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2008 | 114 | 5 | 1317-1322
Article title

Analysis of Chemical Disorder in Pb_{1-x}Ge_{x}Te

Content
Title variants
Languages of publication
EN
Abstracts
EN
The PbGeTe crystal lattice is locally deformed due to different ionic radii of cations and their random placement in the lattice. It is important to quantitatively characterize such microscopic disorder because local deformations have significant influence on the properties of magnetic ions introduced to such crystal. The simples method to study microscopic disorder is to consider purely classical model of the lattice in which neighboring atoms are connected by springs with properly chosen spring constant and equilibrium lengths. In the present work, using ab initio methods we discuss applicability of the springs-atoms model to the real crystal. We also explain results of extended X-ray absorption fine structure experiments performed on PbGeTe mixed crystals.
Keywords
EN
Year
Volume
114
Issue
5
Pages
1317-1322
Physical description
Dates
published
2008-11
received
2008-06-07
References
  • 1. M. Górska, A. Łusakowski, A. Jędrzejczak, Z. Gołacki, R.R. Gałązka, J.R. Anderson, H. Balci, Phys. Rev. B 73, 125201 (2006)
  • 2. T. Radzyński, A. Łusakowski, K. Świątek, T. Story, poster presented on XXXVI International School on the Physics of Semiconducting Compounds, Jaszowiec 2007
  • 3. B. Ravel, E. Cockayne, M. Newville, K.M. Rabe, Phys. Rev. B 60, 14632 (1999)
  • 4. See http://www.openmx-square.org/
  • 5. See http://www.quantum-espresso.org/
  • 6. R. Dornhaus, G. Nimtz, B. Schlicht, Narrow-Gap Semiconductors, Springer -Verlag, Berlin 1985
  • 7. F. Birch, Phys. Rev. 71, 809 (1947)
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv114n547kz
Identifiers
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