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Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials
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Superfluidity in the Second Layer of ^{4}He on Graphite

Jun Usami1,2,3, Hiroshi Fukuyama1,2

  • 1The University of Tokyo, Cryogenic Research Center, 2-11-16 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan.

Physical Review Letters
|August 10, 2026
PubMed

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