About the Authors

Ali Ghavami

Affiliation Zernike Institute for Advanced Materials, University of Groningen, Groningen, the Netherlands

Erik van der Giessen

Affiliation Zernike Institute for Advanced Materials, University of Groningen, Groningen, the Netherlands

Patrick R. Onck

p.r.onck@rug.nl

Affiliation Zernike Institute for Advanced Materials, University of Groningen, Groningen, the Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AG EVDG PRO. Performed the experiments: AG. Analyzed the data: AG. Wrote the paper: AG EVDG PRO.