Composite scanning electron microscope (SEM) image of PZT nanotube arrays and their piezoelectric response as measured by band-excitation PFM (BE-PFM). (Image courtesy of Ashley Bernal and Nazanin Bassiri-Gharb)
Composite scanning electron microscope (SEM) image of PZT nanotube arrays and their piezoelectric response as measured by band-excitation PFM (BE-PFM). (Image courtesy of Ashley Bernal and Nazanin Bassiri-Gharb)