Publication

Interface states at semiconductor junctions

Giorgio Margaritondo
1999
Journal Articles

Abstract

The experimental and theoretical progress in understanding the electronic structure and the related parameters of Schottky interfaces and heterojunctions is reviewed. Particular emphasis is devoted to the solution of several historical controversial points, to the impact of novel ab initio theoretical approaches, to new experimental techniques based on synchrotron light and free electron lasers, to the efforts towards controlled modifications of interface parameters and to the foreseeable future developments of this vigorously progressing and:technologically crucial field.

Official source

https://infoscience.epfl.ch/entities/publication/0db3ecc0-b9cc-450e-a556-eb6547c058aa

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Giorgio Margaritondo
1999
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/0db3ecc0-b9cc-450e-a556-eb6547c058aa

About this result

Related concepts (32)

Metal–semiconductor junction

In solid-state physics, a metal–semiconductor (M–S) junction is a type of electrical junction in which a metal comes in close contact with a semiconductor material. It is the oldest practical semiconductor device. M–S junctions can either be rectifying or non-rectifying. The rectifying metal–semiconductor junction forms a Schottky barrier, making a device known as a Schottky diode, while the non-rectifying junction is called an ohmic contact.

Semiconductor

A semiconductor is a material which has an electrical conductivity value falling between that of a conductor, such as copper, and an insulator, such as glass. Its resistivity falls as its temperature rises; metals behave in the opposite way. Its conducting properties may be altered in useful ways by introducing impurities ("doping") into the crystal structure. When two differently doped regions exist in the same crystal, a semiconductor junction is created.

Semiconductor device

A semiconductor device is an electronic component that relies on the electronic properties of a semiconductor material (primarily silicon, germanium, and gallium arsenide, as well as organic semiconductors) for its function. Its conductivity lies between conductors and insulators. Semiconductor devices have replaced vacuum tubes in most applications. They conduct electric current in the solid state, rather than as free electrons across a vacuum (typically liberated by thermionic emission) or as free electrons and ions through an ionized gas.

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Interface states at semiconductor junctions

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