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|a (TOE)ost1164362
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|a (TOE)1164362
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|a E 1.99: doe/or/23177-3231
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|a E 1.99:jlab-acc-13-1803
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|a jlab-acc-13-1803
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|a Film Deposition, Cryogenic RF Testing and Materials Analysis of a Nb/Cu Single Cell SRF Cavity
|h [electronic resource]
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|a Washington, D.C. :
|b United States. Department of Energy. Office of Science ;
|a Oak Ridge, Tenn. :
|b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
|c 2013.
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|a text
|b txt
|2 rdacontent.
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|a computer
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|2 rdamedia.
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|a online resource
|b cr
|2 rdacarrier.
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|a Published through SciTech Connect.
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|a 09/01/2013.
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|a "jlab-acc-13-1803"
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|a " doe/or/23177-3231"
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|a SRF2013, 23-27 Sept 2013. Paris, France.
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|a Zhao, Xin; Geng, Rongli; Li, Yongming; Palczerski, Ari.
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|a In this study, we present preliminary results on using a cathodic-arc-discharge Nb plasma ion source to establish a Nb film-coated single-cell Cu cavity for SRF research. The polycrystalline Cu cavity was fabricated and mirror-surface-finished by a centrifugal barrel polishing (CBP) process at Jefferson Lab. Special pre-coating processes were conducted, in order to create a template-layer for follow-on Nb grain thickening. A sequence of cryogenic RF testing demonstrated that the Nb film does show superconductivity. But the quality factor of this Nb/Cu cavity is low as a result of high residual surface resistance. We are conducting a thorough materials characterization to explore if some microstructural defects or hydrogen impurities, led to such a low quality factor.
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|b AC05-06OR23177.
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|a Zhao, Xin
|4 aut.
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|a Geng, Rongli
|4 aut.
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| 700 |
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|a Li, Yongming
|4 aut.
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|a Palczerski, Ari
|4 aut.
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|a Thomas Jefferson National Accelerator Facility (U.S.).
|4 res.
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1 |
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|a United States.
|b Department of Energy.
|b Office of Science.
|4 spn.
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information.
|4 dst.
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|u http://www.osti.gov/servlets/purl/1164362/
|z Online Access
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|a .b80885093
|b 03-08-23
|c 08-04-15
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|a web
|b 08-04-15
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|p Can circulate
|a University of Colorado Boulder
|b Online
|c Online
|d Online
|e E 1.99: doe/or/23177-3231
|h Superintendent of Documents classification
|i web
|n 1
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