At first, bottom thick h-BN (> 20 nm) are mechanically exfoliated from high-quality Next, single-layer graphene, tshininglhe-cBrNyst(a3lsoarn4dlatryaenrss)fearnreddgornapthhietermflaalklyesgarroewsneq3u0e0n ntmialltyhitcrkanSsifOer2reodn Si. on top of bottom h-BN insulator. For ...
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