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Cubic boron nitride: a new prospective material for ultracold neutron application

At the ultracold neutron (UCN) source of the TRIGA research reactor in Mainz, we have measured for the first time the material optical wall-potential of cubic boron nitride. The measurements were performed with a time-of-flight (TOF) spectrometer. The samples investigated had a wall-potential of (30...

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Hauptverfasser: Sobolev, Yu. G. (VerfasserIn) , Lauer, Thorsten (VerfasserIn) , Borisov, Yu. (VerfasserIn) , Daum, M. (VerfasserIn) , du Fresne, N. (VerfasserIn) , Goeltl, L. (VerfasserIn) , Hampel, G. (VerfasserIn) , Heil, W. (VerfasserIn) , Knecht, A. (VerfasserIn) , Keunecke, M. (VerfasserIn) , Kratz, Jens-Volker (VerfasserIn) , Lang, T. (VerfasserIn) , Meister, M. (VerfasserIn) , Plonka-Spehr, Ch. (VerfasserIn) , Pokotilovskij, Ju. N. (VerfasserIn) , Reichert, P. (VerfasserIn) , Schmidt, Ulrich (VerfasserIn) , Krist, Th. (VerfasserIn) , Wiehl, N. (VerfasserIn) , Zenner, Johannes (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 2010
In: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment
Year: 2010, Jahrgang: 614, Heft: 3, Pages: 461-467
ISSN:1872-9576
DOI:10.1016/j.nima.2009.12.035
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.nima.2009.12.035
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0168900209023523
Volltext
Verfasserangaben:Yu. Sobolev, Th. Lauer, Yu. Borisov, M. Daum, N. du Fresne, L. Göltl, G. Hampel, W. Heil, A. Knecht, M. Keunecke, J.V. Kratz, T. Lang, M. Meister, Ch. Plonka-Spehr, Yu. Pokotilovski, P. Reichert, U. Schmidt, Th. Krist, N. Wiehl, J. Zenner
Beschreibung
Zusammenfassung:At the ultracold neutron (UCN) source of the TRIGA research reactor in Mainz, we have measured for the first time the material optical wall-potential of cubic boron nitride. The measurements were performed with a time-of-flight (TOF) spectrometer. The samples investigated had a wall-potential of (305±15)neV. This value is in good agreement with the result extracted from neutron reflectometry data and theoretical expectations. Because of its high critical velocity for UCN and its good dielectric characteristics, cubic boron nitride coatings (isotopically enriched) will be useful for a number of applications in UCN experiments.
Beschreibung:Available online 22 December 2009
Gesehen am 11.08.2023
Beschreibung:Online Resource
ISSN:1872-9576
DOI:10.1016/j.nima.2009.12.035

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