8-10 October 2018
INFN - Laboratori Nazionali di Legnaro
Europe/Rome timezone

Characterizations of superconducting materials at HZB with Quadrupole Resonator

10 Oct 2018, 09:50
25m
Villi Room (INFN - Laboratori Nazionali di Legnaro)

Villi Room

INFN - Laboratori Nazionali di Legnaro

Viale dell'Università 2, Legnaro (Padova) - Italy
RF and material characterization for SRF films RF characterization for SRF films

Speaker

Mr Dmitry Tikhonov (Helmholtz-Zentrum Berlin (HZB))

Description

At the present time more and more low temperature superconducting materials and compounds are being developed around the world for new applications in future accelerators and industry. However, the production processes and recipes are not fully developed and require measurement tools for studies and optimization. The Quadrupole Resonator (QPR) is a cavity that is able to perform the most complete and precise characterizations of superconducting materials. The HZB QPR makes RF characterizations of superconducting materials (such as surface resistance as a function of magnetic field and temperature) over a wide temperature and magnetic field range, at frequencies of 433, 866 and 1300 MHz. In this contribution we summarize the latest measurement results of compact “detachable lid sample”, produced by DESY from Large grain Nb and report on production status of 10 base samples in the “Research Instruments” (including Nb-Cu welded) that will be sent to interested stakeholders for thin film coating. Also we present current status and plans for new upgrades of HZB QPR.

Primary author

Mr Dmitry Tikhonov (Helmholtz-Zentrum Berlin (HZB))

Co-authors

Prof. Jens Knobloch (Helmholtz-Zentrum Berlin) Dr Oliver Kugeler (Helmholtz-Zentrum-Berlin) Mr Sebastian Keckert (Helmholtz-Zentrum Berlin) Dr Yegor Tamashevich (Helmholtz-Zentrum Berlin)

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