Scanning Magnetometry of Low Dimensional Electronic Systems

Abstract

The project successfully built and qualified a scanning probe microscope for magnetic and thermal imaging that operates at temperatures between 1.6-7.2K and in magnetic fields up to several tesla. We have used this to image a variety of materials, most notably atomically thin insulating ferromagnets, with one paper in preparation. We have also, in the course of our studies of twisted graphene heterostructures, made a major discovery of a new form of orbital magnetism supporting quantized electrical transport at zero magnetic field. This latter has far reaching applications for resistance metrology as well as ultra-low power electrically switchable magnetic memory storage.

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Document Details

Document Type
Technical Report
Publication Date
Jul 29, 2019
Accession Number
AD1096611

Entities

People

  • Andrea Young

Organizations

  • University of California Regents

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Air Force Research Laboratories
  • Band Structures
  • Current Density
  • Energy Bands
  • Filled Bands
  • Frequency
  • Hall Effect
  • Heterojunctions
  • Magnetic Fields
  • Magnetization
  • Magnetometers
  • Magnetometry
  • Materials
  • Materials Processing
  • Measurement
  • Paper
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.
  • Systems Analysis and Design

Technology Areas

  • Microelectronics
  • Microelectronics - Graphene
  • Space
  • Space - Hall-Effect Thruster