Medzelas, Nojus (2025) Low-Temperature Synthesis of Co-Doped SnSe. Bachelor's Thesis, Chemistry.
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Abstract
In this thesis, a hydrothermal synthesis method of SnSe was investigated and optimized for cobalt doping. Post-synthesis aqueous autoclave doping proved most effective in producing a clean product. Powder XRD confirmed the orthorhombic SnSe phase with minor secondary phases, namely SnO2 and elemental cobalt. SEM and EDAX were used to confirm the typical microplate morphology and homogeneous Co distribution. Magnetic measurements revealed paramagnetic behavior with negative Weiss temperatures and unexpectedly large effective moments for Co. The data suggest that Co nanoclusters were formed, which could give rise to superparamagnetic properties. However, further analysis is needed to clarify the findings, especially the nature of the cobalt species.
| Item Type: | Thesis (Bachelor's Thesis) |
|---|---|
| Supervisor name: | Blake, G.R. and Noheda, B. and Xin, F. |
| Degree programme: | Chemistry |
| Thesis type: | Bachelor's Thesis |
| Language: | English |
| Date Deposited: | 15 Jul 2025 08:35 |
| Last Modified: | 15 Jul 2025 08:35 |
| URI: | https://fse.studenttheses.ub.rug.nl/id/eprint/36186 |
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