Publication

Raman study of a single InP/InAs/InP strained quantum well

Jean-François Carlin, Alok Rudra
1992
Journal Articles

Abstract

We report on the first observation of both confined optical phonons and interface phonons in a single strained InAs quantum well grown on InP. Quasi resonant Raman measurements allow for the observation of interface modes. Informations about the mismatch induced strain in the InAs layer are obtained. The effect of the strain and the confinement on the longitudinal and transverse optical InAs modes are estimated.

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https://infoscience.epfl.ch/entities/publication/76311e6d-0fc4-4e1c-b12a-8e4cf5986e63

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Jean-François Carlin, Alok Rudra
1992
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/76311e6d-0fc4-4e1c-b12a-8e4cf5986e63

About this result

Related concepts (22)

Ring strain

In organic chemistry, ring strain is a type of instability that exists when bonds in a molecule form angles that are abnormal. Strain is most commonly discussed for small rings such as cyclopropanes and cyclobutanes, whose internal angles are substantially smaller than the idealized value of approximately 109°. Because of their high strain, the heat of combustion for these small rings is elevated. Ring strain results from a combination of angle strain, conformational strain or Pitzer strain (torsional eclipsing interactions), and transannular strain, also known as van der Waals strain or Prelog strain.

Stress–strain curve

In engineering and materials science, a stress–strain curve for a material gives the relationship between stress and strain. It is obtained by gradually applying load to a test coupon and measuring the deformation, from which the stress and strain can be determined (see tensile testing). These curves reveal many of the properties of a material, such as the Young's modulus, the yield strength and the ultimate tensile strength. Generally speaking, curves representing the relationship between stress and strain in any form of deformation can be regarded as stress–strain curves.

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