Periodicity in Al/Ti superconducting single electron transistors

Details Periodicity in Al/Ti superconducting single electron transistors Periodicity in Al/Ti superconducting single electron transistors

2009-06-03

arxiv.org/abs/0906.0715v3

Physics

Condensed Matter

Superconductivity

3 pages, 3 figures, 1 table Version 3: Replaced incorrect label on x-axis of Fig. 3 "Q_g/e --> Q_g/2e"

Scientific paper

We present experiments on single Cooper-pair transistors made of two different superconducting materials. We chose Ti and Al to create an energy gap profile such that the island has a higher gap than the leads, thereby acting as a barrier to quasiparticle tunneling. Our transport measurements demonstrate that quasiparticle poisoning is suppressed in all our TiAlTi structures (higher gap for the island) with clear 2e periodicity observed, whereas full quasiparticle poisoning is observed in all AlTiAl devices (higher gap for the leads) with e periodicity.

Affiliated with

Also associated with

No associations

Rating

Periodicity in Al/Ti superconducting single electron transistors does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Periodicity in Al/Ti superconducting single electron transistors, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Periodicity in Al/Ti superconducting single electron transistors will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-194091