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Radiation hardness of single crystal CVD diamond detector tested with MeV energy ions (CROSBI ID 591895)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | domaća recenzija

Zamboni, Ivana ; Pastuović, Željko ; Jakšić, Milko Radiation hardness of single crystal CVD diamond detector tested with MeV energy ions // 2nd RBI Detector Workshop "Diamond Detectors Development and Applications": Book of Abstracts / Milko Jakšić, Tome Antičić, Mladen Kiš (ur.). Zagreb: Institut Ruđer Bošković, 2012. str. 12-12

Podaci o odgovornosti

Zamboni, Ivana ; Pastuović, Željko ; Jakšić, Milko

engleski

Radiation hardness of single crystal CVD diamond detector tested with MeV energy ions

The spectroscopic properties of a commercial high purity single crystal diamond detector (1 mm^2 area, 500 μm thickness) have been studied using focused ion beams (H, He and C ions) of the MeV energy range. A measured relative energy resolution of 1.3% (FWHM=25 keV) for detection of 2 MeV protons demonstrated useful spectroscopic performance of the CVD diamond device for light ion/atom detection. In order to test diamond radiation hardness the detector was selectively irradiated with 6.5 MeV focused carbon beam up to fluencies of 1011 ions/cm^2. A reliable measurement of ion fluences was accomplished by usage of the microprobe single ion technique – IBIC (ion beam induced charge). After irradiations meant to produce selectively damaged regions in diamond, low current mode IBIC was furthermore used to monitor a degradation of the charge collection efficiency (CCE) and spectroscopic properties of the device. In order to get better overview of the detector performance after irradiation, different ions with ranges smaller, equal and larger than a depth of produced damage were used as IBIC probes. The same experimental procedure of irradiation and IBIC imaging has been performed on a detector grade silicon PIN diode in order to make direct comparison of diamond and silicon material radiation hardness. Contrary to approved radiation hardness of diamond detectors used in high energy physics experiments, presented results show that diamond compared to silicon is less radiation hard for the spectroscopy of short range heavy ions.

single crystal CVD diamond detector; radiation hardness; ion micro-beam; IBIC; CCE

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Podaci o prilogu

12-12.

2012.

objavljeno

Podaci o matičnoj publikaciji

2nd RBI Detector Workshop "Diamond Detectors Development and Applications": Book of Abstracts

Milko Jakšić, Tome Antičić, Mladen Kiš

Zagreb: Institut Ruđer Bošković

978-953-6690-91-6

Podaci o skupu

2nd RBI Detector Workshop "Diamond Detectors Development and Applications"

predavanje

07.05.2012-10.05.2012

NP Plitvička jezera, Hrvatska

Povezanost rada

Fizika

Poveznice