interesting timing with this hitting the front page yesterday: https://news.ycombinator.com/item?id=36864624
His major discovery, assuming it's real, is room-temp superconductivity in nitrogen-doped lutetium hydride. Trouble is, anything which contains lutetium is going to be intrinsically more scarce and much more expensive than the lead-and-copper RT superconductor that was announced a few days ago. Doped lutetium crystals are also much more difficult to prepare -- and, even more troublesome, it seems they only work at 1 GPa pressure, which is absolutely non-trivial and makes them much more difficult to utilize than commonplace superconductors that can simply be cooled with LN2.
...Oh, and it might not even be real. [1]
To have a different research group discover your holy grail, as you're stuck defending yourself from misconduct allegations, must be an incredibly bad feeling.