Chen, Zhi-Gang and Yang, Lei and Ma, Song and Cheng, Lina and Han, Guang and Zhang, Zhi-Dong and Zou, Jin (2014) Paramagnetic Cu-doped Bi2Te3 nanoplates. Applied Physics Letters, 104 (5). 053105-1. ISSN 0003-6951
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Abstract
Uniform Cu-doped Bi2Te3 hexagonal nanoplates with widths of ∼200nm and thicknesses of ∼20nm were synthesized using a solvothermal method. According to the structural characterization and compositional analysis, the Cu2+ ions were found to substitute Bi3+ 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 295K, which is a significant difference from their diamagnetic un-doped Bi 2Te3.
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| Item Type: | Article (Commonwealth Reporting Category C) |
|---|---|
| Refereed: | Yes |
| Item Status: | Live Archive |
| Additional Information: | Access to published version in accordance with the copyright policy of the publisher. |
| Faculty/School / Institute/Centre: | No Faculty |
| Date Deposited: | 20 Jun 2017 23:14 |
| Last Modified: | 27 Jun 2017 02:37 |
| Uncontrolled Keywords: | compositional analysis; cu-doped; cu-doping; lattice distortions; nanoplates; paramagnetic state; solvothermal method; nanotechnology |
| Fields of Research : | 03 Chemical Sciences > 0303 Macromolecular and Materials Chemistry > 030302 Nanochemistry and Supramolecular Chemistry |
| Socio-Economic Objective: | E Expanding Knowledge > 97 Expanding Knowledge > 970103 Expanding Knowledge in the Chemical Sciences |
| Identification Number or DOI: | 10.1063/1.4863966 |
| URI: | http://eprints.usq.edu.au/id/eprint/31704 |
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