Mapping the mechanical properties in nitride coatings at the nanometer scale

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

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Mapping the mechanical properties in nitride coatings at the nanometer scale. / Zhang, Zaoli; Chen, Zhuo; Holec, David et al.
in: Acta materialia, Jahrgang 194.2020, Nr. 1 August, 01.08.2020, S. 343-353.

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

Harvard

Zhang, Z, Chen, Z, Holec, D, Liebscher, C, Koutná, N, Bartosik, M, Zheng, YH, Dehm, G & Mayrhofer, PH 2020, 'Mapping the mechanical properties in nitride coatings at the nanometer scale', Acta materialia, Jg. 194.2020, Nr. 1 August, S. 343-353. https://doi.org/10.1016/j.actamat.2020.04.024

APA

Zhang, Z., Chen, Z., Holec, D., Liebscher, C., Koutná, N., Bartosik, M., Zheng, Y. H., Dehm, G., & Mayrhofer, P. H. (2020). Mapping the mechanical properties in nitride coatings at the nanometer scale. Acta materialia, 194.2020(1 August), 343-353. https://doi.org/10.1016/j.actamat.2020.04.024

Vancouver

Zhang Z, Chen Z, Holec D, Liebscher C, Koutná N, Bartosik M et al. Mapping the mechanical properties in nitride coatings at the nanometer scale. Acta materialia. 2020 Aug 1;194.2020(1 August):343-353. Epub 2020 Mai 15. doi: 10.1016/j.actamat.2020.04.024

Author

Zhang, Zaoli ; Chen, Zhuo ; Holec, David et al. / Mapping the mechanical properties in nitride coatings at the nanometer scale. in: Acta materialia. 2020 ; Jahrgang 194.2020, Nr. 1 August. S. 343-353.

Bibtex - Download

@article{94421e09c846461f9afa84ebdcd62b64,
title = "Mapping the mechanical properties in nitride coatings at the nanometer scale",
abstract = "We report on a multilayered structure comprising of rock-salt (rs) structured CrN layers of constant thickness and AlN layers of varying thicknesses, which surprisingly enables the growth of metastable zinc-blende (zb) AlN layers for certain layer-thickness combinations. The multilayer exhibits an atomic and electronic structure gradient as revealed using advanced electron microscopy and electron spectroscopy. Gradient structures are also accompanied by a modulation of the chemical compositions. A combined experimental analysis based on valence electrons and inner shell electrons allowed mapping the mechanical properties of the multilayer at the nanometer scale and further unveiled the effect of oxygen impurities on the bulk modulus. We found that the presence of oxygen impurities causes a remarkable reduction of the bulk modulus of rs-CrN while having no significant effect on the bulk modulus of the stable wurtzite structure wz-AlN layers. The findings are unambiguously validated by theoretical calculations using density functional theory.",
author = "Zaoli Zhang and Zhuo Chen and David Holec and Christian Liebscher and Nikola Koutn{\'a} and Matthias Bartosik and Zheng, {Yong Hui} and Gerhard Dehm and Mayrhofer, {Paul Heinz}",
note = "Publisher Copyright: {\textcopyright} 2020 Acta Materialia Inc.",
year = "2020",
month = aug,
day = "1",
doi = "10.1016/j.actamat.2020.04.024",
language = "English",
volume = "194.2020",
pages = "343--353",
journal = "Acta materialia",
issn = "1359-6454",
publisher = "Elsevier",
number = "1 August",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Mapping the mechanical properties in nitride coatings at the nanometer scale

AU - Zhang, Zaoli

AU - Chen, Zhuo

AU - Holec, David

AU - Liebscher, Christian

AU - Koutná, Nikola

AU - Bartosik, Matthias

AU - Zheng, Yong Hui

AU - Dehm, Gerhard

AU - Mayrhofer, Paul Heinz

N1 - Publisher Copyright: © 2020 Acta Materialia Inc.

PY - 2020/8/1

Y1 - 2020/8/1

N2 - We report on a multilayered structure comprising of rock-salt (rs) structured CrN layers of constant thickness and AlN layers of varying thicknesses, which surprisingly enables the growth of metastable zinc-blende (zb) AlN layers for certain layer-thickness combinations. The multilayer exhibits an atomic and electronic structure gradient as revealed using advanced electron microscopy and electron spectroscopy. Gradient structures are also accompanied by a modulation of the chemical compositions. A combined experimental analysis based on valence electrons and inner shell electrons allowed mapping the mechanical properties of the multilayer at the nanometer scale and further unveiled the effect of oxygen impurities on the bulk modulus. We found that the presence of oxygen impurities causes a remarkable reduction of the bulk modulus of rs-CrN while having no significant effect on the bulk modulus of the stable wurtzite structure wz-AlN layers. The findings are unambiguously validated by theoretical calculations using density functional theory.

AB - We report on a multilayered structure comprising of rock-salt (rs) structured CrN layers of constant thickness and AlN layers of varying thicknesses, which surprisingly enables the growth of metastable zinc-blende (zb) AlN layers for certain layer-thickness combinations. The multilayer exhibits an atomic and electronic structure gradient as revealed using advanced electron microscopy and electron spectroscopy. Gradient structures are also accompanied by a modulation of the chemical compositions. A combined experimental analysis based on valence electrons and inner shell electrons allowed mapping the mechanical properties of the multilayer at the nanometer scale and further unveiled the effect of oxygen impurities on the bulk modulus. We found that the presence of oxygen impurities causes a remarkable reduction of the bulk modulus of rs-CrN while having no significant effect on the bulk modulus of the stable wurtzite structure wz-AlN layers. The findings are unambiguously validated by theoretical calculations using density functional theory.

UR - http://www.scopus.com/inward/record.url?scp=85085733000&partnerID=8YFLogxK

U2 - 10.1016/j.actamat.2020.04.024

DO - 10.1016/j.actamat.2020.04.024

M3 - Article

VL - 194.2020

SP - 343

EP - 353

JO - Acta materialia

JF - Acta materialia

SN - 1359-6454

IS - 1 August

ER -