13 Small-Angle Neutron Scattering and Applications in Soft Condensed Matter

نویسنده

  • I. GRILLO
چکیده

2 Description of SANS Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 707 2.1 The Steady-State Instrument D22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 708 2.2 The Time-of-Flight Instrument LOQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 709 2.3 Detectors for SANS Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 711 2.4 Sample Environments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 713

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2 Description of SANS Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 707 2.1 The Steady-State Instrument D22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 708 2.2 The Time-of-Flight Instrument LOQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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Small Angle Neutron Scattering Applications in Fueld Science

INTRODUCTION Small angle neutron scattering (SANS) is a versatile technique', extensively used in condensed matter research, spanning the scientific fields including polymer science, metallic alloys, magnetic materials, porous materials, ceramics, composites, structural biology and colloidal systems of industrial and technological importance. SANS is useful to study both solid and liquid system...

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APPLIED PHYSICS REVIEWS—FOCUSED REVIEW Small-angle neutron scattering in materials science: Recent practical applications

Modern materials science and engineering relies increasingly on detailed knowledge of the structure and interactions in “soft” and “hard” materials, but there have been surprisingly few microscopic techniques for probing the structures of bulk samples of these substances. Small-angle neutron scattering SANS was first recognized in Europe as a major technique for this purpose and, over the past ...

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Small-angle neutron scattering of nanocrystalline gadolinium and holmium with random paramagnetic susceptibility.

A neutron study of nanocrystalline terbium (Balaji G et al 2008 Phys. Rev. Lett. 100 227202) has shown that the randomly oriented anisotropy of the paramagnetic susceptibility tensor may lead to strongly correlated nanoscale spin disorder in the paramagnetic state which can be probed very effectively by magnetic small-angle neutron scattering (SANS). In principle, this scenario is also applicab...

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Spatially resolved small-angle neutron scattering in the 1-2 plane: a study of shear-induced phase-separating wormlike micelles.

The shear-induced microstructure of a shear-induced phase separating (SIPS) wormlike micellar solution is measured by combining small-angle neutron scattering with a shear cell capable of gap-resolved measurement in the 1-2 (velocity-velocity gradient) plane. Quantitative results show evidence for shear-induced microphase separation accompanied by shear banding. The results suggest both concent...

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تاریخ انتشار 2008