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Topaltzikis, D. ; Wielunski, M. ; Hörner, A.L.* ; Küß, M.* ; Reiner, A.* ; Grünwald, T.* ; Schreck, M.* ; Wixforth, A.* ; Rühm, W.

Detection of x rays by a surface acoustic delay line in contact with a diamond crystal.

Appl. Phys. Lett. 118:133501 (2021)
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In this study, we present proof of concept for an x-ray detector. The hybrid device consists of a synthetic single crystal diamond in mechanical contact with a piezoelectric lithium niobate surface acoustic wave (SAW) delay line. Upon x-ray irradiation, the diamond crystal experiences a change in conductivity, which, in turn, very sensitively influences the SAW transmission on the delay line. This change in SAW attenuation is directly used to monitor the x-ray beam intensity. The SAW attenuation shows a monotonic variation with dose rate D in the studied range between 100 and 1800 μGy/s. While the response time leaves room for further improvement, the SAW detection principle offers the unique possibility for wireless remote powering and sensing.
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Publication type Article: Journal article
Document type Scientific Article
Language english
Publication Year 2021
HGF-reported in Year 2021
ISSN (print) / ISBN 0003-6951
e-ISSN 1077-3118
Quellenangaben Volume: 118, Issue: 13, Pages: , Article Number: 133501 Supplement: ,
Publisher American Institute of Physics (AIP)
Publishing Place 1305 Walt Whitman Rd, Ste 300, Melville, Ny 11747-4501 Usa
Reviewing status Peer reviewed
POF-Topic(s) 30203 - Molecular Targets and Therapies
Research field(s) Radiation Sciences
PSP Element(s) G-501391-001
Grants Deutsche Forschungsgemeinschaft
Helmholtz Research School of Radiation Sciences (RS2)
Scopus ID 85103470627
Erfassungsdatum 2021-04-16