Umklapp scattering
id:
umklapp-scattering-279-13578283
title:
Umklapp scattering
text:
In crystalline materials, Umklapp scattering (also U-process or Umklapp process) is a scattering process that results in a wave vector (usually written k) which falls outside the first Brillouin zone. If a material is periodic, it has a Brillouin zone, and any point outside the first Brillouin zone can also be expressed as a point inside the zone. So, the wave vector is then mathematically transformed to a point inside the first Brillouin zone. This transformation allows for scattering processes
brand slug:
wiki
category slug:
encyclopedia
description:
Scattering process outside crystals' first Brillouin zone
original url:
https://en.wikipedia.org/wiki/Umklapp_scattering
date created:
date modified:
2023-07-31T10:08:41Z
main entity:
{"identifier":"Q739077","url":"https://www.wikidata.org/entity/Q739077"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/e/ef/Phonon_nu_process.svg","width":584,"height":291}
fields total:
13
integrity:
15