Melissa Beebe
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View article: Structural and Photoelectric Properties of Epitaxially Grown Vanadium Dioxide Thin Films on c-Plane Sapphire and Titanium Dioxide
Structural and Photoelectric Properties of Epitaxially Grown Vanadium Dioxide Thin Films on c-Plane Sapphire and Titanium Dioxide Open
Vanadium dioxide (VO 2 ) is one of the most extensively studied materials in the strongly correlated electron family capable of sustaining an insulator-to-metal transition. Here we present our studies of high-quality thin films of epitaxia…
View article: RF Results of Nb Coated SRF Accelerator Cavities via HiPIMS
RF Results of Nb Coated SRF Accelerator Cavities via HiPIMS Open
Bulk Nb SRF cavities are the preferred method for acceleration of charged particles. However, bulk Nb cavities suffer from variable RF performance, high cost and impose material & design restrictions on other components of a particle accel…
View article: Highly-Correlated Electron Behavior In Niobium And Niobium Compound Thin Films
Highly-Correlated Electron Behavior In Niobium And Niobium Compound Thin Films Open
Electron correlations are the root of many interesting phenomena in materials, including phase transitions such as superconductivity and insulator-to-metal transitions, which are of great interest both for scientific understanding and for …
View article: Time-resolved light-induced insulator-metal transition in niobium dioxide and vanadium dioxide thin films
Time-resolved light-induced insulator-metal transition in niobium dioxide and vanadium dioxide thin films Open
While vanadium dioxide (VO2) is one of the most extensively studied highly correlated materials, there are intriguing similarities and differences worth exploring in another highly correlated oxide, niobium dioxide (NbO2). Both materials e…
View article: Temperature and Microstructural Effects on the Superconducting Properties of Niobium Thin Films
Temperature and Microstructural Effects on the Superconducting Properties of Niobium Thin Films Open
Here, superconducting thin films have a wide range of dc and RF applications, from detectors to superconducting radio frequency. Amongst the most used materials, niobium (Nb) has the highest critical temperature (TC) and highest lower crit…
View article: Superconducting NbTiN thin films for superconducting radio frequency accelerator cavity applications
Superconducting NbTiN thin films for superconducting radio frequency accelerator cavity applications Open
Current superconducting radio frequency technology, used in various particle accelerator facilities across the world, is reliant upon bulk niobium superconducting cavities. Due to technological advancements in the processing of bulk Nb cav…
View article: Stoichiometry and thickness dependence of superconducting properties of niobium nitride thin films
Stoichiometry and thickness dependence of superconducting properties of niobium nitride thin films Open
The current technology used in linear particle accelerators is based on superconducting radio frequency (SRF) cavities fabricated from bulk niobium (Nb), which have smaller surface resistance and therefore dissipate less energy than tradit…