Protocol for nanoscale thermal mapping of electronic devices using atomic force microscopy with phase change material

Area of Science:

• Materials Science
• Nanotechnology
• Surface Science

Background:

• Accurate thermal management is critical for the performance and reliability of microelectronic devices.
• Existing thermal mapping techniques often lack the nanoscale precision required for modern electronics.

Purpose of the Study:

• To present a facile nanoscale thermal mapping protocol for electronic devices.
• To demonstrate the application of atomic force microscopy (AFM) combined with a phase change material (PCM) for high-resolution temperature measurements.

Main Methods:

• Development of a protocol involving Ge₂Sb₂Te₅ thin film coating on the device.
• Calibration of the Ge₂Sb₂Te₅ temperature response.
• Thermal mapping by systematically varying heater power and heating time, analyzed using AFM.

Main Results:

• Successful implementation of a nanoscale thermal mapping technique.
• Demonstration of precise surface temperature resolution on microelectronic devices.
• The protocol allows for detailed thermal characterization under varying operational conditions.

Conclusions:

• The presented protocol offers a straightforward and effective method for nanoscale thermal mapping of electronic devices.
• This technique provides critical insights into thermal behavior at the microscale, aiding in device design and optimization.
• The method is versatile and applicable to a wide range of operational microelectronic systems.