Universität zu Köln

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:	Creators Email ORCID ORCID Put Code Maggioni, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Napoli, D. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Eberth, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gelain, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Carturan, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Grimaldi, M. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Tati, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED
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:	Keywords Language GERMANIUM DETECTORS; AMBIENT STABILITY; GE(100) SURFACES; GE SURFACE; SPECTROSCOPY; DIELECTRICS; OXIDATION; GE(111) Multiple languages Physics, Nuclear; Physics, Particles & Fields Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/38726