Paramagnetic Cu-doped Bi2Te3 nanoplates

Chen, Zhi-Gang, Yang, Lei, Ma, Song, Cheng, Lina, Han, Guang, Zhang, Zhi-dong and Zou, Jin (2014) Paramagnetic Cu-doped Bi2Te3 nanoplates. Applied Physics Letters, 104 5: . doi:10.1063/1.4863966

Author Chen, Zhi-Gang
Yang, Lei
Ma, Song
Cheng, Lina
Han, Guang
Zhang, Zhi-dong
Zou, Jin
Title Paramagnetic Cu-doped Bi2Te3 nanoplates
Journal name Applied Physics Letters   Check publisher's open access policy
ISSN 0003-6951
Publication date 2014-02-01
Year available 2014
Sub-type Article (original research)
DOI 10.1063/1.4863966
Open Access Status DOI
Volume 104
Issue 5
Total pages 5
Place of publication College Park, MD United States
Publisher American Institute of Physics
Language eng
Formatted abstract
 Uniform Cu-doped Bi2Te3 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 Cu2þ ions were found to substitute Bi3þ 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
signi´Čücant difference from their diamagnetic un-doped Bi2Te3.
Keyword Topological Insulator Nanoribbons
Chemical Intercalation
Magnetic properties
Surface states
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

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