Thermometer based on CB tunnelling

Details Thermometer based on CB tunnelling Thermometer based on CB tunnelling

1997-06-09

1999-09-07

Miska, Vit

Thermal measuring and testing

Temperature measurement

By electrical or magnetic heat sensor

374178, 374183, G01K 700

Patent

active

059476010

ABSTRACT:
A thermometer based on CB tunnelling includes a sensor component and devices for measuring its voltage-current dependence. The sensor includes a chain of several, at least ten, nanoscale tunnel junctions and connection electrodes for connecting the measurement devices to the ends of the chain. The temperature is determined in a manner that is, as such, known, on the basis of the characteristic quantities of the descriptor G/G.sub.T of the voltage-current dependence. The measurement array of the sensor includes several tunnel junction chains connected in parallel, for decreasing the total impedance of the array.

REFERENCES:
patent: 4747698 (1988-05-01), Wickramasinghe
patent: 5218297 (1993-06-01), Nakano
patent: 5634718 (1997-06-01), Martinis et al.
K.P. Hirvi E.A.: "Arrays of Normal Metal Tunnel Junctions in Weak Coulomb Blockade Regime" Applied Physics Letters., vol. 67, No. 14, Oct. 2, 1995 New York, US, pp. 2096-2098.

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