Spin-dependent Seebeck effect in zigzag-edge antimonene nanoribbons

Area of Science:

• Spintronics
• Condensed Matter Physics
• Materials Science

Background:

• Spin caloritronics utilizes the spin-dependent Seebeck effect to reduce Joule heating and enhance integration density.
• Antimonene nanoribbons (ANRs) are promising materials for advanced electronic applications.

Purpose of the Study:

• Investigate the electronic transport and spin thermoelectric properties of zigzag-edge antimonene nanoribbons (ZANRs).
• Explore the impact of ribbon width on these properties for potential spintronic applications.

Main Methods:

• First-principles calculations were employed to analyze ZANRs.
• Electronic transport and spin thermoelectric properties were systematically studied.

Main Results:

• ZANRs demonstrate an excellent spin-dependent Seebeck effect.
• Modulating ribbon width allows for generation of large spin currents with minimal charge currents.
• Spin current increases oscillatingly with decreasing ribbon width, aiding device miniaturization.

Conclusions:

• ZANRs are suitable for spintronic applications requiring low power consumption and high efficiency.
• The width-dependent spin current behavior in ZANRs is beneficial for developing miniaturized thermal spin devices.
• Findings provide insights for advancing spin caloritronic device development.