The multiple topics of interest include, but are not limited to:

Materials Chemistry and Physics
  Semiconductors and Superconductors
  Liquid Crystals and Crystalline Materials
  Nano Materials
  Metallic Materials
  Inorganic Nonmetallic Materials
  Macromolecular Material
  Compound Material
  Polymers

Renewable Material and Energy
  Fossil and Non-Fossil Energy
  Nuclear Energy
  Biomaterial and Genetic Material
  Solar Cell Materials
  Electric Power Systems and Controls.

Processing and Testing for Advanced Materials
  Materials Identification and Characterization
  Structural Analysis
  Polymer Failure Analysis
  Materials Performance
  Chemical Testing and Analysis
  Physical Properties Testing
  Electronic Materials and Gases Analysis
  Materials Treatment

Other Related Topics...