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Gold Remembers: ‘Shape Memory’ Effect Demonstrated in Gold Particles

Self-Healing and Shape Memory Effects in Gold Microparticles through the Defects-Mediated Diffusion. Advanced Science, 2017; 1700159 DOI: 10.1002/advs.201700159

Self-Healing and Shape Memory Effects in Gold Microparticles through the Defects-Mediated Diffusion. Advanced Science, 2017; 1700159 DOI: 10.1002/advs.201700159

Researchers from the Technion-Israel Institute of Technology and Germany have demonstrated for the first time the phenomena of shape memory and self-healing in gold microparticles. Achieved through defects-mediated diffusion in the particle, the discovery could one day lead to development of micro- and nano-robots capable of self-repair; mechanically stable and damage-tolerant components and devices; and targeted drug delivery.

Shape-memory materials are characterized by the ability to repair the damage caused to them (such as plastic deformation) and to recover their original shape...

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