Non-Invasive Characterization of Electronic Microstructures.

Abstract

Non-invasive characterization of mesoscopic devices is addressed with the emphasis on magnetic response. Various systems - zero-dimensional quantum dots, metal grains, billiard structures, bulk metals, etc. - are studied at low temperatures. Quantum level statistics in the magnetic field, orbital and spin magnetic susceptibilities, the inhomogeneous broadening of the Knight shift are analyzed. Major predictions are: very large inhomogeneous broadening of the Knight shift due to new orbital and spin mechanisms; strongly non-linear and large magnetic susceptibility of quantum dots and its dependence on electron-electron interactions; temperature dependence of the magnetic susceptibility of systems with fixed electron number. A new paradigm, wherein classically irregular devices are mapped to disordered electronic devices, is developed.

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Document Details

Document Type
Technical Report
Publication Date
Jun 05, 1996
Accession Number
ADA313873

Entities

People

  • Rostislav Serota

Organizations

  • University of Cincinnati

Tags

Communities of Interest

  • Human Systems
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Anharmonic Oscillators
  • Electron Electron Interactions
  • Electrons
  • Low Temperature
  • Magnetic Fields
  • Microstructure
  • Quantum Dots
  • Quantum Properties
  • Spin-Orbit Interaction
  • Statistical Analysis
  • Statistics

Fields of Study

  • Physics

Readers

  • Molecular Photonics/Laser Physics
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.
  • Superconducting Magnet Technology

Technology Areas

  • Microelectronics
  • Quantum Computing
  • Quantum Science - Quantum Dots
  • Space