Here is an article with a bit more info about Iron Nitride (it has quotes from Professor Jian-Ping Wang who is cited in the original link). https://www.electro

Here is an article with a bit more info about Iron Nitride (it has quotes from Professor Jian-Ping Wang who is cited in the original link). https://www.electronicsweekly.com/news/research-news/rare-earth-free-magnet-made-from-cheap-materials-2016-05/ https://www.electronicsweekly.com/news/research-news/rare-ea... Looks like there is a way to go before commercialization, but then that article was written in May 2016 so maybe they've improved the process since then. > It is only a tiny sample, a film 500nm thick, but it is the real thing.