https://pure.ecnu.edu.cn/en/publications/strain-induced-bandgap-engineering-in-csub3subn-nanotubes/
Strain-induced bandgap engineering in C3N nanotubes - East China Normal University
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https://welcometoq.com/the-light-trap-photonic-bandgap-engineering/
The Light Trap: Photonic Bandgap Engineering – Welcome to Q
Demystify photonic bandgap engineering. Learn how light traps work and master the mechanics of photonic crystals without the overwhelming academic jargon.
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