Search: WFRF:(Sortica Mauricio A.) >
Effect of nitrogen ...
Effect of nitrogen vacancies on the growth, dislocation structure, and decomposition of single crystal epitaxial (Ti1-xAlx)N-y thin films
-
- Calamba, Katherine (author)
- Linköpings universitet,Nanostrukturerade material,Tekniska fakulteten,Univ Lorraine, France; Sandvik Coromant AB, Sweden
-
- Salamania, Janella, 1992- (author)
- Linköpings universitet,Nanostrukturerade material,Tekniska fakulteten,Sandvik Coromant AB, Sweden
-
- Johansson, Mats P., 1965- (author)
- Linköpings universitet,Nanostrukturerade material,Tekniska fakulteten,SECO Tools AB, Sweden
-
show more...
-
- Johnson, L. J. S. (author)
- Sandvik Coromant AB, SE-12679 Stockholm, Sweden.
-
- Boyd, Robert, 1972- (author)
- Linköpings universitet,Plasma och ytbeläggningsfysik,Tekniska fakulteten
-
- Pierson, J. F. (author)
- Univ Lorraine, IJL, CNRS, F-54000 Nancy, France.
-
- Sortica, Mauricio A. (author)
- Uppsala universitet,Tandemlaboratoriet,Uppsala Univ, Sweden
-
- Primetzhofer, Daniel (author)
- Uppsala universitet,Tillämpad kärnfysik,Tandemlaboratoriet,Uppsala Univ, Sweden
-
- Odén, Magnus, 1965- (author)
- Linköpings universitet,Nanostrukturerade material,Tekniska fakulteten
-
show less...
-
(creator_code:org_t)
- Elsevier, 2021
- 2021
- English.
-
In: Acta Materialia. - : Elsevier. - 1359-6454 .- 1873-2453. ; 203
- Related links:
-
https://doi.org/10.1...
-
show more...
-
https://uu.diva-port... (primary) (Raw object)
-
https://doi.org/10.1...
-
https://liu.diva-por... (primary) (Raw object)
-
https://urn.kb.se/re...
-
https://doi.org/10.1...
-
https://urn.kb.se/re...
-
show less...
Abstract
Subject headings
Close
- The effect of varying nitrogen vacancies on the growth, microstructure, spinodal decomposition and hardness values of predominantly single crystal cubic phase c-(Ti1-xAlx)N-y films was investigated. Epitaxial c-(Ti1-xAlx)N-y films with y = 0.67, 0.79, and 0.92 were grown on MgO(001) and MgO(111) substrates by magnetron sputter deposition. High N vacancy c-(Ti1-xAlx)N-0.67 films deposited on MgO(111) contained coherently oriented w-(0001) structures while segregated conical structures were observed on the films grown on MgO(001). High resolution STEM images revealed that the N-deficient growth conditions induced segregation with small compositional fluctuations that increase with the number of N vacancies. Similarly, strain map analysis of the epitaxial c-(Ti1-xAlx)N-y (001) and (111) films show fluctuations in strain concentration that scales with the number of N vacancies and increases during annealing. The spinodal decomposition coarsening rate of the epitaxial c-(Ti1-xAlx)N-y films was observed to increase with decreasing N vacancies. Nanoindentation showed decreasing trends in hardness of the as-deposited films as the N vacancies increase. Isothermal post-anneal at 1100 degrees C in vacuum for 120 min revealed a continuation in the increase in hardness for the film with the largest number of N vacancies (y = 0.67) while the hardness decreased for the films with y = 0.79 and 0.92. These results suggest that nitrogen-deficient depositions of c-(Ti1-xAlx)N-y films help to promote a self-organized phase segregation, while higher N vacancies generally increase the coherency strain which delays the coarsening process and can influence the hardness at high temperatures.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Keyword
- Thin Films
- Nitrogen vacancies
- TiAlN system
- spinodal decomposition
Publication and Content Type
- ref (subject category)
- art (subject category)
Find in a library
To the university's database
- By the author/editor
-
Calamba, Katheri ...
-
Salamania, Janel ...
-
Johansson, Mats ...
-
Johnson, L. J. S ...
-
Boyd, Robert, 19 ...
-
Pierson, J. F.
-
show more...
-
Sortica, Maurici ...
-
Primetzhofer, Da ...
-
Odén, Magnus, 19 ...
-
show less...
- About the subject
-
- ENGINEERING AND TECHNOLOGY
-
ENGINEERING AND ...
-
and Materials Engine ...
-
and Metallurgy and M ...
-
- ENGINEERING AND TECHNOLOGY
-
ENGINEERING AND ...
-
and Materials Engine ...
-
and Other Materials ...
- Articles in the publication
-
Acta Materialia
- By the university
-
Uppsala University
-
Linköping University