Topological STM tip reveals evidence of 2D altermagnetism

Researchers fabricated a scanning tunneling microscope (STM) tip from a layered topological material that senses spin-related electronic states at atomic resolution. The approach provided evidence of 2D altermagnetism.

• STM tip is made from a layered topological material
• Senses spin-related electronic states at atomic resolution
• Provided evidence of 2D altermagnetism