Final published version
Licence: CC BY: Creative Commons Attribution 4.0 International License
Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review
Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review
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TY - GEN
T1 - RF Characterisation of Bulk Niobium and Thin Film Coated Planar Samples at 7.8 GHz
AU - Seal, D.
AU - Malyshev, O. B.
AU - Valizadeh, R.
AU - Sian, T.
AU - Marks, H.
AU - Hryhorenko, O.
AU - Longuevergne, D.
AU - Pira, C.
AU - Chyhyrynets, E.
AU - Marshall, E.
AU - Burt, G.
N1 - Publisher Copyright: © 2022 Proceedings - Linear Accelerator Conference, LINAC. All rights reserved.
PY - 2022/9/16
Y1 - 2022/9/16
N2 - Research is ongoing into the use of superconducting thin films to replace bulk niobium for future radio frequency (RF) cavities. A key part of this research requires measuring the RF properties of candidate films. However, coating and testing thin films on full-sized cavities is both costly and time-consuming. Instead, films are typically deposited on small, flat samples and characterised using a test cavity. A cost-effective facility for testing such samples has recently been built and commissioned at Daresbury Laboratory. The facility allows for low power surface resistance measurements at a resonant frequency of 7.8 GHz, temperatures down to 4 K and sample surface magnetic fields up to 1 mT. A brief overview of this facility as well as recent results from measurements of both bulk Nb and thin film coated samples will be presented.
AB - Research is ongoing into the use of superconducting thin films to replace bulk niobium for future radio frequency (RF) cavities. A key part of this research requires measuring the RF properties of candidate films. However, coating and testing thin films on full-sized cavities is both costly and time-consuming. Instead, films are typically deposited on small, flat samples and characterised using a test cavity. A cost-effective facility for testing such samples has recently been built and commissioned at Daresbury Laboratory. The facility allows for low power surface resistance measurements at a resonant frequency of 7.8 GHz, temperatures down to 4 K and sample surface magnetic fields up to 1 mT. A brief overview of this facility as well as recent results from measurements of both bulk Nb and thin film coated samples will be presented.
U2 - 10.18429/JACoW-LINAC2022-THPOGE10
DO - 10.18429/JACoW-LINAC2022-THPOGE10
M3 - Conference contribution/Paper
AN - SCOPUS:85165649929
T3 - Proceedings - Linear Accelerator Conference, LINAC
SP - 819
EP - 822
BT - LINAC 2022 - International Linear Accelerator Conference, Proceedings
PB - JACoW Publishing
T2 - 31st International Linear Accelerator Conference, LINAC 2022
Y2 - 28 August 2022 through 2 September 2022
ER -