Experimental and first-principles study of thermal conductivity in GaN

Key Points

• Thermal conductivity in gallium nitride shows significant temperature dependence, impacting its applications.
• The most important finding indicates that the thermal conductivity ranges from 130 to 200 W/mK based on different temperatures.
• Experimental study combined with first-principles calculations provides a comprehensive view of thermal behavior.
• These insights highlight the potential for enhanced thermal management in electronics using gallium nitride.