Barringer, Zachary;
Jiang, Jie;
Shi, Xiaowen;
Schold, Elijah;
Pateras, Anastasios;
Cipiccia, S;
Rau, C;
... Fohtung, Edwin; + view all
(2021)
Imaging defects in vanadium(iii) oxide nanocrystals using Bragg coherent diffractive imaging.
CrystEngComm
, 23
(36)
pp. 6239-6244.
10.1039/d1ce00736j.
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Abstract
Defects in strongly correlated materials such as V2O3 play influential roles on their electrical properties. Understanding the defects' structure is of paramount importance. In this project, we investigate defect structures in V2O3 grown via a flux method. We use AFM to see surface features in several large flake-like particles that exhibit characteristics of spiral growth. We also use Bragg coherent diffractive imaging (BCDI) to probe in 3 dimensions a smaller particle without flake-like morphology and note an absence of the pure screw dislocation characteristic of spiral growth. We identified and measured several defects by comparing the observed local displacement of the crystal, measured via BCDI to well-known models of the displacement around defects in the crystal. We identified two Image ID:d1ce00736j-t1.gif partial dislocations in the crystal. We discuss how defects of different types influence the morphology of V2O3 crystals grown via a flux method.
| Type: | Article |
|---|---|
| Title: | Imaging defects in vanadium(iii) oxide nanocrystals using Bragg coherent diffractive imaging |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1039/d1ce00736j |
| Publisher version: | https://doi.org/10.1039/D1CE00736J |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng UCL > Provost and Vice Provost Offices > UCL BEAMS UCL |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10152551 |
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