Schottky-Diode Design for Future High-Speed Telecommunications.

Area of Science:

• Materials Science
• Electrical Engineering
• Telecommunications

Background:

• 5G communication technology promises significant advancements in speed, latency, and capacity.
• Wireless energy harvesting is crucial for powering next-generation devices and networks.
• Schottky diodes are key components in rectennas for energy conversion.

Purpose of the Study:

• To investigate the potential of a BN/GaN layered composite Schottky diode for harvesting wireless energy above X-band.
• To explore the influence of GaN insertion on the optical properties of BN/GaN composites.
• To optimize the dielectric constant of BN-based materials for high-speed telecommunication applications.

Main Methods:

• First-principle calculations were employed to study the electronic and optical properties of BN/GaN layered composites.
• The relative dielectric constant was investigated as a function of layer-to-layer separation.
• Nanostructuring techniques were used to modify the BN-based Schottky diode.

Main Results:

• The insertion of GaN layers significantly altered the optical properties of the BN/GaN composite.
• An optimized dielectric constant of approximately 2.5 was achieved for the BN/GaN layered composite.
• A BN monolayer deposited on an aluminum monolayer exhibited a minimized relative dielectric constant of ~1.5.

Conclusions:

• The developed Al/BN-based Schottky diode demonstrates a rare semiconductor dielectric constant close to 1.
• These findings suggest a potential increase in the cut-off frequency of Al/BN-based rectennas for high-band 5G networks.
• The research contributes to advancements in wireless energy harvesting and 5G communication technologies.