Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13997
Title: The development of primary thermometers, using disordered tunneling junction arrays
Authors: Yu, Y
Chow, WK 
Keywords: Coulomb blockade thermometry
Disordered
Junction arrays
Issue Date: 2004
Publisher: Elsevier
Source: Sensors and actuators. A, Physical, 2004, v. 116, no. 1, p. 79-84 How to cite?
Journal: Sensors and actuators. A, Physical 
Abstract: An important problem in the application of nanometersized-junction arrays to Coulomb blockade thermometry (CBT) is dispersion in the junction parameters. The performance of CBT is investigated by calculating two primary thermometric quantities, half-width V1/2 and the third zero-crossing voltage V3,0 of the I-V curve, for disordered junction arrays. The results show that the fluctuations of the two quantities among disordered parallel-connected array groups are considerably reduced in comparison to the case of individual one-dimesional (1D) disordered arrays. If the inhomogeneity of the junction is assumed to be ±20%, among the simulated samples of disordered array groups the relative fluctuation of V1/2 and V 3,0 is only about 0.1%, and the mean values of V1/2 and V3,0 deviate positively from the ideal value in the uniform junction array by 3 and 4%, respectively. Therefore, the performance of CBT can be improved by connecting the arrays to form junction array groups, and high-quality CBT device can be made from the array group.
URI: http://hdl.handle.net/10397/13997
ISSN: 0924-4247
EISSN: 1873-3069
DOI: 10.1016/j.sna.2004.03.030
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