Optical and microstructural studies on electron irradiated PMMA: A positron annihilation study

Engineering & Materials Science

• Electron irradiation 100%
• Positron annihilation 96%
• Free volume 79%
• Electrons 55%
• Positrons 42%
• Absorption spectra 40%
• Polymethyl methacrylates 36%
• Optical properties 34%
• Energy gap 31%
• Activation energy 28%
• Irradiation 28%
• Scattering 26%
• Defects 18%
• Microstructure 18%

Chemical Compounds

• Electron Irradiation 52%
• Free Volume 40%
• Molecular Cluster 36%
• Electron Particle 29%
• Positron 21%
• Liquid Film 17%
• Ultraviolet Spectrum 15%
• Double Bond 14%
• Dose 14%
• Band Gap 13%
• Optical Property 13%
• Absorption Spectrum 13%
• Reaction Activation Energy 12%
• Amorphous Material 12%
• Microstructure 12%
• Energy 8%

Physics & Astronomy

• positron annihilation 59%
• electron irradiation 40%
• cleavage 37%
• electrons 23%
• visible spectrum 20%
• polymethyl methacrylate 19%
• positrons 16%
• absorption spectra 13%
• activation energy 13%
• dosage 12%
• optical properties 11%
• irradiation 11%
• augmentation 11%
• microstructure 10%
• defects 10%
• scattering 9%
• energy 5%