A tunnel‐junction relaxation oscillator: Application to thermometry

Autor:	D. W. Gerdt, J. L. Paterson, M. V. Moody
Rok vydání:	1979
Předmět:	Tunnel effect Condensed matter physics Chemistry Tunnel junction Transition temperature Relaxation oscillator General Physics and Astronomy Superconducting tunnel junction Relaxation (physics) Atmospheric temperature range Temperature measurement
Zdroj:	Journal of Applied Physics. 50:3542-3546
ISSN:	1089-7550 0021-8979
DOI:	10.1063/1.326351
Popis:	A superconducting tunnel junction will undergo relaxation oscillations when biased with an active voltage source along the negative conductance portion of its I‐V characteristic. A simple calculation yields an implicit equation for this frequency f in terms of the circuit and junction parameters which is in qualitative agreement with experiment. Measurements on Al*‐Pb : Bi junctions with transition temperature Tc(Al*) ∼1.8 K, over the temperature range 1.3 K
Databáze:	OpenAIRE
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