TY - JOUR
T1 - Influence of CVD diamond film textures on the electrical response of radiation detectors
AU - Jany, C.
AU - Foulon, F.
AU - Bergonzo, P.
AU - Brambilla, A.
AU - Gicquel, A.
AU - Pochet, T.
PY - 1996/10/1
Y1 - 1996/10/1
N2 - The influence of the texture of polycrystalline CVD diamond films on their electrical properties was studied. The films were deposited by a microwave-plasma-enhanced chemical vapour deposition technique (MPCVD). (110) and (100) textured films, and non-textured films were produced under different growth conditions. Extensive measurements were carried out in order to probe the electrical properties of the films: resistivity, carrier lifetimes, mobility and carrier drift length before trapping. The influence of nitrogen impurities on the film electrical properties is addressed. CVD diamond detectors were characterised electrically in photo-current mode at room temperature under X-ray radiation at 40 keV. The results give evidence of a strong influence of the texture, nitrogen impurities and polycrystalline structural defects of the films on their use as X-ray detectors.
AB - The influence of the texture of polycrystalline CVD diamond films on their electrical properties was studied. The films were deposited by a microwave-plasma-enhanced chemical vapour deposition technique (MPCVD). (110) and (100) textured films, and non-textured films were produced under different growth conditions. Extensive measurements were carried out in order to probe the electrical properties of the films: resistivity, carrier lifetimes, mobility and carrier drift length before trapping. The influence of nitrogen impurities on the film electrical properties is addressed. CVD diamond detectors were characterised electrically in photo-current mode at room temperature under X-ray radiation at 40 keV. The results give evidence of a strong influence of the texture, nitrogen impurities and polycrystalline structural defects of the films on their use as X-ray detectors.
UR - http://www.scopus.com/inward/record.url?scp=0030264651&partnerID=8YFLogxK
U2 - 10.1016/S0168-9002(96)00341-5
DO - 10.1016/S0168-9002(96)00341-5
M3 - Article
AN - SCOPUS:0030264651
SN - 0168-9002
VL - 380
SP - 107
EP - 111
JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
IS - 1-2
ER -