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Physical Review Letters

Published on May 3, 2014

The structural and doping nature of native atomic defects in TiSe2 are identified and characterized using scanning tunneling microscopy or spectroscopy and ab initio calculations. The dominant single atom dopants we identify are intercalated Ti atoms, Se vacancies, and Se substitutions by residual iodine and oxygen.

Collaboration with UniFR and UCL/LCN.

Phys. Rev. Lett.112, 197001 (2014)