Size and dimensionality effects in superconducting Mo thin films

Fábrega, Lourdes; Camón, Agustin; Fernández Martínez, Ivan; Sesé, Javier; Parra Borderías, Maria; Gil, Oscar; Gonzalez Arrabal, Raquel; Costa Krämer, Jose L. y Briones Fernández-Pola, Fernando (2011). Size and dimensionality effects in superconducting Mo thin films. "Superconductor Science Technololgy", v. 24 (n. 7); pp. 1-7. ISSN 1361-6668. https://doi.org/10.1088/0953-2048/24/7/075014.

Descripción

Título: Size and dimensionality effects in superconducting Mo thin films
Autor/es:
  • Fábrega, Lourdes
  • Camón, Agustin
  • Fernández Martínez, Ivan
  • Sesé, Javier
  • Parra Borderías, Maria
  • Gil, Oscar
  • Gonzalez Arrabal, Raquel
  • Costa Krämer, Jose L.
  • Briones Fernández-Pola, Fernando
Tipo de Documento: Artículo
Título de Revista/Publicación: Superconductor Science Technololgy
Fecha: 2011
Volumen: 24
Materias:
Escuela: E.T.S.I. Industriales (UPM)
Departamento: Ingeniería Nuclear [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Molybdenum is a low Tc, type I superconductor whose fundamental properties are poorly known. Its importance as an essential constituent of new high performance radiation detectors, the so-called transition edge sensors (TESs) calls for better characterization of this superconductor, especially in thin film form. Here we report on a study of the basic superconducting features of Mo thin films as a function of their thickness. The resistivity is found to rise and the critical temperature decreases on decreasing film thickness, as expected. More relevant, the critical fields along and perpendicular to the film plane are markedly different, thickness dependent and much larger than the thermodynamic critical field of Mo bulk. These results are consistent with a picture of type II 2D superconducting films, and allow estimates of the fundamental superconducting lengths of Mo. The role of morphology in determining the 2D and type II character of the otherwise type I molybdenum is discussed. The possible consequences of this behaviour on the performance of radiation detectors are also addressed

Más información

ID de Registro: 11450
Identificador DC: http://oa.upm.es/11450/
Identificador OAI: oai:oa.upm.es:11450
Identificador DOI: 10.1088/0953-2048/24/7/075014
URL Oficial: http://iopscience.iop.org/0953-2048/24/7/075014
Depositado por: Memoria Investigacion
Depositado el: 23 Jul 2012 12:57
Ultima Modificación: 20 Abr 2016 19:31
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