Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7052
Title: Disordered junction arrays used for Coulomb blockade thermometry
Authors: Yu, Y
Chow, WK 
Keywords: Calculations
Capacitance
Electric potential
Electron energy levels
Electron tunneling
Temperature measurement
Thermodynamic properties
Thermometers
Issue Date: Oct-2003
Publisher: EDP Sciences
Source: European physical journal. Applied physics, Oct. 2003, v. 24, no. 1, p. 27-31 How to cite?
Journal: European physical journal. Applied physics 
Abstract: A possible application of nanometer-sized junction arrays is to Coulomb blockade thermometry (CBT), although only highly disordered arrays can be fabricated at present. In this paper, the characteristics of CBT device with disordered arrays will be studied. Similar to what is observed for uniform arrays, there is a dip at zero bias voltage in the differential conductance of disordered arrays. However, the half-width V[sub 1/2] of the dip for one-dimensional disordered arrays is largely dispersed. This study suggests that better devices can be developed by connecting a number of one-dimensional arrays in parallel to form an array group. The dispersion of half-width is quite small with values of V[sub 1/2] close to a constant. Further, the effects of electromagnetic environment and low temperature on the half-width are investigated. Results are agreed with those observed experimentally, that for the effect of the environment is negligible for large arrays. The half-width of a disordered array may be bigger or smaller than the ideal value, depending on the extend of disorder.
URI: http://hdl.handle.net/10397/7052
ISSN: 1286-0042
EISSN: 1286-0050
DOI: 10.1051/epjap:2003057
Rights: © EDP Sciences
The following article "Y. Yu and W. K. Chow (2003). Disordered junction arrays used for Coulomb blockade thermometry. The European Physical Journal Applied Physics, 24, pp 27-31. doi:10.1051/epjap:2003057." is available at http://www.epjap.org/action/displayAbstract?fromPage=online&aid=8094731.
The original publication is available at www.epjap.org.
Appears in Collections:Journal/Magazine Article

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