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Influence of thermal annealing and of the substrate on sputter-deposited thin films from EUROFER97 on tungsten

E. Pitthan / T.T. Tran / D. Moldarev / M. Rubel / D. Primetzhofer

The modification of sputter-deposited films from EUROFER97 on tungsten during and after annealing were investigated in-situ and ex-situ. The annealing resulted in a densification of the film, formation of large grains, segregation of W at the surface, and the formation of Fe-W compounds at the interfacial region. Similar structural modifications were observed also for a film annealed on a MgO substrate, with an exception to the change in composition (no increase of W concentration). Results indicate that the substrate significantly affects thermally induced modifications of re-deposited EUROFER97.

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Influence of thermal annealing and of the substrate on sputter-deposited thin films from EUROFER97 on tungsten

E. Pitthan / T.T. Tran / D. Moldarev / M. Rubel / D. Primetzhofer

The modification of sputter-deposited films from EUROFER97 on tungsten during and after annealing were investigated in-situ and ex-situ. The annealing resulted in a densification of the film, formation of large grains, segregation of W at the surface, and the formation of Fe-W compounds at the interfacial region. Similar structural modifications were observed also for a film annealed on a MgO substrate, with an exception to the change in composition (no increase of W concentration). Results indicate that the substrate significantly affects thermally induced modifications of re-deposited EUROFER97.

Influence of thermal annealing and of the substrate on sputter-deposited thin films from EUROFER97 on tungsten

E. Pitthan / T.T. Tran / D. Moldarev / M. Rubel / D. Primetzhofer

The modification of sputter-deposited films from EUROFER97 on tungsten during and after annealing were investigated in-situ and ex-situ. The annealing resulted in a densification of the film, formation of large grains, segregation of W at the surface, and the formation of Fe-W compounds at the interfacial region. Similar structural modifications were observed also for a film annealed on a MgO substrate, with an exception to the change in composition (no increase of W concentration). Results indicate that the substrate significantly affects thermally induced modifications of re-deposited EUROFER97.

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Titel:

Influence of thermal annealing and of the substrate on sputter-deposited thin films from EUROFER97 on tungsten

Beteiligte:

E. Pitthan (Autor:in) / T.T. Tran (Autor:in) / D. Moldarev (Autor:in) / M. Rubel (Autor:in) / D. Primetzhofer (Autor:in)

Erschienen in:

Nuclear Materials and Energy, Vol 35, Iss , Pp 101449- (2023)

Erscheinungsdatum:

2023

ISSN:

DOI:

https://doi.org/10.1016/j.nme.2023.101449

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Unbekannt

Schlagwörter:

Nuclear engineering. Atomic power , TK9001-9401

Metadata by DOAJ is licensed under CC BY-SA 1.0

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