A fast current generator, capable of sending unipolar pulses of up to 100 A into a superconductive sample, is described here. It is essentially a fast power amplifier, the gain of which is controlled by negative feedback. The shape of the output pulse thus accurately follows the input reference wave
Superconducting current switches for multiple superconducting critical current samples
โ Scribed by C.L. Snead Jr
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 205 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0011-2275
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
The transition from the flux pinning state to the full flux flow state occurs over a range of current in composite superconductors. The critical current, therefore, does not have a single, unique value, there being a distribution of critical currents throughout the composite. This Paper describes a
The critical currents of superconducting niobium-tantalum alloys were measured as a function of applied magnetic field and temperature for specimens in the form of a ribbon. The specimens had been tempered in ultra high vacuum at high temperature to eliminate the majority of defects. The results sho