Two-dimensional chalcogenide-based ferromagnetic semiconductors

Area of Science:

• Materials Science
• Condensed Matter Physics
• Nanotechnology

Background:

• Two-dimensional (2D) magnetic materials are gaining significant attention for their unique physical properties.
• The pursuit of room-temperature ferromagnetic (FM) semiconductors in 2D materials is critical for advanced spintronics.
• Intrinsic ferromagnetism in 2D materials, tunable by external fields, shows great application promise.

Purpose of the Study:

• To review various types of 2D chalcogenide-based FM semiconductors.
• To compare their physical properties, including crystal and electronic structures, and mechanical stability.
• To summarize recent advancements in theoretical predictions and experimental regulation of 2D FM semiconductors.

Main Methods:

• Literature review of 2D chalcogenide-based FM semiconductors.
• Summary and comparison of material properties (crystal structure, electronic structure, mechanical stability).
• Analysis of theoretical models for 2D magnetism and experimental regulation methods.

Main Results:

• 2D chalcogenide-based FM semiconductors exhibit high Curie temperatures (Tc) and structural stability.
• These materials demonstrate potential for achieving room-temperature ferromagnetism at atomic-layer thickness.
• Tunability of magnetism via external fields is a key feature.

Conclusions:

• 2D chalcogenide-based FM semiconductors are promising candidates for room-temperature spintronics devices.
• Their inherent stability and high Curie temperatures are significant advantages.
• Further research in theoretical prediction and experimental control will advance their application.