In-plane anisotropic electronics based on low-symmetry 2D materials: progress and prospects

Area of Science:

• Materials Science
• Condensed Matter Physics
• Nanotechnology

Background:

• Low-symmetry layered materials, like black phosphorus (BP), are gaining attention for their high mobility and in-plane anisotropic characteristics.
• Anisotropic properties are closely linked to the structural features of low-symmetry materials, driving research into new compounds.

Purpose of the Study:

• To review recent experimental advancements in low-symmetry layered materials.
• To explore their anisotropic electrical transport, magneto-transport, optoelectronic, thermoelectric, ferroelectric, and piezoelectric properties.

Main Methods:

• Literature review of experimental studies on low-symmetry layered materials.
• Analysis of reported anisotropic properties and their relationship to material structure.

Main Results:

• Compilation of recent experimental progress in synthesizing and characterizing low-symmetry layered materials.
• Summary of diverse anisotropic properties, including electrical, optical, thermal, and electromechanical responses.

Conclusions:

• The exploration of new low-symmetry layered materials with high anisotropy is crucial.
• These materials offer significant potential for developing next-generation anisotropic multifunctional electronic devices.