Graphitized Diamond by High Repetition Rate fs Laser

Internal Superparamagnetism

The graphitized structure formed inside diamond by high repetition rate fs laser exhibits unusual superparamagnetism, distinct from the common diamagnetism observed on the surface.

Wang, Hongrui · Liu, Bowen · Pang, Dongqing · Hu, Minglie

Optics Communications 2024

Advantages

Internal graphitized sample exhibits superparamagnetism

Surface graphitized sample shows diamagnetism