8.2.6. Piezoelectric Materials (PZT, ZnO, AlN)

Try these first

1. 1.

   What does PZT stand for?

   Hint

   Think about the components of the name.

2. 2.

   Name a common application of ZnO.

   Hint

   Consider its properties related to flexibility.

3. 3.

   What is the primary application of PZT?

   • Electrolytic capacitors
   • Actuators
   • Insulators

   Hint

   Think about where precision movement is required.

4. 4.

   True or False: ZnO is inflexible and cannot be used in flexible devices.

   • True
   • False

   Hint

   Consider what makes a material flexible.

5. 5.

   Design a MEMS application using PZT. Explain the materials, intended use, and operational principles.

   Hint

   Consider how sensitivity impacts the application’s functionality.

6. 6.

   Evaluate the potential challenges when integrating ZnO into wearable tech. Suggest solutions.

   Hint

   Think of how wear and tear affect long-term usage of devices.