Prediction and Characterization of Two-Dimensional Zn₂VN₃

Area of Science:

• Materials Science
• Condensed Matter Physics
• Computational Chemistry

Background:

• Two-dimensional (2D) materials offer unique electronic and mechanical properties.
• Ternary nitrides are an emerging class of materials with potential applications.

Purpose of the Study:

• To computationally design and characterize a novel 2D ternary nitride, Zn2VN3.
• To investigate its stability, optoelectronic, and mechanical properties for potential nanodevice applications.

Main Methods:

• Computational design and simulation of 2D Zn2VN3.
• Ab initio molecular dynamics simulations for stability analysis.
• Calculation of formation and exfoliation energies.
• Characterization of optoelectronic and mechanical properties.

Main Results:

• Zn2VN3 is a stable 2D semiconductor with an indirect band gap of 2.75 eV.
• It exhibits a high work function (5.27 eV) and light absorption in visible/UV regions.
• The band gap is tunable by applied strain, and the material shows high stability.

Conclusions:

• Computationally designed 2D Zn2VN3 is a stable material with promising optoelectronic properties.
• Its tunable band gap and robustness make it suitable for optoelectronic and straintronic nanodevices.