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Related Concept Videos

Atomic Force Microscopy01:08

Atomic Force Microscopy

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Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
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Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra.
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The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...
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Interference leads to systematic error in atomic absorption (AA) measurements by enhancing or diminishing the analytical signal or the background. These interferences can be grouped into three main categories: spectral interference, chemical interference, and physical interference.
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Updated: Nov 7, 2025

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

Ron A Pepino1

  • 1Department of Chemistry, Biochemistry and Physics Florida Southern College, Lakeland, FL 33801, USA.

Entropy (Basel, Switzerland)
|April 30, 2021
PubMed
Summary
This summary is machine-generated.

Atomtronics uses ultracold atoms to mimic electronic devices, enabling quantum state manipulation and computation. This review covers progress in developing atomtronic devices for novel applications.

Keywords:
Bose–Einstein condensatesatomtronicsopen quantum systemsquantum sensingquantum simulation

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Area of Science:

  • Atomic physics
  • Quantum computing
  • Condensed matter physics

Background:

  • Atomtronics is an emerging field merging atomic physics and electronics.
  • Ultracold atom-optical systems offer unique quantum coherence properties.
  • These systems can potentially emulate electronic and spintronic devices.

Purpose of the Study:

  • To review the fundamental concepts of atomtronics.
  • To present theoretical and experimental advancements in atomtronic device development.
  • To discuss the functionality and applications of atomtronic systems.

Main Methods:

  • Review of existing literature on atomtronics.
  • Analysis of theoretical models for atomtronic devices.
  • Summary of experimental progress in creating and controlling ultracold atom systems.

Main Results:

  • Demonstration of coherent control over atom currents.
  • Development of externally-driven and closed-loop atomtronic devices.
  • Exploration of quantum state manipulation in atom currents.

Conclusions:

  • Atomtronics shows significant promise for quantum information processing.
  • Atom analogs to electronic and spintronic devices are feasible.
  • Further research can unlock novel quantum technologies.