Abstract
We apply Lloyd's mirror photoemission electron microscopy (PEEM) to study the surface shape of Ga droplets on GaAs(001). An unusual rectangular-based droplet shape is identified and the contact angle is determined in situ. It is shown that quenching does not appreciably affect droplet shape and ex situ measurements of the contact angle by atomic force microscopy are in good agreement with Lloyd's mirror PEEM. Extension of Lloyd's mirror technique to reconstruct general three-dimensional (3D) surface shapes and the potential use of synchrotron radiation to improve vertical resolution is discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 1-5 |
| Journal | Journal of Physics: Condensed Matter |
| Volume | 21 |
| Issue number | 31 |
| DOIs | |
| Publication status | Published - 2009 |
Keywords
- Condensed Matter Characterisation Technique Development
- Optical Physics
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