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Journal articles
Super-thin single crystal diamond membrane radiation detectors
Super-thin single crystal diamond membrane radiation detectors
Abstract : We propose to use the non-electronic grade (nitrogen content 5 ppb < [N] < 5 ppm) single crystal (sc) chemical vapour deposited (CVD) diamond as a thin-membrane radiation detector. Using deep Ar/O$_2$ plasma etching it is possible to produce self-supported few micrometres thick scCVD membranes of a size approaching 7 mm × 7 mm, with a very good surface quality. After metallization and contacting, electrical properties of diamond membrane detectors were probed with 5.486 MeV $\alpha$-particles as an ionization source. Despite nitrogen impurity, scCVD membrane detectors exhibit stable operation, charge collection efficiency close to 100%, with homogenous response, and extraordinary dielectric strength up to 30 V/$\mu$m.
Cited literature [25 references]
https://hal-cea.archives-ouvertes.fr/cea-01816364
Contributor : Bruno Savelli <>
Submitted on : Tuesday, September 24, 2019 - 3:13:39 PM
Last modification on : Monday, February 10, 2020 - 6:14:10 PM
Long-term archiving on: : Sunday, February 9, 2020 - 3:05:40 PM
Contributor : Bruno Savelli <>
Submitted on : Tuesday, September 24, 2019 - 3:13:39 PM
Last modification on : Monday, February 10, 2020 - 6:14:10 PM
Long-term archiving on: : Sunday, February 9, 2020 - 3:05:40 PM
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