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Defects: Understanding Bulk Defects in Topological Insulators from Nuclear‐Spin Interactions (Adv. Funct. Mater. 11/2014)
Author(s) -
Koumoulis Dimitrios,
Leung Belinda,
Chasapis Thomas C.,
Taylor Robert,
King Daniel,
Kanatzidis Mercouri G.,
Bouchard LouisS.
Publication year - 2014
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.201470073
Subject(s) - topological insulator , materials science , spins , condensed matter physics , cover (algebra) , fermi level , spectroscopy , conductance , coupling (piping) , surface states , fermi surface , electron , surface (topology) , physics , superconductivity , quantum mechanics , geometry , mechanical engineering , mathematics , engineering , metallurgy
Beneath the surface of a topological insulator is the bulk region (represented by its band structure), whose conductance should be kept minimal. New reproducible tools are needed which do not interfere with the surface states. Such non‐invasive measurements of the bulk electronic properties can be provided by NMR spectroscopy, as shown by L.‐S. Bouchard and co‐workers on page 1519, which probes the resonant coupling of nuclear spins to the electrons near the Fermi level. Cover credit goes to Charlotte Gomez.