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Author
Bertoldo, S.
;
Maggioni, G.
;
Raniero, W.
;
Carraro, C.
;
Riccetto, S.
;
Sgarbossa, F.
;
Scarpa, D.
;
Andrighetto, A.
;
Mazzolari, A.
;
Gadea, A.
;
Napoli, D.R.
;
Napolitani, E.
;
De Salvador, D.
Title
New method for the production of thin and stable, segmented n plus contacts in HPGe detectors
Type
Journal Article
Year
2021
Publication
European Physical Journal A
Abbreviated Journal
Eur. Phys. J. A
Volume
57
Issue
6
Pages
177 - 10pp
Keywords
Abstract
The realization of pulsed-laser diffused, thin n+ contacts on high purity germanium (HPGe) and their successful segmentation is described. The contacts have been obtained by a laser-induced diffusion of Sb atoms, deposited by sputtering on Ge surface, and then segmented by means of a photolithographic technique. Three small prototypes of gamma ray detectors have been implemented, using the same n+ contact (laser diffused Sb) but with three different geometries and a B implanted p+ contact. Electrical and detection properties of the prototypes have been characterized, showing low leakage currents and good spectroscopy data with different gamma-ray sources. The stability of the detector performance has also been tested subjecting one of the prototypes to a typical annealing treatment.
Address
[Bertoldo, S.; Maggioni, G.; Raniero, W.; Carraro, C.; Sgarbossa, F.; Scarpa, D.; Andrighetto, A.; Napoli, D. R.; Napolitani, E.; De Salvador, D.] Ist Nazl Fis Nucl, Lab Nazl Legnaro, Viale Univ 2, I-35020 Legnaro, PD, Italy, Email: maggioni@lnl.infn.it
Corporate Author
Thesis
Publisher
Springer
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
1434-6001
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:000781800800001
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
5193
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