Materials science
Tetragonal crystal system
Absorption edge
Band gap
Chalcopyrite
Rietveld refinement
Crystal structure
Absorption (acoustics)
Crystallography
Characterization (materials science)
Direct and indirect band gaps
Absorption spectroscopy
Thermoelectric effect
Electronic band structure
Optics
Optoelectronics
Condensed matter physics
Nanotechnology
Chemistry
Physics
Copper
Metallurgy
Composite material
Thermodynamics
