Colloid Research on the Small and Wide Angle Neutron Scattering Instrument TAIKAN at MLF/J-PARC

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  • IWASE Hiroki
    Comprehensive Research Organization for Science and Society (CROSS) Neutron Science and Technology Center

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  • J-PARC/MLF の中性子小角・広角散乱装置「大観」を利用したコロイド構造解析
  • J-PARC/MLF ノ チュウセイシ ショウカク ・ コウカク サンラン ソウチ 「 タイカン 」 オ リヨウ シタ コロイド コウゾウ カイセキ

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Abstract

<p>I introduce specifications and research activities on the time-of-flight (TOF) small and wide angle neutron scattering instrument (TAIKAN) installed on the Material and Life Science Experimental Facility (MLF) in the J-PARC, Tokai, Ibaraki, Japan. By using white neutrons in the wavelength range of 0.5 < λ < 7.8 Å based on TOF method, and four large area detector banks, the TAIKAN can cover simultaneously cover a wide Q range from 5×10–3 to 18 Å–1. Recently, we installed the ultra-small angle detector consisting of a cross-wired position sensitive photomultiplier tube combined with a ZnS/6LiF scintillator, and magnetic neutron lenses in order to extend the accessible low-Q limit. Several sample environments, such as a stretching cell, a superconducting magnet, a vapor sorption apparatus and a rheometer, have been constructed. As recent research activities, complementary SANS and SAXS studies of spherical micellar solutions are introduced. I also show the first result of Rheo-SANS experiments on the TAIKAN carried out on wormlike micellar solutions.</p>

Journal

  • Oleoscience

    Oleoscience 16 (10), 487-492, 2016

    Japan Oil Chemists' Society

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