Media type: E-Article Title: Microwave and millimeter-wave mixers using negative differential resistance due to Andreev reflection in superconducting weak links Contributor: Ohta, Hiroshi; Matsui, Toshiaki Published: Elsevier BV, 1991 Published in: Physica C: Superconductivity, 185-189 (1991), Seite 2581-2582 Language: English DOI: 10.1016/0921-4534(91)91414-y ISSN: 0921-4534 Origination: Footnote: