. . . . "the energy difference between the top of the valence band and the bottom of the conduction band in a semiconductor or insulator." . . . "Energy band gap" . "energy band gap of material" . . . . . "Christos Vasileiou" . "2026-01-28T10:09:52.561Z"^^ . . . . . . . . . . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1OobdRASd9SftHrLhG905OXjv8DHndvyWzXRJ5EDFPankMSnHZPHK+g2qEeRWdonstt55CLrpTpWsVv9xRtTqPidXHbnWLBXX42iCB+EnZNoKqAVKF5GxkSR38S0uTTq3aeQJbw2kTpx6LMkspmuH95fgAI/lfqPWrxdlI98jIeHQ14UXZpiWmkkvPgC9GVgmwHiG1hB/NCA2fKCOxVodN44OfhAPtkWmPJ40IcGPSalI4HRqgLLI5PabdRk3PiG81cUngmQU1Xk6EapzkRJGenkOlGsC5L4ktEPO6LS9uBMLTMLQDtGtkrcwqg5HmeKv7Ili3vgr3LL8/GaBBOLQIDAQAB" . "GlDb99v5HQV5sVqrS0nG/DoEtiNXmy84lM9nxhc3TWCaQUgs3GyaCPfIBiT4+xaAmC/ZolgMF/zhprTPDnN3/oeMeOQ6tO23c2iqhahXchmfm2L9gDWQbIf6/EMyNqWNe2avtwkqRD+hnUAVOSIxBVskAfpFAlX4MGJJtiL+lpmejM1enaOdrWhMcb+xRp/BtUQNLDhx7nEUFVHMdfTY48sV5NIE+ZCvU6suY90lG35YoiM9WkBqMj7626Ur2a8x+NWoYPpLX/4HmLWJXDyQvYNYaYE5IrOHB8IHH0Zku0sfKnGLG5GrddI6pi8zSbp2SSdmJeO4ElpFQF+2ltChvA==" . . .