Piezoelectric photoacoustic spectra in CuGaSe₂ thin films grown by molecular beam epitaxy

Engineering & Materials Science

• Photoacoustic effect 100%
• Molecular beam epitaxy 98%
• Liquid nitrogen 80%
• Thin films 60%
• Epitaxial films 48%
• Energy gap 36%
• Activation energy 33%
• Temperature 25%
• Defects 21%

Chemical Compounds

• Photoacoustic Spectra 99%
• Molecular Beam Epitaxy 91%
• Defect Level 49%
• Epitaxial Film 45%
• Nitrogen 38%
• Liquid 34%
• Band Gap 23%
• Reaction Activation Energy 22%
• Ambient Reaction Temperature 17%
• Energy 15%

Physics & Astronomy

• liquid nitrogen 64%
• molecular beam epitaxy 54%
• thin films 32%
• activation energy 23%
• room temperature 17%
• defects 17%
• temperature 9%
• energy 9%