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A 20 mK temperature sensor

Conference · · IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:7028281
The authors are developing a 20mK temperature sensor made of neutron transmutation doped (NTD) germanium for use as a phonon detector in a dark matter search. They find that NTD germanium thermistors around 20 mK have resistances which are a strong function of temperature, and have sufficient sensitivity to eventually reach a base line rms energy fluctuation of 6eV at 25 mK. Further work is needed to understand the extreme sensitivity of the thermistors to bias power.
Research Organization:
Dept. of Physics, Dept. of Material Science and Mineral Engineering, Lawrence Berkeley Lab., Univ. of California, Berkeley, CA (US)
OSTI ID:
7028281
Report Number(s):
CONF-871006-
Conference Information:
Journal Name: IEEE Trans. Nucl. Sci.; (United States) Journal Volume: 35:1
Country of Publication:
United States
Language:
English