Observation of TOF–MIEZE Signals with Focusing Mirrors at BL06, MLF, J-PARC

A neutron spin echo experiment for tiny samples with high energy resolution can be realized by combining modulated intensity by zero effort (MIEZE) technique and ellipsoidal neutron focusing supermirrors. We observed TOF–MIEZE (the time-of-flight method with MIEZE) signals with an effective frequenc...

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Bibliographic Details
Published in:Surface investigation, x-ray, synchrotron and neutron techniques x-ray, synchrotron and neutron techniques, 2020-10, Vol.14 (Suppl 1), p.S50-S55
Main Authors: Funama, F., Hino, M., Oda, T., Endo, H., Hosobata, T., Yamagata, Y., Tasaki, S.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Energy resolution
Materials Science
Surfaces and Interfaces
Thin Films
Time of flight method
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Summary:A neutron spin echo experiment for tiny samples with high energy resolution can be realized by combining modulated intensity by zero effort (MIEZE) technique and ellipsoidal neutron focusing supermirrors. We observed TOF–MIEZE (the time-of-flight method with MIEZE) signals with an effective frequency of 108 kHz with focusing beam. The Fourier time range 0.48–5.3 ns was covered at once by using TOF technique with neutron wavelength 0.65–1.45 nm. The contrasts of TOF–MIEZE signal were 0.62 ± 0.02 and 0.50 ± 0.05 with each neutron wavelength of 0.68 nm and 1.35 nm, respectively.
ISSN:1027-4510
1819-7094
DOI:10.1134/S1027451020070149