Bi2SeTe2 is a topological insulator vdW layered crystal. It has the same crystal structure as Bi2Se3 and Bi2Te3, it only differs in that Se and Te atoms are alloyed to retain impressive topological insulator state rivaling to Bi2Te3. Bi2SeTe3 crystal composition can be written as Bi2Se3(x)Te3(1-x) where x=1/3. Bi2SeTe2 crystals have been synthesized using three (3) different methods, chemical vapor transport (CVT), flux zone growth, and Bridgman technique. Owing to its high crystallinity and high purity we strongly recommend flux zone or Bridgman growth methods as a synthesis choice. Our crystals measure world record <1cm in lateral sizes, they are perfectly oriented along 0001 direction, and are ready for exfoliation. Crystals are stable in air thus no special storage advised. 

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