2,437 research outputs found
Hospital cost savings and other advantages of sutureless vs stented aortic valves for intermediate-risk elderly patients
No full textTo evaluate and compare the clinical outcomes and hospital costs of using sutureless aortic valves vs conventional stented aortic valves.sponsorship: Bart Meuris received lecture fees from Admedus, Sorin, and Edwards. Filip Rega received lecture fees from LivaNova and advisory fees from LivaNova and Medtronic. (Admedus, Sorin, Edwards, LivaNova, Medtronic)status: Publishe
Calculation of the electron mobility in III-V inversion layers with high-kappa dielectrics
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Dominant Processing Factors in Two-Step Fabrication of Pure Sulfide CIGS Absorbers
No full textPure sulfide CIGS solar cells are interesting candidates for standalone solar cells or top cells in a tandem configuration. To understand the limits and improve the power conversion efficiency of these devices, a comprehensive approach aimed at composition, interface, and process engineering should be employed. Here, the latter was explored. Using a two-step fabrication technique and one-variable-at-a-time methodology, we found the four processing factors affecting the absorber the most. While two were already backed by the previous literature, we found new and statistical evidence for two other important factors as well. The impact of alkali barrier diffusion was also established with statistical significance and under various processing conditions. Furthermore, the absorber roughness for samples without a barrier indicated a significant negative linear correlation with the devices’ efficiency. This contribution could aid engineers in more efficient process designs
Ballistic current in metal-oxide-semiconductor field-effect transistors: the role of device topology
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