Strong ferromagnetism of g-C3N4 achieved by atomic manipulation

Lina Du, Bo Gao, Song Xu and Qun Xu ()
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Lina Du: Zhengzhou University
Bo Gao: Zhengzhou University
Song Xu: Zhengzhou University
Qun Xu: Zhengzhou University

Nature Communications, 2023, vol. 14, issue 1, 1-8

Abstract: Abstract Two-dimensional (2D) metal-free ferromagnetic materials are ideal candidates to fabricate next-generation memory and logic devices, but optimization of their ferromagnetism at atomic-scale remains challenging. Theoretically, optimization of ferromagnetism could be achieved by inducing long-range magnetic sequence, which requires short-range exchange interactions. In this work, we propose a strategy to enhance the ferromagnetism of 2D graphite carbon nitride (g-C3N4), which is facilitating the short-range exchange interaction by introducing in-planar boron bridges. As expected, the ferromagnetism of g-C3N4 was significantly enhanced after the introduction of boron bridges, consistent with theoretical calculations. Overall, boosting ferromagnetism of 2D materials by introducing bridging groups is emphasized, which could be applied to manipulate the magnetism of other materials.

Date: 2023
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DOI: 10.1038/s41467-023-38012-8

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