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Core–Shell Structures Prepared by Atomic Layer Deposition on GaAs Nanowires
| Content Provider | MDPI |
|---|---|
| Author | Ursaki, Veaceslav V. Lehmann, Sebastian Zalamai, Victor V. Morari, Vadim Nielsch, Kornelius Tiginyanu, Ion M. Monaico, Eduard V. |
| Copyright Year | 2022 |
| Description | GaAs nanowire arrays have been prepared by anodization of GaAs substrates. The nanowires produced on (111)B GaAs substrates were found to be oriented predominantly perpendicular to the substrate surface. The prepared nanowire arrays have been coated with thin ZnO or $TiO_{2}$ layers by means of thermal atomic layer deposition (ALD), thus coaxial core–shell hybrid structures are being fabricated. The hybrid structures have been characterized by scanning electron microscopy (SEM) for the morphology investigations, by Energy Dispersive X-ray (EDX) and X-ray diffraction (XRD) analysis for the composition and crystal structure assessment, and by photoluminescence (PL) spectroscopy for obtaining an insight on emission polarization related to different recombination channels in the prepared core–shell structures. |
| Starting Page | 1145 |
| e-ISSN | 20734352 |
| DOI | 10.3390/cryst12081145 |
| Journal | Crystals |
| Issue Number | 8 |
| Volume Number | 12 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-08-15 |
| Access Restriction | Open |
| Subject Keyword | Crystals Nanowires Coaxial Core–shell Structures Anodization Atomic Layer Deposition Photoluminescence Spectroscopy Emission Polarization |
| Content Type | Text |
| Resource Type | Article |
