Publications

Joseph D Hutchinson, François A Lavergne, and Roel PA Dullens

Phys. Rev. Materials 2022 6 075604

Alloying has long been used to control the properties of crystalline materials. However, the microscopic details of the effects of adding impurities remains poorly understood, as directly imaging thes ...

Abstract | doi

Nicholas HP Orr, Taiki Yanagishima, Eric Maire, and Roel PA Dullens

Phys. Rev. Materials 2021 5 123605

We present a method to locate and characterize grain boundaries in polycrystalline materials from the real-space coordinates of their constituent particles. The method is robust against imperfections ...

Abstract | doi

Taiki Yanagishima, John Russo, Roel PA Dullens, and Hajime Tanaka

Phys. Rev. Mater. 2021 127 215501

We present a method to locate and characterize grain boundaries in polycrystalline materials from the real-space coordinates of their constituent particles. The method is robust against imperfections ...

Abstract | doi

Carla Fernandez-Rico, and Roel PA Dullens

Proc. Natl. Acad. Sci. U. S. A. 2021 118 2107241118

Self-assembly of microscopic building blocks into highly ordered and functional structures is ubiquitous in nature and found at all length scales. Hierarchical structures formed by colloidal building ...

Abstract | doi

Taiki Yanagishima, Yanyan Liu, Hajime Tanaka, and Roel PA Dullens

Phys. Rev. X 2021 11 021056

The rotational Brownian motion of colloidal spheres in dense suspensions reflects local hydrodynamics and contact forces, which are both key to nonlinear rheological phenomena such as shear-thickening ...

Abstract | doi

Bo Peng, Yanyan Liu, Dirk GAL Aarts, and Roel PA Dullens

Soft Matter 2021 17 1480

Photo-catalytically active crystalline TiO2 has attracted special attention due to its relevance for renewable energy and is typically obtained by the calcination of amorphous TiO2. However, stabilisi ...

Abstract | doi

Ivo Buttinoni, and Roel PA Dullens

J. Phys.- Mater. 2021 4 025001

We characterise the local mechanical properties of two-dimensional colloidal crystals with hexagonal symmetry assembled at the flat interface between oil and water. Our experiments elucidate the condi ...

Abstract | doi

Carla Fernandez-Rico, Jeffrey S Urbach, and Roel PA Dullens

Langmuir 2021 37 2900

Surface roughness plays an important role in determining the mechanical properties, wettability, and self-assembly in colloidal systems. In this work, we develop a simple and fast method to produce ro ...

Abstract | doi

Carla Fernandez-Rico, Massimiliano Chiappini, Taiki Yanagishima, Heidi de Sousa, Dirk GAL Aarts, Marjolein Dijkstra, and Roel PA Dulllens

Science 2020 369 950

Understanding the impact of curvature on the self-assembly of elongated microscopic building blocks, such as molecules and proteins, is key to engineering functional materials with predesigned structu ...

Abstract | doi

David O Morley, Alice L Thorneywork, Roel PA Dullens, and Mark Wilson

Phys. Rev. E 2020 101 042309

The properties of a wide range of two-dimensional network materials are investigated by developing a generalized network theory. The methods developed are shown to be applicable to a wide range of sys ...

Abstract | doi