Stuart Wilde
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View article: Cryogenics Performance of the Vertical Cryostat for Qualifying ESS-SRF High Beta Cavities
Cryogenics Performance of the Vertical Cryostat for Qualifying ESS-SRF High Beta Cavities Open
An innovative vertical cryostat has been developed and commissioned at STFC Daresbury Laboratory for qualifying the high-beta SRF cavities for the ESS (European Spallation Source). The cryostat is designed to test 3 dressed cavities in hor…
View article: Design, Assembly and Commissioning of a New Cryogenic Facility for Complex Superconducting Thin Film Testing
Design, Assembly and Commissioning of a New Cryogenic Facility for Complex Superconducting Thin Film Testing Open
An ongoing study on the superconducting thin films for future superconducting RF cavities requires an intense testing of various superconducting properties. We have designed, built and tested a new facility for complex superconducting thin…
View article: DC Magnetism of Niobium Thin Films
DC Magnetism of Niobium Thin Films Open
Niobium thin films were deposited onto a-plane sapphire with varying kinetic energy and varying substrate temperature. There were no consistent trends which related the particle energy or substrate temperature to RRR. The sample which disp…
View article: Development of superconducting thin films for use in SRF cavity applications
Development of superconducting thin films for use in SRF cavity applications Open
Superconducting thin films are a possible alternative to bulk niobium for superconducting radio frequency cavity applications. Thin film cavities have produced larger Q0 than bulk niobium at low accelerating voltages [1], are less suscepti…
View article: Physical Vapour Deposition of NbTiN Thin Films for Superconducting RF Cavities
Physical Vapour Deposition of NbTiN Thin Films for Superconducting RF Cavities Open
The production of superconducting coatings for radio frequency cavities is a rapidly developing field that should ultimately lead to acceleration gradients greater than those obtained by bulk Nb RF cavities. The use of thin films made from…
View article: DC magnetism of Niobium thin films
DC magnetism of Niobium thin films Open
Niobium thin films were deposited onto a-plane sapphire with varying kinetic energy and varying substrate temperature. There were no consistent trends which related the particle energy or substrate temperature to RRR. The sample which disp…
View article: New Material Studies in the Cornell Sample Host Cavity
New Material Studies in the Cornell Sample Host Cavity Open
Cornell has developed a TE mode sample host microwave cavity in order to study large, flat samples of novel SRF materials. In recent calibration tests, the cavity was shown to reach peak magnetic fields on the sample plate of >100 mT and a…