The ratio of interstitial to substitutional site occupation by Mn atoms in GaAs estimated by EXAFS

K. Lawniczak-Jablonska, J. Libera, A. Wolska, M. T. Klepka, R. Jakiela, Janusz Sadowski

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

Abstract

The location of Mn atoms in the MBE-grown layers of Ga1-xMnxAs is correlated with all important physical properties of the final material, therefore, it is the subject of many studies. It is known that in the as-grown MBE samples the Mn atoms occupy substitutional and interstitial positions but the proportion between these sites is not easy to find. A powerful tool for this kind of study is XAS as it probes the local atomic order and the electronic structure. The EXAFS data analysis was performed considering superposition of possible Mn locations. This allowed for determination of the distribution of Mn between those two lattice sites. (C) 2009 Elsevier Ltd. All rights reserved.
Original languageEnglish
Title of host publicationRadiation Physics and Chemistry
PublisherElsevier
PagesS80-S85
Volume78
DOIs
Publication statusPublished - 2009
Event9th International School and Symposium on Synchrotron Radiation in Natural Science (ISSRNS-9) - Ameliowka, Poland
Duration: 2008 Jun 152008 Jun 20

Publication series

Name
Volume78
ISSN (Print)0969-806X

Conference

Conference9th International School and Symposium on Synchrotron Radiation in Natural Science (ISSRNS-9)
Country/TerritoryPoland
CityAmeliowka
Period2008/06/152008/06/20

Subject classification (UKÄ)

  • Natural Sciences
  • Physical Sciences

Free keywords

  • Semiconductors
  • Interstitial
  • Spintronics
  • Local order
  • X-ray absorption
  • Gallium arsenide
  • EXAFS
  • Manganese

Fingerprint

Dive into the research topics of 'The ratio of interstitial to substitutional site occupation by Mn atoms in GaAs estimated by EXAFS'. Together they form a unique fingerprint.

Cite this