Iron-Nitride Magnets
I don't recall if anyone has discussed this here.
http://license.umn.edu/technologies/20120016_iron-nitride-permanent-magnet-alternative-to-rare-earth-and-neodymium-magnets
I don't remember where I was reading it, but I saw somewhere that it's strength is like N130 or so.
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Oh yeah. It's in the patent. It's N134.