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  Resolving the debated atomic structure of the metastable cubic SiNx tissue phase in nanocomposites with TiN

Fallqvist, A., Olovsson, W., Alling, B., Palisaitis, J., Belov, M. P., Abrikosov, I. A., et al. (2018). Resolving the debated atomic structure of the metastable cubic SiNx tissue phase in nanocomposites with TiN. Physical Review Materials, 2(9): 093608. doi:10.1103/PhysRevMaterials.2.093608.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-A349-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-A34C-0
Genre: Journal Article

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 Creators:
Fallqvist, Amie1, Author              
Olovsson, Weine2, Author              
Alling, Björn3, 4, Author              
Palisaitis, Justinas5, Author              
Belov, Maxim P.6, Author              
Abrikosov, Igor A.7, Author              
Hultman, Lars3, Author              
Persson, Per Ola Åke5, Author              
Affiliations:
1Department of Physics Chemistry and Biology, Linköping University, Linköping, SE-58183, Sweden, ou_persistent22              
2Theoretical Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, Linköping, Sweden, ou_persistent22              
3Department of Physics, Chemistry and Biology (IFM), Thin Film Physics Division, Linköping University, Linköping, Sweden, ou_persistent22              
4Adaptive Structural Materials (Simulation), Computational Materials Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863339              
5Thin Film Physics Division, Department of Physics, Chemistry, and Biology (IFM), Linköping University, Linköping, Sweden, ou_persistent22              
6Materials Modeling and Development Laboratory, NUST mISIS, Moscow, Russia, ou_persistent22              
7Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-58183 Linköping, Sweden, ou_persistent22              

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 Abstract: The TiN/SiNx nanocomposite and nanolaminate systems are the archetype for super if not ultrahard materials. Yet, the nature of the SiNx tissue phase is debated. Here, we show by atomically resolved electron microscopy methods that SiNx is epitaxially stabilized in a NaCl structure on the adjacent TiN(001) surfaces. Additionally, electron energy loss spectroscopy, supported by first-principles density functional theory calculations infer that SiNx hosts Si vacancies. © 2018 American Physical Society.

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Language(s): eng - English
 Dates: 2018-09-20
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevMaterials.2.093608
BibTex Citekey: Fallqvist2018
 Degree: -

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Title: Physical Review Materials
  Abbreviation : Phys. Rev. Mat.
Source Genre: Journal
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Publ. Info: College Park, MD : American Physical Society
Pages: - Volume / Issue: 2 (9) Sequence Number: 093608 Start / End Page: - Identifier: ISSN: 2475-9953
CoNE: https://pure.mpg.de/cone/journals/resource/2475-9953