Physics

Three-dimensional skyrmionic cocoons in magnetic multilayers

M. Grelier, F. Godel, et al.

This groundbreaking research led by Matthieu Grelier and colleagues unveils the exciting discovery of three-dimensional magnetic textures called 'skyrmionic cocoons' within magnetic thin film aperiodic multilayers. With their intriguing properties and detection capabilities, these findings promise to reshape the understanding of magnetic phenomena at room temperature.

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Abstract

This paper reports the observation of three-dimensional (3D) magnetic textures, termed 'skyrmionic cocoons', within magnetic thin film aperiodic multilayers. These ellipsoidal objects coexist with tubular skyrmions, exhibiting distinct contrasts in room-temperature magnetic force microscopy (MFM). Micromagnetic simulations investigated their chiral and topological properties, and magneto-transport measurements demonstrated their electrical detectability.

Publisher

Nature Communications

Published On

Nov 11, 2022

Authors

Matthieu Grelier, Florian Godel, Aymeric Vecchiola, Sophie Collin, Karim Bouzehouane, Albert Fert, Vincent Cros, Nicolas Reyren

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