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Massive Dirac fermion on the surface of a magnetically doped topological insulator.

Abstract:

In addition to a bulk energy gap, topological insulators accommodate a conducting, linearly dispersed Dirac surface state. This state is predicted to become massive if time reversal symmetry is broken, and to become insulating if the Fermi energy is positioned inside both the surface and bulk gaps. We introduced magnetic dopants into the three-dimensional topological insulator dibismuth triselenide (Bi2Se3) to break the time reversal symmetry and further position the Fermi energy inside the g...

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Publication status:
Published

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Publisher copy:
10.1126/science.1189924

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Journal:
Science (New York, N.Y.)
Volume:
329
Issue:
5992
Pages:
659-662
Publication date:
2010-08-01
DOI:
EISSN:
1095-9203
ISSN:
0036-8075
Source identifiers:
214233
Language:
English
Pubs id:
pubs:214233
UUID:
uuid:0b2121e5-3ab5-4955-88b8-a38761724538
Local pid:
pubs:214233
Deposit date:
2012-12-19

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