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Significant configurational dependence of the electromechanical coupling constant of B0.125Al0.875N
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics . Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics . Linköping University, The Institute of Technology.
Uppsala University.
2009 (English)In: APPLIED PHYSICS LETTERS, ISSN 0003-6951 , Vol. 94, no 15Article in journal (Refereed) Published
Abstract [en]

Currently, AlN is the preferred material in electroacoustic applications but modern applications necessitate the synthesis of materials with a range of electroacoustic properties. Among the promising candidates are the wurtzite Boron-containing AlN alloys. In here we study theoretically some of the material properties of wurtzite B0.125Al0.875N. The results indicate that wurtzite B0.125Al0.875N exhibits a strong configurational dependence of the electromechanical coupling constant. It is further shown that the lattice parameters as well as the stiffness constants are less sensitive of the atomic configuration and comply well with the Vegards rule.

Place, publisher, year, edition, pages
2009. Vol. 94, no 15
Keyword [en]
acoustoelectric effects, aluminium compounds, boron compounds, elastic constants, III-V semiconductors, lattice constants, permittivity, piezoelectricity, wide band gap semiconductors
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-18159DOI: 10.1063/1.3119644OAI: oai:DiVA.org:liu-18159DiVA: diva2:216496
Available from: 2009-05-09 Created: 2009-05-08 Last updated: 2009-05-09

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Tasnadi, FerencAbrikosov, Igor

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