Fabrication of β-Mo2C ultra-thin films by thermal annealing of molybdenum/carbon heterostructures

被引：2
|
作者：
Haberkorn, N. [1 ,2 ,3 ]
机构：
[1] Comis Nacl Energia Atom, Av Bustillo 9500, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
[2] Consejo Nacl Invest Cient & Tecn, Ctr Atom Bariloche, Av Bustillo 9500, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
[3] Univ Nacl Cuyo, Inst Balseiro, Av Bustillo 9500, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
来源：
MATERIALS LETTERS-X | 2019年 / 1卷
关键词：
Carbides; Sputtering; Superconductivity;
D O I：
10.1016/j.mlblux.2019.100004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Molybdenum carbide ultrathin thin films are obtained by thermal annealing of molybdenum/amorphous carbon heterostructures. The samples were grown at room temperature by magnetron sputtering on Si (1 0 0). As-grown samples display superconductivity, which could be related to the coexistence of crystalline and amorphous Mo. Interfacial beta-Mo2C phase is observed after thermal annealing at 1033 K. Annealed samples display sharp superconducting transitions. A difference in the maximum critical temperature observed in trilayers and multilayers could be related to superconducting coupling between beta-Mo2C layers. (C) 2019 The Author. Published by Elsevier B.V.
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页数：4
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