https://www.nist.gov/news-events/events/2015/07/search-majorana-fermions-bi2se3-and-cu02bi2se3-using-4k-mk-stm-w-or-nb
Search for Majorana Fermions on Bi2Se3 and Cu0.2Bi2Se3 Using 4K & mK-STM with W or Nb Tips | NIST
May 13, 2016 - The search for Majorana Fermions in condense matter physics has been getting a lot of attention in the last few years