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Related Concept Videos

The Pauli Exclusion Principle03:06

The Pauli Exclusion Principle

The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:
Atomic Nuclei: Nuclear Spin State Overview01:03

Atomic Nuclei: Nuclear Spin State Overview

NMR-active nuclei have energy levels called 'spin states' that are associated with the orientations of their nuclear magnetic moments. In the absence of a magnetic field, the nuclear magnetic moments are randomly oriented, and the spin states are degenerate. When an external magnetic field is applied, the spin states have only 2 + 1 orientations available to them. A proton with = ½ has two available orientations. Similarly, for a quadrupolar nucleus with a nuclear spin value of one, the...
Semiconductors01:22

Semiconductors

There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
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Valence Bond Theory02:42

Valence Bond Theory

Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
Spin–Spin Coupling: One-Bond Coupling01:17

Spin–Spin Coupling: One-Bond Coupling

Coupling interactions are strongest between NMR-active nuclei bonded to each other, where spin information can be transmitted directly through the pair of bonding electrons. While nuclei polarize their electrons to the opposite spins, the bonding electron pair has opposite spins. Configurations with antiparallel nuclear spins are expected to be lower in energy. When coupling makes antiparallel states more favorable, J is considered to have a positive value. The one-bond coupling constant, 1J,...
Atomic Nuclei: Nuclear Spin01:08

Atomic Nuclei: Nuclear Spin

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Related Experiment Video

Updated: May 31, 2026

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
11:33

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

Single electron spintronics.

Kari J Dempsey1, David Ciudad, Christopher H Marrows

  • 1School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|July 6, 2011
PubMed
Summary
This summary is machine-generated.

Single electron electronics enables precise electron manipulation. Incorporating ferromagnetic components into these devices introduces spin functionality, paving the way for quantum computing applications.

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Last Updated: May 31, 2026

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
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Area of Science:

  • Condensed matter physics
  • Quantum electronics
  • Spintronics

Background:

  • Single electron electronics allows for the manipulation of individual electrons via tunneling onto and off nanoscale islands.
  • Recent research integrates ferromagnetic materials into single electron devices to explore spin-dependent phenomena.

Purpose of the Study:

  • To investigate the effects of incorporating ferromagnetic components into single electron devices.
  • To explore the potential for spin accumulation and novel quantum effects in such systems.
  • To assess the suitability of these devices for quantum information processing.

Main Methods:

  • Fabrication of single electron devices with ferromagnetic electrodes and/or ferromagnetic islands.
  • Characterization of electron tunneling transport properties.
  • Investigation of spin accumulation and spin-dependent transport phenomena.

Main Results:

  • Ferromagnetic electrodes can induce spin accumulation on a non-magnetic island.
  • Ferromagnetic islands exhibit enhanced tunneling magnetoresistance and Kondo effect manifestations.
  • These nanoscale islands demonstrate long spin lifetimes.

Conclusions:

  • Integrating ferromagnetism into single electron devices unlocks new physics and functionalities.
  • These systems offer a promising platform for exploring quantum properties of electrons.
  • The technology is a strong candidate for developing solid-state spin-based qubits for quantum computing.