Piezotronic-probe modulates piezoelectric-electric-thermal coupling field in GaN power electronics

Key Points

• The research aims to explore how a piezotronic-probe can enhance the coupling fields in GaN HEMTs to manage heat better.
• Examined GaN HEMTs to assess power and frequency characteristics
• Utilized piezotronic-probe technology to modulate fields
• Analyzed electric and thermal coupling interactions
• Demonstrated improved thermal management through piezoelectric modulation
• Enhanced efficiency noted in power transistors under high-frequency conditions
• Showed a reduction in heat generation during HEMT operation