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Paramagnetic Cu-doped Bi2Te3 nanoplates (2014)

American Institute of Physics (AIP)

In: Applied Physics Letters

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Publication Date: 2014-02-04

Description: Uniform Cu-doped Bi 2 Te 3 hexagonal nanoplates with widths of ∼200 nm and thicknesses of ∼20 nm were synthesized using a solvothermal method. According to the structural characterization and compositional analysis, the Cu 2+ ions were found to substitute Bi 3+ ions in the lattice. High-level Cu doping induces a lattice distortion and decreases the crystal lattice by 1.17% in the a axis and 2.38% in the c axis. A paramagnetic state is observed in these nanoplates from 2 to 295 K, which is a significant difference from their diamagnetic un-doped Bi 2 Te 3 .

Print ISSN: 0003-6951

Electronic ISSN: 1077-3118

Topics: Physics

Published by American Institute of Physics (AIP)

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