Bauer, Benedikt and Hubmann, Joachim and Lohr, Matthias and Reiger, Elisabeth and Bougeard, Dominique and Zweck, Josef (2014) Direct detection of spontaneous polarization in wurtzite GaAs nanowires. APPLIED PHYSICS LETTERS, 104 (21): 211902. ISSN 0003-6951, 1077-3118
Full text not available from this repository. (Request a copy)Abstract
We demonstrate the direct detection of spontaneous polarization in the wurtzite crystal phase of gallium-arsenide (GaAs) nanowires. Using differential phase contrast microscopy (DPC) in a scanning transmission electron microscope, we map the differences in charge distribution between the zinc-blende and wurtzite crystal phases and use twin defects in the zinc-blende phase to quantify the polarization strength. The value of 2.7 x 10(-3) C/m(2) found for the polarization strength matches well with theoretical predictions. (C) 2014 AIP Publishing LLC.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | HETEROSTRUCTURES; MICROSCOPY; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Josef Zweck |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 23 Sep 2019 12:45 |
| Last Modified: | 23 Sep 2019 12:45 |
| URI: | https://pred.uni-regensburg.de/id/eprint/10162 |
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