jd's Journal: Isotopic purity matters

https://sst.semiconductor-digest.com/2020/02/theres-still-plenty-of-room-at-the-bottom-isotopically-pure-materials-for-when-every-atom-counts/

Yes, it really does matter if wafers for regular semiconductors are not isotopically pure. Likewise, it matters if the materials in other computer hardware are not isotopically pure.

The question is, how pure can you get things before cost exceeds benefit?