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Next generation multi-element monolithic Germanium detectors for spectroscopy : First integration at ESRF facility

Goyal, N. ; Aplin, S. ; Balerna, A. ; Bell, P. LU ; Casas, J. ; Cascella, M. LU orcid ; Chatterji, S. ; Cohen, C. ; Collet, E. and Fajardo, P. , et al. (2026) In Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1081.
Abstract

The XAFS-DET work package of the European LEAPS-INNOV project is developing high-purity Germanium detectors for synchrotron applications requiring spectroscopic-grade response. The detectors integrate three key features: (1) newly designed monolithic Germanium sensors optimized to mitigate charge-sharing events, (2) an improved cooling and mechanical design structure supported by thermal simulations, and (3) complete electronic chain featuring a low-noise CMOS technology based preamplifier, enabling high X-ray count rate capability over a broad energy range (5–100 keV). This paper discusses the first integration and characterization of one of the two multi-element Ge detectors at the European Synchrotron Radiation Facility (ESRF). The... (More)

The XAFS-DET work package of the European LEAPS-INNOV project is developing high-purity Germanium detectors for synchrotron applications requiring spectroscopic-grade response. The detectors integrate three key features: (1) newly designed monolithic Germanium sensors optimized to mitigate charge-sharing events, (2) an improved cooling and mechanical design structure supported by thermal simulations, and (3) complete electronic chain featuring a low-noise CMOS technology based preamplifier, enabling high X-ray count rate capability over a broad energy range (5–100 keV). This paper discusses the first integration and characterization of one of the two multi-element Ge detectors at the European Synchrotron Radiation Facility (ESRF). The integration phase included validating high-throughput front-end electronics, integrating them with the Ge sensor, and operating them at liquid nitrogen temperature, in addition to the experimental characterization, which consists of electronics noise study and spectroscopic performance evaluation.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
High purity Germanium sensor, Spectroscopy detectors, XAFS, XRF
in
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
volume
1081
article number
170835
publisher
Elsevier
external identifiers
  • scopus:105011168508
ISSN
0168-9002
DOI
10.1016/j.nima.2025.170835
language
English
LU publication?
yes
id
6e1bb0b5-865e-4716-b961-e3db9350916c
date added to LUP
2025-10-23 15:26:09
date last changed
2025-10-24 03:31:55
@article{6e1bb0b5-865e-4716-b961-e3db9350916c,
  abstract     = {{<p>The XAFS-DET work package of the European LEAPS-INNOV project is developing high-purity Germanium detectors for synchrotron applications requiring spectroscopic-grade response. The detectors integrate three key features: (1) newly designed monolithic Germanium sensors optimized to mitigate charge-sharing events, (2) an improved cooling and mechanical design structure supported by thermal simulations, and (3) complete electronic chain featuring a low-noise CMOS technology based preamplifier, enabling high X-ray count rate capability over a broad energy range (5–100 keV). This paper discusses the first integration and characterization of one of the two multi-element Ge detectors at the European Synchrotron Radiation Facility (ESRF). The integration phase included validating high-throughput front-end electronics, integrating them with the Ge sensor, and operating them at liquid nitrogen temperature, in addition to the experimental characterization, which consists of electronics noise study and spectroscopic performance evaluation.</p>}},
  author       = {{Goyal, N. and Aplin, S. and Balerna, A. and Bell, P. and Casas, J. and Cascella, M. and Chatterji, S. and Cohen, C. and Collet, E. and Fajardo, P. and Gimenez, E. N. and Graafsma, H. and Hiresmann, H. and Iguaz, F. J. and Klementiv, K. and Kolodjiez, K. and Manzanillas, L. and Martin, T. and Menk, R. H. and Porro, M. and Quispe, M. and Schmitt, B. and Scully, S. and Turcato, M. and Ward, C. and Welter, E.}},
  issn         = {{0168-9002}},
  keywords     = {{High purity Germanium sensor; Spectroscopy detectors; XAFS; XRF}},
  language     = {{eng}},
  publisher    = {{Elsevier}},
  series       = {{Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment}},
  title        = {{Next generation multi-element monolithic Germanium detectors for spectroscopy : First integration at ESRF facility}},
  url          = {{http://dx.doi.org/10.1016/j.nima.2025.170835}},
  doi          = {{10.1016/j.nima.2025.170835}},
  volume       = {{1081}},
  year         = {{2026}},
}