Situ Observation of Structural and Optical Changes of Phase-Separated Ag–Cu Nanoparticles during a Dewetting Process via Transmission Electron Microscopy by Yasuhara, Akira, Homma, Masahiro, Sannomiya, Takumi

“…Metallic nanoparticles with localized surface plasmon resonance have suitable optical properties for various applications such as optical filters, efficient…”
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Self delta-equivalence for links whose Milnor's isotopy invariants vanish by Yasuhara, Akira

“…For an n-component link, Milnor's isotopy invariants are defined for each multi-index I=i_1i_2...i_m~(i_j\in \{1,...,n\}). Here m is called the length. Let…”
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Combinatorial Approach to Milnor Invariants of Welded Links by Miyazawa, Haruko A., Wada, Kodai, Yasuhara, Akira

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The Dabkowski-Sahi invariant and 4-moves for links by Miyazawa, Haruko A., Wada, Kodai, Yasuhara, Akira

“…Dabkowski and Sahi defined an invariant of a link in the 3-sphere, which is preserved under 4-moves. This invariant is a quotient of the fundamental group of…”
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Wavy Graphene-Like Network Forming during Pyrolysis of Polyacrylonitrile into Carbon Fiber by Ishikawa, Toru, Tanaka, Fumihiko, Kurushima, Kosuke, Yasuhara, Akira, Sagawa, Ryusuke, Fujita, Tatsuya, Yonesaki, Ryohei, Iseki, Katsuhiko, Nakamuro, Takayuki, Harano, Koji, Nakamura, Eiichi

“…Carbon fiber (CF) obtained by pyrolysis of polyacrylonitrile (PAN-CF) surpasses metals in properties suitable for diverse applications such as aircraft…”
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Epitaxial growth of high-quality Mg3Sb2 thin films on annealed c-plane Al2O3 substrates and their thermoelectric properties by Ayukawa, Akito, Kiridoshi, Nozomu, Yamamoto, Wakaba, Yasuhara, Akira, Udono, Haruhiko, Sakane, Shunya

“…High-quality epitaxial Mg _3 Sb _2 thin films are promising thermoelectric materials to enable practical applications of compact and environmentally friendly…”
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High-endurance micro-engineered LaB6 nanowire electron source for high-resolution electron microscopy by Zhang, Han, Jimbo, Yu, Niwata, Akira, Ikeda, Akihiro, Yasuhara, Akira, Ovidiu, Cretu, Kimoto, Koji, Kasaya, Takeshi, Miyazaki, Hideki T., Tsujii, Naohito, Wang, Hongxin, Yamauchi, Yasushi, Fujita, Daisuke, Kitamura, Shin-ichi, Manabe, Hironobu

“…The size tunability and chemical versatility of nanostructures enable electron sources of high brightness and temporal coherence, both of which are important…”
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The structure of a long-period stacking phase in an Mg-Al-Y alloy studied by electron microscopy by Takeda, Mitsuhiro, Konno, Kazuya, Yasuhara, Akira, Hiraga, Kenji

“…A new phase with a 10H-type long-period stacking (LPS) structure was found in an Mg 75 Al 10 Y 15 alloy annealed at 823 K. The LPS structure in the Mg 75 Al 10…”
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Origin of spin glass magnetic behavior and phase stability of flux-grown RE(Al, Cr, Fe)B4 (RE = Ho and Er) single crystals by Yubuta, Kunio, Yasuhara, Akira, Nomura, Akiko, Shishido, Toetsu, Sugiyama, Kazumasa, Kouzu, Kaoru, Okada, Shigeru, Mori, Takao

“…The YCrB4 type (α-phase, orthorhombic with space group Pbam) α-HoAlB4 and α-ErAlB4 single crystals which were self-flux grown exhibit the spin glass magnetic…”
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The valence state and partitioning of iron in the Earth's lowermost mantle by Sinmyo, Ryosuke, Hirose, Kei, Muto, Shunsuke, Ohishi, Yasuo, Yasuhara, Akira

“…While iron occurs predominantly in the form of Fe2+ in the Earth's upper mantle and transition zone, Al‐bearing (Mg,Fe)SiO3 perovskite (Pv), a primary mineral…”
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Exploiting the full potential of the advanced two-hexapole corrector for STEM exemplified at 60kV by Sagawa, Ryusuke, Yasuhara, Akira, Hashiguchi, Hiroki, Naganuma, Tomoyuki, Tanba, Shinichi, Ishikawa, Takaki, Riedel, Thomas, Hartel, Peter, Linck, Martin, Uhlemann, Stephan, Müller, Heiko, Sawada, Hidetaka

“…•Deep sub-Angstrom STEM imaging with CEOS ASCOR in JEOL NEOARM at 60kV.•Analytical optimum for chromatic- and diffraction-limited probe angles.•Residual…”
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The study of Al3(Mn, Pd) crystal and Al-Mn-Pd decagonal quasicrystal by spherical aberration-corrected scanning transmission microscopy and atomic-resolution energy dispersive X-ray spectroscopy by Yasuhara, Akira, Hiraga, Kenji

“…An Al 3 Mn-type Al 3 (Mn, Pd) crystal and an Al-Mn-Pd decagonal quasicrystal (DQC) in an Al 70 Mn 20 Pd 10 alloy are studied using a spherical aberration…”
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Microstructural changes of Guinier–Preston zones in an Mg–1.5 at% Gd–1 at% Zn alloy studied by HAADF-STEM technique by Saito, Kaichi, Yasuhara, Akira, Hiraga, Kenji

“…▶ The stability of GP-zones in Mg–Gd–Zn alloys depends on the atomic ratio of Gd/Zn. ▶ The microstructures of the GP-zones is varied with an advance of aging…”
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Momentum-resolved EELS and CL investigation on 1D-plasmonic crystal fabricated by focused ion beam method by Yasuhara, Akira, Shibata, Masateru, Yamamoto, Wakaba, Machfuudzoh, Izzah, Yanagimoto, Sotatsu, Sannomiya, Takumi

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Direct Imaging of Octahedral Distortion in a Complex Molybdenum Vanadium Mixed Oxide by Lunkenbein, Thomas, Girgsdies, Frank, Wernbacher, Anna, Noack, Johannes, Auffermann, Gudrun, Yasuhara, Akira, Klein-Hoffmann, Achim, Ueda, Wataru, Eichelbaum, Maik, Trunschke, Annette, Schlögl, Robert, Willinger, Marc G.

“…Complex Mo,V‐based mixed oxides that crystallize in the orthorhombic M1‐type structure are promising candidates for the selective oxidation of small alkanes…”
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Structure of an Al–Cu–Co Decagonal Quasicrystal Studied by Cs-Corrected STEM by Yubuta, Kunio, Yamamoto, Kazuki, Yasuhara, Akira, Hiraga, Kenji

“…The structure of an Al–Cu–Co decagonal quasicrystal (DQC) with two quasiperiodic planes in an annealed Al64Cu22Co14 alloy has been studied by spherical…”
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Electrical Conductivity of Post-Perovskite in Earth's D'' Layer by Ohta, Kenji, Onoda, Suzue, Hirose, Kei, Sinmyo, Ryosuke, Shimizu, Katsuya, Sata, Nagayoshi, Ohishi, Yasuo, Yasuhara, Akira

“…Recent discovery of a phase transition from perovskite to post-perovskite suggests that the physical properties of Earth's lowermost mantle, called the D''…”
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