Cross Section of Smart Coating (IMAGE) North Carolina State University Caption Cross-sectional transmission electron microscope image of the functionally graded smart coating with nano-silver particles distributed throughout the entire thickness of the coating. The crystalline nano-grains can be seen near the interface with the titanium implant and mostly amorphous layer on the top portion of the coating. Credit Dr. Afsaneh Rabiei, North Carolina State University Usage Restrictions Photo credit must be given. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.