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Title: Diamond and SiC Detectors for Rare Event Searches

Journal Article · · Journal of Low Temperature Physics
 [1];  [2];  [3];  [4];  [5];  [4];  [6];  [6];  [7];  [5];  [4];  [4]
  1. Stanford Univ., CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); SLAC
  2. SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Stanford Univ., CA (United States)
  3. Santa Clara Univ., Santa Clara, CA (United States)
  4. SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
  5. Stanford Univ., CA (United States)
  6. Univ. of Toronto, ON (Canada)
  7. The Ohio State Univ., Columbus, OH (United States)
+ Show Author Affiliations

In recent years, there has been increasing interest in developing detectors which are sensitive to sub-GeV dark matter and low-energy events from coherent neutrino scattering. Due to carbon’s light atomic weight and its tendency to form crystals with high-energy, long-lived phonon modes, carbon-based crystals (including diamond and silicon carbide (SiC)) present themselves as natural target materials for scattering-based searches in this regime. Here, we present our preliminary results in adapting our TES-based detectors to these substrates, specifically 4-H SiC and polycrystalline diamond. We focus on our fabrication efforts, specifically tuning the transition temperature (TC) of tungsten films sputtered on these materials, as well as our advancement toward fabricating and testing devices on these substrates.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
2403655
Journal Information:
Journal of Low Temperature Physics, Journal Name: Journal of Low Temperature Physics Vol. 246; ISSN 0022-2291
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

References (8)

CUTE - A Cryogenic Underground Test Facility at SNOLAB journal January 2020
Silicon carbide detectors for sub-GeV dark matter journal April 2021
Diamond detectors for direct detection of sub-GeV dark matter journal June 2019
Technique for fabricating tungsten thin film sensors with T/sub c/ ≤100 mK on germanium and silicon substrates [dark matter detectors] journal June 1997
Confocal sputtering of conformal α-β phase W films on etched Al features
  • Kreikebaum, John Mark; Cabrera, Blas; Yen, Jeffrey J.
  • Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena, Vol. 33, Issue 1 https://doi.org/10.1116/1.4904422
journal December 2014
NEXUS: A low-background, cryogenic facility for detector development and calibration [Slides]
  • Temples, Dylan
  • NEXUS: A low-background, cryogenic facility for detector development and calibration, Batavia, IL (United States), 22 Jun 2022 https://doi.org/10.2172/1877620
conference June 2022
Progress in Diamond Detectors
  • Wallny, Rainer; Artuso, M.; Bäni, L.
  • Proceedings of 10th International Workshop on Semiconductor Pixel Detectors for Particles and Imaging — PoS(Pixel2022) https://doi.org/10.22323/1.420.0095
conference March 2023
Optimization of SiC Cleaning Process Based on Zeta Potential journal March 2023

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Related Subjects

47 OTHER INSTRUMENTATION
TES
diamond
sub-GeV