Abstract
Semi-free As 2S 3 glass flakes undergo sub-mm scale anisot ropic deformation upon illumination of linearly-polarized cw bandgap light. The mechanism has been ascribed to photo induced birefringence, optical torque, and photo-induced flu idity. Quantitative measurements demonstrate that generated optical torque is ∼10 -20 Nm under a light intensity of 1 mW. This value combined with measured deformation rates for As 2S 3 cantilevers suggests a related photo-induced fluidity of 10 -1 P -1, which is much more fluidal (∼ten orders) than that reported in the conventional photo-induced fluidity. Reasons for this discrepancy are discussed.
Original language | English |
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Pages (from-to) | 892-897 |
Number of pages | 6 |
Journal | Physica Status Solidi (A) Applications and Materials Science |
Volume | 206 |
Issue number | 5 |
DOIs | |
Publication status | Published - 2009 May 1 |
Externally published | Yes |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Surfaces and Interfaces
- Surfaces, Coatings and Films
- Electrical and Electronic Engineering
- Materials Chemistry