Sub-millisecond time-resolved small-angle neutron scattering measurements at NIST

Author:

Glinka Charles,Bleuel Markus,Tsai Peter,Zákutná DominikaORCID,Honecker Dirk,Dresen Dominique,Mees Flore,Disch Sabrina

Abstract

Instrumentation for time-resolved small-angle neutron scattering measurements with sub-millisecond time resolution, based on Gähler's TISANE (time-involved small-angle neutron experiments) concept, is in operation at NIST's Center for Neutron Research. This implementation of the technique includes novel electronics for synchronizing the neutron pulses from high-speed counter-rotating choppers with a periodic stimulus applied to a sample. Instrumentation details are described along with measurements demonstrating the utility of the technique for elucidating the reorientation dynamics of anisometric magnetic particles.

Funder

National Science Foundation

National Institute of Standards and Technology, NIST Center for Neutron Research

German Research Foundation

Publisher

International Union of Crystallography (IUCr)

Subject

General Biochemistry, Genetics and Molecular Biology

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