Search Results - "Kumara, L. S. R."

Local Geometry and Electronic Properties of Nickel Nanoparticles Prepared via Thermal Decomposition of Ni-MOF-74 by Tayal, Akhil, Chen, Yanna, Song, Chulho, Hiroi, Satoshi, Kumara, L. S. R, Palina, Natalia, Seo, Okkyun, Mukoyoshi, Megumi, Kobayashi, Hirokazu, Kitagawa, Hiroshi, Sakata, Osami

“…Metal–organic frameworks (MOFs) provide highly selective catalytic activity because of their porous crystalline structure. There is particular interest in…”
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The relationship between crystalline disorder and electronic structure of Pd nanoparticles and their hydrogen storage properties by Seo, Okkyun, Kim, Jaemyung, Tayal, Akhil, Song, Chulho, Kumara, L. S. R, Dekura, Shun, Kobayashi, Hirokazu, Kitagawa, Hiroshi, Sakata, Osami

“…We investigated the relationship between crystalline disorder and electronic structure deviations of Pd nanoparticles (NPs) and their hydrogen storage…”
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Suppression of Charging Effect of Insulating Materials in Hard X-ray Photoelectron Spectroscopy by Yasuno, Satoshi, Seo, Okkyun, Kumara, L. S. R.

“…The suppression of the charging effect for powder and plate-shape insulating materials in hard X-ray photoelectron spectroscopy (HAXPES) was investigated. For…”
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Atomic disorder of Li0.5Ni0.5O thin films caused by Li doping: estimation from X-ray Debye-Waller factors by Yang, Anli, Sakata, Osami, Yamauchi, Ryosuke, Kumara, L. S. R., Song, Chulho, Katsuya, Yoshio, Matsuda, Akifumi, Yoshimoto, Mamoru

“…Cubic type room‐temperature (RT) epitaxial Li0.5Ni0.5O and NiO thin films with [111] orientation grown on ultra‐smooth sapphire (0001) substrates were examined…”
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Lattice constant, bond-orientational order, and solid solubility of PdPt bimetallic nanoparticles by Seo, Okkyun, Kim, Jaemyung, Hiroi, Satoshi, Song, Chulho, Kumara, L. S. R., Tayal, Akhil, Chen, Yanna, Kobayashi, Hirokazu, Kitagawa, Hiroshi, Sakata, Osami

“…Crystal structure deviations of bimetallic Pd-Pt nanoparticles (NPs) were investigated using synchrotron high-energy X-ray diffraction. The samples comprised…”
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Electronic Structure Evolution with Composition Alteration of RhxCuy Alloy Nanoparticles by Palina, Natalia, Sakata, Osami, Kumara, L. S. R., Song, Chulho, Sato, Katsutoshi, Nagaoka, Katsutoshi, Komatsu, Tokutaro, Kobayashi, Hirokazu, Kusada, Kohei, Kitagawa, Hiroshi

“…The change in electronic structure of extremely small Rh x Cu y alloy nanoparticles (NPs) with composition variation was investigated by core-level (CL) and…”
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Correlation between structural and magnetic properties of half-metallic spinel CuV2S4 due to the order-disorder transition of 3d2(t2g) orbitals of V3+ ions by Kumara, L. S. R., Hidaka, M., Tokiwa, N., Awaka, J., Hagino, T., Nagata, S., Park, Young Jun

“…Structural and magnetic properties of the spinel CuV2S4 have been studied by means of X‐ray diffraction using synchrotron radiation and measurements of…”
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Correlation between the Izumiyama porcelain ceramics and the red-overglaze enamels of the Kakiemon-style porcelains by Kajihara, S., Hidaka, M., Wijesundera, R.P., Kumara, L.S.R., Koga, M., Kobayashi, S., Tsuru, T., Koga, K., Shimomura, K., Choi, Jae-Young, Sung, Nark Eon, Park, Young Jun

“…The Kakiemon-style porcelains made from 17th century at Arita are famous Japanese porcelains, characterized mainly by their colored underglaze and overglaze…”
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Atomic disorder of Li 0.5 Ni 0.5 O thin films caused by Li doping: estimation from X-ray Debye-Waller factors by Yang, Anli, Sakata, Osami, Yamauchi, Ryosuke, Kumara, L S R, Song, Chulho, Katsuya, Yoshio, Matsuda, Akifumi, Yoshimoto, Mamoru

“…Cubic type room-temperature (RT) epitaxial Li Ni O and NiO thin films with [111] orientation grown on ultra-smooth sapphire (0001) substrates were examined…”
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Lattice spacings and domain sizes of room-temperature epitaxial LixNi1−xO (0≤x≤0.48) thin films grown on ultra-smooth sapphire substrates by Yang, Anli, Sakata, Osami, Yamauchi, Ryosuke, Katsuya, Yoshio, Kumara, L.S.R., Shimada, Yoshitomo, Matsuda, Akifumi, Yoshimoto, Mamoru

“…•RT epitaxial LixNi1−xO thin films on ultra-smooth sapphire substrates were studied.•Synchrotron X-rays revealed the lattice spacings and domain sizes of the…”
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Annealing effects of the untreated and sulfur-treated electrodeposited n-type and p-type cuprous oxide thin films by Jayathilaka, K. M. D. C., Kumara, L. S. R., Song, C. H., Kohara, S., Sakata, O., Kapaklis, V., Siripala, W., Jayanetti, J. K. D. S.

“…The n‐type and p‐type cuprous oxide thin films were electrodeposited potentiostatically in acetate and lactate baths, respectively. Sulfur treatment of n‐type…”
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Correlation between the electronic/local structure and CO-oxidation activity of Pd x Ru 1- x alloy nanoparticles by Song, Chulho, Tayal, Akhil, Seo, Okkyun, Kim, Jaemyung, Chen, Yanna, Hiroi, Satoshi, Kumara, L S R, Kusada, Kohei, Kobayashi, Hirokazu, Kitagawa, Hiroshi, Sakata, Osami

“…Pd Ru nanoparticles (NPs) were observed to display enhanced CO oxidation activity with the maximum performance obtained at the composition = 0.5. To unveil the…”
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Evaluation of lattice curvature and crystalline homogeneity for 2-inch GaN homo-epitaxial layer by Seo, Okkyun, Kim, Jae Myung, Song, Chulho, Lou, Yanfang, Kumara, L. S. R., Hiroi, Satoshi, Chen, Yanna, Katsuya, Yoshio, Irokawa, Yoshihiro, Nabatame, Toshihide, Koide, Yasuo, Sakata, Osami

“…We evaluated the lattice curvature, crystallinity, and crystalline homogeneity of a GaN layer on a free standing GaN substrate using lattice orientation…”
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Structural properties of the red-color overglaze for the HIZEN porcelains produced in the early Edo period of Japan by Hidaka, M., Ohashi, K., Kajihara, S., Wijesundera, R.P., Kumara, L.S.R., Choi, Jae-Young, Sung, Nark Eon

“…HIZEN porcelains made in 1650s to 1750s (early Edo period) in Arita areas sited in south Japan (SAGA) are famous Japanese porcelains, which are characterized…”
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Enhancing atomic ordering, magnetic and transport properties of Mn2VGa Heusler alloy thin films toward negatively spin-polarized charge injection by Li, Z. H, Suto, H, Barwal, V, Masuda, K, Sasaki, T. T, Chen, Z. X, Tajiri, H, Kumara, L. S. R, Koganezawa, T, Amemiya, K, Kokado, S, Hono, K, Sakuraba, Y

“…Magnetic materials with negative spin polarization have attracted attention for their potential to increase the design freedom of spintronic devices. This…”
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Microstructure, magnetic and transport properties of a Mn2CoAl Heusler compound by Xu, X.D., Chen, Z.X., Sakuraba, Y., Perumal, A., Masuda, K., Kumara, L.S.R., Tajiri, H., Nakatani, T., Wang, J., Zhou, W., Miura, Y., Ohkubo, T., Hono, K.

“…We report a detailed analysis of microstructure, magnetic and transport properties of a stoichiometric Mn2CoAl Heusler alloy, which has been predicted to be a…”
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Enhancing atomic ordering, magnetic and transport properties of Mn2VGa Heusler alloy thin films toward negatively spin-polarized charge injection by Li, Z.H., Suto, H., Barwal, V., Masuda, K., Sasaki, T.T., Chen, Z.X., Tajiri, H., Kumara, L.S.R., Koganezawa, T., Amemiya, K., Kokado, S., Hono, K., Sakuraba, Y.

“…Magnetic materials with negative spin polarization have attracted attention for their potential to increase the design freedom of spintronic devices. This…”
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Microstructure and atomic order analyses in CoFeCrAl Heusler alloy thin films: Interpretation of spin gapless semiconductor-like transport properties by Chen, Z.X., Sakuraba, Y., Masuda, K., Xu, X.D., Kumara, L.S.R., Tajiri, H., Kotani, Y., Kushwaha, V., Perumal, A., Hono, K.

“…We report a systematic analysis of transport properties, microstructure and atomic order in the thin films of the CoFeCrAl (CFCA) quaternary Heusler alloy that…”
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Suppression of Charging Effect of Insulating Materials in Hard X-ray Photoelectron Spectroscopy by Yasuno, Satoshi, Seo, Okkyun, Kumara, L. S. R.

“…The suppression of the charging effect for powder and plate-shape insulating materials in hard X-ray photoelectron spectroscopy (HAXPES) was investigated. For…”
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Control of atomic ordering of LiNiO2 thin films on a sapphire substrate from rock-salt to layered structure using uniaxial compression by Seo, Okkyun, Kim, Jaemyung, Tang, Jiayi, Kumara, L.S.R., Kimoto, Koji, Miki, Kazushi, Matsuda, Akifumi, Yoshimoto, Mamoru, Sakata, Osami

“…Atomic ordering in oxide thin films influences electrical and catalytic properties of the materials. Herein, we investigated the atomic arrangement of LiNiO2…”
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