Search Results - "Kimura, Kaoru"

Reinvestigation of the Thermoelectric Properties of Fe‐Substituted Icosahedral Al–Pd–Re Quasicrystals by Takagiwa, Yoshiki, Kimura, Kaoru

“…Icosahedral quasicrystals (QCs) have a glass‐like, low thermal conductivity because of their complex crystal structures, and a moderate power factor because of…”
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Interband Contribution to Thermoelectric Properties of Al–Cu–Ir Quasicrystalline Approximant by Kitahara, Koichi, Kimura, Kaoru

“…Thermoelectric properties of quasicrystalline approximants have been reasonably described by the semiclassical Boltzmann transport theory under the empirical…”
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Machine Learning to Predict Quasicrystals from Chemical Compositions by Liu, Chang, Fujita, Erina, Katsura, Yukari, Inada, Yuki, Ishikawa, Asuka, Tamura, Ryuji, Kimura, Kaoru, Yoshida, Ryo

“…Quasicrystals have emerged as the third class of solid‐state materials, distinguished from periodic crystals and amorphous solids, which have long‐range order…”
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Phase Equilibria in Aluminium–Ruthenium–Silicon System near 1200 Kelvin by Kitahara, Koichi, Takakura, Hiroyuki, Iwasaki, Yutaka, Kimura, Kaoru

“…A narrow-gap semiconductor with a complex crystal structure was recently discovered in the Al–Ru–Si system. To determine the homogeneity range of the…”
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Unusual Lattice Dynamics and Anisotropic Thermal Conductivity in In2Te5 Due to a Layered Structure and Planar-Coordinated Te-Chains by Zhang, Wenhao, Sato, Naoki, Tobita, Kazuki, Kimura, Kaoru, Mori, Takao

“…Searching for novel materials with intrinsically low thermal conductivity and uncovering their origin is an essential way to realize high performance in…”
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Band engineering in Al-TM (TM=Rh, Ir) quasicrystalline approximants via alloying and enhancement of thermoelectric properties by Iwasaki, Yutaka, Kitahara, Koichi, Kimura, Kaoru

“…The binary Al–Ir 1/0 quasicrystalline approximant is predicted to be a narrow band gap semiconductor with a large Seebeck coefficient; however, it has not yet…”
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High-Temperature Atomic Diffusion and Specific Heat in Quasicrystals by Nagai, Yuki, Iwasaki, Yutaka, Kitahara, Koichi, Takagiwa, Yoshiki, Kimura, Kaoru, Shiga, Motoyuki

“…A quasicrystal is an ordered but nonperiodic structure understood as a projection from a higher-dimensional periodic structure. Some physical properties of…”
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Vacancy Control and Enhancement of Thermoelectric Properties of Al–Ir Cubic Quasicrystalline Approximant via High-Pressure Synthesis by Iwasaki, Yutaka, Kitahara, Koichi, Kimura, Kaoru

“…Although the binary Al–Ir cubic quasicrystalline approximant has been expected to be a narrow-gap semiconductor, it has not yet been produced because the…”
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Thermoelectric Properties of Quasicrystalline Approximant in Al–Cu–Ir System by Kitahara, Koichi, Takagiwa, Yoshiki, Kimura, Kaoru

“…The thermoelectric properties of a cubic quasicrystalline approximant in the Al–Cu–Ir system were investigated experimentally and theoretically. A homogeneous…”
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Possibility of Semiconducting Electronic Structure on Al–Pd–Co 1/1 Cubic Quasicrystalline Approximant by Iwasaki, Yutaka, Kashimura, Tomoyuki, Kitahara, Koichi, Kimura, Kaoru

“…Search for high-order semiconducting quasicrystalline approximants can play an essential role in finding clues to the discovery of semiconducting…”
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Metallic-covalent bonding conversion and thermoelectric properties of Al-based icosahedral quasicrystals and approximants by Takagiwa, Yoshiki, Kimura, Kaoru

“…In this article, we review the characteristic features of icosahedral cluster solids, metallic-covalent bonding conversion (MCBC), and the thermoelectric…”
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Anomalous effects of Cu-doping on structural and thermoelectric properties of the Al-Ir cubic quasicrystalline approximant by Iwasaki, Yutaka, Kitahara, Koichi, Kimura, Kaoru

“…The effects of Cu doping on thermoelectric properties and structural properties, such as lattice constant and density, were investigated for the 1/0-cubic…”
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Data-driven analysis of electron relaxation times in PbTe-type thermoelectric materials by Katsura, Yukari, Kumagai, Masaya, Kodani, Takushi, Kaneshige, Mitsunori, Ando, Yuki, Gunji, Sakiko, Imai, Yoji, Ouchi, Hideyasu, Tobita, Kazuki, Kimura, Kaoru, Tsuda, Koji

“…Data mining from published papers can generate large experimental datasets that have been overlooked in computational materials informatics. We developed an…”
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Roles of Carrier Doping, Band Gap, and Electron Relaxation Time in the Boltzmann Transport Calculations of a Semiconductor’s Thermoelectric Properties by Katsura, Yukari, Takagi, Hidenori, Kimura, Kaoru

“…Although there is a growing demand for first-principles predictions of the thermoelectric properties of materials, the contribution of various errors in…”
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Half-Heusler phase TmNiSb under pressure: intrinsic phase separation, thermoelectric performance and structural transition by Ciesielski, Kamil, Synoradzki, Karol, Szymański, Damian, Tobita, Kazuki, Berent, Katarzyna, Obstarczyk, Patryk, Kimura, Kaoru, Kaczorowski, Dariusz

“…Half-Heusler (HH) phase TmNiSb was obtained by arc-melting combined with high-pressure high-temperature sintering in conditions: p = 5.5 GPa, T HPHT = 20, 250,…”
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Crystal structures of five compounds in the aluminium–ruthenium–silicon system by Kitahara, Koichi, Takakura, Hiroyuki, Iwasaki, Yutaka, Kimura, Kaoru

“…Single crystals of five compounds with approximate compositions ∼Ru 16 (Al 0.78 Si 0.22 ) 47 , (I), ∼Ru 9 (Al 0.70 Si 0.30 ) 32 , (II), ∼Ru 10 (Al 0.67 Si 0.33…”
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Thermally conductive tough flexible elastomers as composite of slide-ring materials and surface modified boron nitride particles via plasma in solution by Goto, Taku, Iida, Masaki, Tan, Helen, Liu, Chang, Mayumi, Koichi, Maeda, Rina, Kitahara, Koichi, Hatakeyama, Kazuto, Ito, Tsuyohito, Shimizu, Yoshiki, Yokoyama, Hideaki, Kimura, Kaoru, Ito, Kohzo, Hakuta, Yukiya, Terashima, Kazuo

“…We have developed a thermally conductive flexible elastomer as a composite material with slide-ring (SR) materials and boron nitride (BN) particles…”
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Semimetallic Band Structure and Cluster-Based Description of a Cubic Quasicrystalline Approximant in the Al–Cu–Ir System by Kitahara, Koichi, Takagiwa, Yoshiki, Kimura, Kaoru

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Synthesis and Thermal Stability of B20-Type TMGe (TM = Mn, Fe and Co) Intermetallic Compounds Prepared by Mechanical Milling by Hiroto, Takanobu, So, Yeong-Gi, Kimura, Kaoru

“…We propose a new synthesis method of transition-metal monogermanides (TMGe, TM = Mn, Fe, and Co) with a B20-type chiral structure. Arc-melting followed by…”
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Phase relation between supercooled liquid and amorphous silicon by Okada, Junpei T., Sit, Patrick H.-L., Ishikawa, Ryo, Ishikawa, Takehiko, Chen, Jinfan, Nakayama, Koji S., Maeda, Kensaku, Yokoyama, Yoshihiko, Watanabe, Yuki, Paradis, Paul-François, Watanabe, Yasuhiro, Nanao, Susumu, Ikuhara, Yuichi, Kimura, Kaoru, Uda, Satoshi

“…The phase relation between supercooled liquid silicon (l-Si) and amorphous silicon (a-Si) is discussed based on experimental results. Electrostatically…”
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