Journal
PHYSICAL REVIEW LETTERS
Volume 105, Issue 14, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.146801
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Funding
- JSPS [20340092]
- Grants-in-Aid for Scientific Research [20340092] Funding Source: KAKEN
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We report the first observation of a topological surface state on the (111) surface of the ternary chalcogenide TlBiSe2 by angle-resolved photoemission spectroscopy. By tuning the synchrotron radiation energy we reveal that it features an almost ideal Dirac cone with the Dirac point well isolated from bulk continuum states. This suggests that TlBiSe2 is a promising material for realizing quantum topological transport.
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