Maggioni, G., Napoli, D. R., Eberth, J., Gelain, M., Carturan, S., Grimaldi, M. G. and Tati, S. (2015). Characterization of different surface passivation routes applied to a planar HPGe detector. Eur. Phys. J. A, 51 (11). NEW YORK: SPRINGER. ISSN 1434-601X

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Abstract

The effects of different passivation methods applied to the same planar high-purity germanium gamma radiation detector have been studied. By means of the scanning with a low-energy collimated gamma source, it has been found that the surface passivation gives rise to a dead layer below the intrinsic Ge surface, whose thickness and distribution are strongly dependent on the passivation type. Measured bulk detector properties like the peak-to-Compton ratio and efficiency have shown a dependence on the passivation and an influence of the passivation type on the depletion voltage, whilst the optimal energy resolution has been the same for all the passivations.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Maggioni, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Napoli, D. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Eberth, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gelain, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Carturan, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grimaldi, M. G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tati, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-387268
DOI: 10.1140/epja/i2015-15141-9
Journal or Publication Title: Eur. Phys. J. A
Volume: 51
Number: 11
Date: 2015
Publisher: SPRINGER
Place of Publication: NEW YORK
ISSN: 1434-601X
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
GERMANIUM DETECTORS; AMBIENT STABILITY; GE(100) SURFACES; GE SURFACE; SPECTROSCOPY; DIELECTRICS; OXIDATION; GE(111)Multiple languages
Physics, Nuclear; Physics, Particles & FieldsMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/38726

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