Finemet versus Ferrite — Pros and Cons
نویسنده
چکیده
There is a new magnetic alloy called Finemet which has very constant μ′pQf up to ∼2 kG and is very stable at high magnet flux density and temperature. It may be a good candidate for high-gradient rf cavities.However, it has a rather low quality factor and is therefore very lossy. We compare the pros and cons of Finemet versus the common ferrite, when used in low-energy accelerating cavities, insertion for space-charge compensation, and barrier cavities.
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