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Journal article

Experimental realization of a three-dimensional topological insulator, Bi2Te3.

Abstract:

Three-dimensional topological insulators are a new state of quantum matter with a bulk gap and odd number of relativistic Dirac fermions on the surface. By investigating the surface state of Bi2Te3 with angle-resolved photoemission spectroscopy, we demonstrate that the surface state consists of a single nondegenerate Dirac cone. Furthermore, with appropriate hole doping, the Fermi level can be tuned to intersect only the surface states, indicating a full energy gap for the bulk states. Our re...

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Publication status:
Published

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Publisher copy:
10.1126/science.1173034

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Journal:
Science (New York, N.Y.)
Volume:
325
Issue:
5937
Pages:
178-181
Publication date:
2009-07-01
DOI:
EISSN:
1095-9203
ISSN:
0036-8075
Source identifiers:
214199
Language:
English
Pubs id:
pubs:214199
UUID:
uuid:2363b109-ce54-46fc-8c17-f2f5426e6f9b
Local pid:
pubs:214199
Deposit date:
2012-12-19

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