Superconducting High TC Thin Film Vortex-Flow Transistor

Abstract

A device is investigated based on vortex-flow in a superconducting thin-film. This transistor-like device is referred to as a superconducting flux- flow transistor (SFFT). Alongside step edge and grain boundary tunneling junctions the SFFT appears to be a promising candidate for active high temperature circuits. SFFT operation relies on the control of electrical characteristics at the output terminals by a magnetic field at the device boundaries. This field can be provided by the flow of a current in a control line; the device's input resistance hence will be very low. Substantial power grain can result. The low input resistance, yet moderate output resistant of the device appears beneficial for interfacing digital Josephson junction electronics with semiconductor circuits. This was proven in an experiment where Josephson junction was connected to a SFFT.

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Document Details

Document Type
Technical Report
Publication Date
Mar 28, 1991
Accession Number
ADA235025

Entities

People

  • G. K. Hohenwarter

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Amplifiers
  • Ceramic Materials
  • Computer Programs
  • Equivalent Circuits
  • Fabrication
  • Field Effect Transistors
  • Films
  • Frequency
  • Impedance
  • Josephson Junctions
  • Low Temperature
  • Magnetic Fields
  • Semiconductor Devices
  • Semiconductors
  • Thin Films
  • Transistors
  • Transition Temperature

Fields of Study

  • Physics

Readers

  • Electrical Engineering
  • Semiconductor Device Technology
  • Superconducting Magnet Technology

Technology Areas

  • Microelectronics
  • Microelectronics - Graphene