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Adv Mater. 2016 Jul;28(25):5088-92. doi: 10.1002/adma.201505754. Epub 2016 May 04.

Phase Change of Gallium Enables Highly Reversible and Switchable Adhesion.

Advanced materials (Deerfield Beach, Fla.)

Zhou Ye, Guo Zhan Lum, Sukho Song, Steven Rich, Metin Sitti

Affiliations

  1. Max Planck Institute for Intelligent Systems, 70569, Stuttgart, Germany.
  2. Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh,, PA 15213, USA.
  3. School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, 639798, Singapore.

PMID: 27146217 DOI: 10.1002/adma.201505754

Abstract

Gallium exhibits highly reversible and switchable adhesion when it undergoes a solid-liquid phase transition. The robustness of gallium is notable as it exhibits strong performance on a wide range of smooth and rough surfaces, under both dry and wet conditions. Gallium may therefore find numerous applications in transfer printing, robotics, electronic packaging, and biomedicine.

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: gallium; manipulation; phase changes; reversible adhesion; switchability

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