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@ARTICLE{Heinze:490849,
author = {Heinze, Stefan and Stark, Andreas and Hendl, Julius and
Leyens, Christoph},
title = {{I}nfluence of the {D}eposition {P}rocess on the
{C}r$_2$alc {P}hase {F}ormation {D}uring {H}eat {T}reatment
of {C}r-{A}l-{C} {T}hin {F}ilms},
issn = {1556-5068},
publisher = {Social Science Electronic Publ.},
reportid = {PUBDB-2022-08070},
year = {2022},
abstract = {This paper focuses on the Cr$_2$AlC phase formation during
annealing post-treatment, with amorphous Cr-Al-C and
(Cr,Al)$_2$C as initial phases in the as-deposited state.
The influence of the deposition process on the Cr$_2$AlC
formation, texture, and phase composition is investigated
and an in-depth discussion of the intermediate phase is
carried out. Cr-Al-C thin films were deposited by Direct
Current Magnetron Sputtering and High Power Pulsed Magnetron
Sputtering with the variation of the deposition temperature.
To investigate the microstructure, phase composition, and
texture, in situ synchrotron and high-temperature X-ray
diffraction experiments were conducted and accompanied by
electron microscopy. The Cr$_2$AlC formation can be
described as a temperature and time-dependent process with
one intermediate state characterized by the formation of the
disordered-Cr$_2$AlC phase. Disordered-Cr$_2$AlC shows a
similar unit cell to Cr$_2$AlC with an increased c/a ratio.
The ratio decreases during the phase formation resulting
from an ordering process. Formation temperatures depend on
the initial phase, with a decreased formation temperature
for (Cr,Al)$_2$C, and the deposition process. While the
(002) fiber texture of (Cr,Al)$_2$C inherited to Cr$_2$AlC,
Cr$_2$AlC originated from amorphous Cr-Al-C showed no
preferred orientation. The coatings contained Cr$_7$C$_3$ as
an additional phase, dependent on the deposition process and
initial phases.},
cin = {DOOR ; HAS-User / UDresden / Hereon},
ddc = {330},
cid = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)UDresden-20130903
/ I:(DE-H253)Hereon-20210428},
pnm = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal: I-20180296
(I-20180296)},
pid = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20180296},
experiment = {EXP:(DE-H253)P-P07-20150101},
typ = {PUB:(DE-HGF)25},
doi = {10.2139/ssrn.4168644},
url = {https://bib-pubdb1.desy.de/record/490849},
}