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The International Liquid Crystal Society

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Featured Liquid Crystal Picture Art of the Month

September 2025

© Jacques Azevedo Peixoto

Unfrustrated Cholesteric Phase


Relaxation of concentric cholesteric finger patterns in a frustrated chiral nematic mixture (E7 + S811, thickness/pitch ≈ 2) confined between ITO-coated glass (Homeotropic boundary conditions). The image was captured after removal of the electric field that generated the structures. Field of view: 1.15 × 0.85 mm.

Author


Jacques Azevedo Peixoto is a Ph.D. candidate at the Technische Universiteit Eindhoven (TU/e), Netherlands. He conducts his research within the Human Interactive Materials group under the supervision of Dr. Ir. Danqing Liu. His work focuses on the manipulation and generation of topological defects in liquid crystals through the use of light or applied electric fields. Furthermore, these metastable structures are explored as a means to functionalize liquid crystal polymers.

email address: jacques.peixoto@gmail.com

Website : https://danqingliu.nl/jacques-peixoto/

Jury Comment

This mesmerizing image captures both the elegance and scientific complexity of cholesteric finger relaxation, showcasing nature’s fingerprint-like self-organization and the beauty of frustrated chiral nematics in a striking circular motif.

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