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Related Concept Videos

Metal-Semiconductor Junctions01:24

Metal-Semiconductor Junctions

The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The semiconductor's...
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no current...

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Related Experiment Video

Updated: Jun 14, 2026

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
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1-nanometer-sized active-channel molecular quantum-dot transistor

Elad D Mentovich1, Bogdan Belgorodsky, Itsik Kalifa

  • 1School of Chemistry, Tel Aviv University Ramat Aviv, Tel Aviv, 69998 Israel.

Advanced Materials (Deerfield Beach, Fla.)
|March 31, 2010
PubMed
Summary

No abstract available in PubMed .

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