Recent Advances in Unconventional Ferroelectrics and Multiferroics

Area of Science:

• Materials Science
• Condensed Matter Physics
• Nanotechnology

Background:

• Ferroic materials exhibit unique physical properties essential for next-generation electronic devices.
• Unconventional ferroelectric systems offer promising avenues beyond traditional materials.

Purpose of the Study:

• To systematically review emerging and unconventional ferroic materials.
• To explore the interplay between ferroelectricity and novel magnetic states in multiferroics.
• To discuss current challenges and future prospects in the field of ferroic materials.

Main Methods:

• Systematic literature review of ferroic materials research.
• Analysis of unconventional ferroelectric systems (e.g., Hf-based, stacking, polar metallicity, fractional quantum, wurtzite-type, freestanding membranes).
• Review of multiferroic materials, focusing on magnetic states and ferrovalley-ferroelectric coupling.

Main Results:

• Identification and categorization of diverse unconventional ferroelectric systems.
• Elucidation of the coupling between novel magnetic states and ferroelectricity.
• Exploration of ferrovalley-ferroelectric coupling phenomena.

Conclusions:

• Emerging ferroic materials are critical for advancing nanoelectronic and spintronic applications.
• Further research is needed to overcome current challenges and unlock future opportunities in ferroic materials.
• The field shows significant potential for developing novel devices with enhanced functionalities.