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Young’s Modulus of Fullerene C60–C70 Alloy Crystalline Nanowhiskers

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Crystalline nanowhiskers (NWs) composed of fullerene C60 and C70 molecules, i.e., alloy NWs, were synthesized by a liquid–liquid interfacial precipitation method. The nominal composition of C70 ranged from 0 to 40 mass%. The bending tests of the alloy NWs were performed inside a high-resolution transmission electron microscope, and the deformation behavior was observed in situ. The bending force acting on the NWs were measured simultaneously by an optical deflection method, and the Young’s modulus was estimated from the resulting force–flexure curves. The average Young’s modulus was found to increase to approximately 30 GPa as the C70 composition was increased to the solubility limit. In contrast, the Young’s modulus decreased with increasing NW diameter caused by the addition of C70.
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Keywords: Bending; Fullerene; Nanowhisker; Transmission Electron Microscopy; Young’s Modulus

Document Type: Research Article

Affiliations: 1: Division of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1, Tennoudai, Tsukuba, Ibaraki 305-8573, Japan 2: Surface and Interface Kinetics Group, National Institute for Materials Science, 1-2-1, Sengen, Tsukuba, Ibaraki 305-0047, Japan 3: Carbon Composite Materials Group, Research Center for Functional Materials, National Institute for Materials Science, 1-1, Namiki, Tsukuba, Ibaraki, 305-0044, Japan 4: Fullerene Engineering Group, National Institute for Materials Science, 1-1, Namiki, Tsukuba, Ibaraki 305-0044, Japan

Publication date: 2018-01-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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