Characterization of Nb coating in HIE-ISOLDE QWR superconducting accelerating cavities by means of SEM-FIB and TEM

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The Quarter Wave Resonators (QWR) high-β cavities (0.3 m diameter and 0.9 m height) are made from OFE 3D-forged copper and are coated by DC-bias diode sputtering with a thin superconducting layer of niobium. The Nb film thickness, morphology, purity and quality are critical parameters for RF perform...

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Detalles Bibliográficos
Autores principales: Bartova, Barbora, Sublet, Alban Rene Maurice, Taborelli, M, Aebersold, A B, Alexander, D T L, Cantoni, M, Calatroni, Sergio
Lenguaje:eng
Publicado: 2015
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/2017412

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