FABRICATION AND MEASUREMENT OF A NB BASED SUPERCONDUCTING SINGLE-ELECTRON TRANSISTOR

Authors
HARADA Y HAVILAND DB DELSING P CHEN CD CLAESON T
Citation
Y. Harada et al., FABRICATION AND MEASUREMENT OF A NB BASED SUPERCONDUCTING SINGLE-ELECTRON TRANSISTOR, Applied physics letters, 65(5), 1994, pp. 636-638
Citations number
11
Categorie Soggetti
Physics, Applied
Journal title
Applied physics letters → ACNP
ISSN journal
00036951
Volume
65
Issue
5
Year of publication
1994
Pages
636 - 638
Database
ISI
SICI code
0003-6951(1994)65:5<636:FAMOAN>2.0.ZU;2-U
Abstract
A new four-layer resist system was developed to fabricate small capaci tance niobium tunnel junctions. Nb/AlO(x)/Al junctions were used to ma ke a superconducting single electron transistor composed of two dc SQU IDs in series. The current-voltage characteristics were measured and t wo types of resonant tunneling of Cooper pairs were observed at differ ent magnetic fields.