Correlating structural and mechanical properties of AlN / TiN superlattice films
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In: Scripta materialia, Vol. 165.2019, No. May, 01.05.2019, p. 159-163.
Research output: Contribution to journal › Article › Research › peer-review
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TY - JOUR
T1 - Correlating structural and mechanical properties of AlN / TiN superlattice films
AU - Koutná, Nikola
AU - Rehák, Petr
AU - Chen, Zhuo
AU - Bartosik, Matthias
AU - Fallmann, Markus
AU - Cerny, Miroslav
AU - Zhang, Zhaoli
AU - Friák, Martin
AU - Šob, Mojmír
AU - Mayrhofer, Paul Heinz
AU - Holec, David
PY - 2019/5/1
Y1 - 2019/5/1
N2 - Combining first-principles and experimental techniques, we establish Young's modulus dependence of AlN/TiN superlattices on the film-forming phases, their thicknesses and crystallographic orientations. The disparate character of cleavage properties within different layers of the superlattice—providing indications regarding crack initiation processes—is linked to the changes in bond lengths. Such changes present a direct consequence of the predicted interplanar spacing oscillations which are experimentally confirmed by high resolution transmission electron microscopy analyses.
AB - Combining first-principles and experimental techniques, we establish Young's modulus dependence of AlN/TiN superlattices on the film-forming phases, their thicknesses and crystallographic orientations. The disparate character of cleavage properties within different layers of the superlattice—providing indications regarding crack initiation processes—is linked to the changes in bond lengths. Such changes present a direct consequence of the predicted interplanar spacing oscillations which are experimentally confirmed by high resolution transmission electron microscopy analyses.
UR - http://www.scopus.com/inward/record.url?scp=85062233821&partnerID=8YFLogxK
U2 - 10.1016/j.scriptamat.2019.02.021
DO - 10.1016/j.scriptamat.2019.02.021
M3 - Article
VL - 165.2019
SP - 159
EP - 163
JO - Scripta materialia
JF - Scripta materialia
SN - 1359-6462
IS - May
ER -