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Josephson junction

American  
[joh-zuhf-suhn juhngk-shuhn, -suhf-] / ˈdʒoʊ zəf sən ˈdʒʌŋk ʃən, -səf- /

noun

Electronics.

  1. a high-speed switch, used in experimental computers, that operates on the basis of a radiative phenomenon Josephsoneffect exhibited by a pair of superconductors separated by a thin insulator. JJ

Etymology

Origin of Josephson junction

First recorded in 1965–70; after B. D. Josephson, who predicted the existence of the effect

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

By moving this barrier periodically, the researchers recreated conditions similar to those in a superconducting Josephson junction exposed to microwave radiation.

From Science Daily • Dec. 23, 2025

The typical, trusty aluminum Josephson junction is made of two layers of aluminum and a middle layer of aluminum oxide.

From Science Daily • Feb. 26, 2024

Specifically, they had a look at the niobium Josephson junction.

From Science Daily • Feb. 26, 2024

Furthermore, the presence or absence of that voltage across a Josephson junction could be used to represent the same "yes" or "no" information conveyed by a transistor.

From Time Magazine Archive

For example, it has been trying to adapt for commercial use the experimental Josephson junction.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.