Assembling Ellipsoidal Particles at Fluid Interfaces using Switchable Dipolar Capillary Interactions

Abstract

The fabrication of novel soft materials is an important scientific and technological challenge. We investigate the response of magnetic ellipsoidal particles adsorbed at fluid-fluid interfaces to external magnetic fields. By exploiting previously discovered first-order orientation phase transitions we show how to switch on and off dipolar capillary interactions between particles, leading to the formation of distinctive self-assembled structures and allowing dynamic control of the bottom-up fabrication of reconfigurable novel-structured materials

5 pages, 5 Figures

References in corpus (2)

• Ellipsoidal particles at fluid interfaces
• Interface deformations affect the orientation transition of magnetic ellipsoidal particles adsorbed at fluid-fluid interfaces

Cited by in corpus (4)

• Magnetocapillary self-assemblies: locomotion and micromanipulation along a liquid interface
• Controlled Capillary Assembly of Magnetic Janus Particles at Fluid-Fluid Interfaces
• Elastocapillary driven assembly of particles at free-standing smectic-A films
• Biaxial nematic phase stability and demixing behaviour in monolayers of rod-plate mixtures