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Naoki Yamamoto

Researcher at Keio University

Publications -  500
Citations -  11569

Naoki Yamamoto is an academic researcher from Keio University. The author has contributed to research in topics: Cathodoluminescence & Quantum. The author has an hindex of 52, co-authored 476 publications receiving 10243 citations. Previous affiliations of Naoki Yamamoto include Kyoto University & Arizona State University.

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Optical transmission properties of a single subwavelength aperture in a real metal

TL;DR: In this article, it was shown that light impinging on isolated subwavelength holes in real metal film, in this case Ag, excite localized surface plasmon modes on the aperture ridge, which gives rise to optical tunneling with unexpected enhanced transmission peaks and directionality.
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Dielectric and magnetic anomalies and spin frustration in hexagonal R MnO 3 ( R = Y , Yb, and Lu)

TL;DR: In this paper, single crystals of hexagonal $R{\mathrm{MnO}}_{3}$ $(R=\mathrm {Y},$ Yb, and Lu), where Mn ions form the triangular lattice, were investigated, focusing on their dielectric/magnetic anomalies as well as geometrical spin frustration.
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Transformation of human leukocytes by cocultivation with an adult T cell leukemia virus producer cell line

TL;DR: One of three virus-carrying cell lines, tested after being subjected to lethal x-irradiation, consistently transformed leukocytes from adult peripheral blood and umbilical cord blood, which expressed adult T cell leukemia virus-associated antigen.
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Development of a new pH-swing CO2 mineralization process with a recyclable reaction solution

TL;DR: In this article, a new CO 2 mineral sequestration process using the pH swing of a weak base-strong acid solution was proposed, in which an alkaline-earth metal was extracted selectively from silicate waste material, such as steelmaking slag or waste concrete, in an acidic condition using a weak-base-strong acyclic acid solution.
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Photon emission from silver particles induced by a high-energy electron beam

TL;DR: In this paper, a light detection system combined with a 200kV transmission electron microscope was used to measure the photon emission spectra from submicron silver particles induced by an electron beam.