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Proceedings Paper

Noise in MgB2 thin film: a candidate material for space-borne infrared detector development
Author(s): B. Lakew; S. Aslam; H. Jones; B. Moeckly
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Paper Abstract

An MgB2 thin film was grown on a SiN-Si substrate, with a superconducting transition temperature, Tc, near 39K. At the mid-point of the transition (T= 38.24K) and at 10Hz a noise spectral density SV = 0.34nV/ √Hz was measured. The temperature noise, Kn, of the MgB2 film at different frequencies is compared to that of cuprate high temperature superconducting (HTS) thin films (with Tc ~ 90 K) used currently in transition-edge bolometers. Κn values predict that high performance far-IR thermal detectors (i.e bolometers) can be developed using MgB2 as a thermistor.

Paper Details

Date Published: 21 April 2006
PDF: 9 pages
Proc. SPIE 6186, MEMS, MOEMS, and Micromachining II, 61860A (21 April 2006); doi: 10.1117/12.663668
Show Author Affiliations
B. Lakew, NASA Goddard Space Flight Ctr. (United States)
S. Aslam, MEI Technologies (United States)
H. Jones, NASA Goddard Space Flight Ctr. (United States)
B. Moeckly, Superconductor Technologies Inc. (United States)

Published in SPIE Proceedings Vol. 6186:
MEMS, MOEMS, and Micromachining II
Hakan Ürey; Ayman El-Fatatry, Editor(s)

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