Search for proper conditions for deposition of X2BC coatings in
Mo-B-C, W-B-C, Nb-B-C and Ta-B-C systems

a 2022

Search for proper conditions for deposition of X2BC coatings in Mo-B-C, W-B-C, Nb-B-C and Ta-B-C systems

VAŠINA, Petr; Pavel SOUČEK; Stanislava DEBNÁROVÁ; Jaroslav ŽENÍŠEK; Mostafa ALISHAHI et al.

Základní údaje

Originální název

Search for proper conditions for deposition of X2BC coatings in Mo-B-C, W-B-C, Nb-B-C and Ta-B-C systems

Autoři

VAŠINA, Petr; Pavel SOUČEK; Stanislava DEBNÁROVÁ ; Jaroslav ŽENÍŠEK; Mostafa ALISHAHI; Saeed MIRZAEI; Michael KROKER; Vilma BURŠÍKOVÁ; Zsolt CZIGÁNY a Katalin BALÁZSI

Vydání

THE 22ND INTERNATIONAL VACUUM CONGRESS, 2022

Další údaje

Jazyk

angličtina

Typ výsledku

Konferenční abstrakt

Stát vydavatele

Japonsko

Utajení

není předmětem státního či obchodního tajemství

Označené pro přenos do RIV

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

magnetron; sputering; SEM; XRD; XBC

Příznaky

Mezinárodní význam

Změněno: 8. 1. 2024 14:06, doc. Mgr. Jaroslav Hnilica, Ph.D.

Anotace

V originále

Borides and carbides have been known for many decades. Their outstanding mechanical, electrical and thermal properties made them indispensable in the industry. The idea of combining these systems into a ternary X-B-C system naturally evolved. The X has been from all of the s, p d and f blocks of the periodic table of the elements. The orthorhombic Mo2BC phase, being the first with the X2BC stoichiometry, was described by Jeitschko in 1963 [1]. This structure attracted the interest for its superconducting properties. Sixty years later, this is still the only synthesised X2BC phase. A renaissance of the X2BC phases, this time in the form of the thin films, has begun in 2009 when the Mo2BC phase was prepared by direct current magnetron sputtering [2]. This phase showed highly unusual combination of high hardness and moderate ductility. Theoretical studies describing other crystalline ternary X2BC phases predicting the thermodynamic possibility of their preparation together with even better mechanical properties followed [3]. Since then, we have been studied several different systems from these predictions, including W-B-C, Nb-B-C and Ta-B-C. No definitive proof of the existence of any X2BC phase apart from the original Mo2BC phase was found. This contribution will cruise through the ups and downs of this research in the last decade. It will be shown that thin films from these systems can have interesting mechanical and thermal properties even without the formation of the desired and elusive X2BC phase. We will also sketch the possibilities for the future directions of the studies of the X2BCs.

Citovat

VAŠINA, Petr; Pavel SOUČEK; Stanislava DEBNÁROVÁ; Jaroslav ŽENÍŠEK; Mostafa ALISHAHI; Saeed MIRZAEI; Michael KROKER; Vilma BURŠÍKOVÁ; Zsolt CZIGÁNY a Katalin BALÁZSI. Search for proper conditions for deposition of X2BC coatings in Mo-B-C, W-B-C, Nb-B-C and Ta-B-C systems. In THE 22ND INTERNATIONAL VACUUM CONGRESS. 2022.

@proceedings{2358179,
   author = {Vašina, Petr and Souček, Pavel and Debnárová, Stanislava and Ženíšek, Jaroslav and Alishahi, Mostafa and Mirzaei, Saeed and Kroker, Michael and Buršíková, Vilma and Czigány, Zsolt and Balázsi, Katalin},
   booktitle = {THE 22ND INTERNATIONAL VACUUM CONGRESS},
   keywords = {magnetron; sputering; SEM; XRD; XBC},
   language = {eng},
   title = {Search for proper conditions for deposition of X2BC coatings in Mo-B-C, W-B-C, Nb-B-C and Ta-B-C systems},
   year = {2022}
}

TY  - CONF
ID  - 2358179
AU  - Vašina, Petr - Souček, Pavel - Debnárová, Stanislava - Ženíšek, Jaroslav - Alishahi, Mostafa - Mirzaei, Saeed - Kroker, Michael - Buršíková, Vilma - Czigány, Zsolt - Balázsi, Katalin
PY  - 2022
TI  - Search for proper conditions for deposition of X2BC coatings in Mo-B-C, W-B-C, Nb-B-C and Ta-B-C systems
KW  - magnetron
KW  - sputering
KW  - SEM
KW  - XRD
KW  - XBC
N2  - Borides and carbides have been known for many decades. Their outstanding mechanical, electrical and thermal properties made them indispensable in the industry. The idea of combining these systems into a ternary X-B-C system naturally evolved. The X has been from all of the s, p d and f blocks of the periodic table of the elements. The orthorhombic Mo2BC phase, being the first with the X2BC stoichiometry, was described by Jeitschko in 1963 [1]. This structure attracted the interest for its superconducting properties. Sixty years later, this is still the only synthesised X2BC phase. A renaissance of the X2BC phases, this time in the form of the thin films, has begun in 2009 when the Mo2BC phase was prepared by direct current magnetron sputtering [2]. This phase showed highly unusual combination of high hardness and moderate ductility. Theoretical studies describing other crystalline ternary X2BC phases predicting the thermodynamic possibility of their preparation together with even better mechanical properties followed [3]. Since then, we have been studied several different systems from these predictions, including W-B-C, Nb-B-C and Ta-B-C. No definitive proof of the existence of any X2BC phase apart from the original Mo2BC phase was found. This contribution will cruise through the ups and downs of this research in the last decade. It will be shown that thin films from these systems can have interesting mechanical and thermal properties even without the formation of the desired and elusive X2BC phase. We will also sketch the possibilities for the future directions of the studies of the X2BCs.
ER  -

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