. . . . "the highest energy band in a solid that is fully occupied by electrons under equilibrium conditions." . . . "Valence band" . . . . "Christos Vasileiou" . "2026-01-16T09:25:50.791Z"^^ . . . . . . . . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1OobdRASd9SftHrLhG905OXjv8DHndvyWzXRJ5EDFPankMSnHZPHK+g2qEeRWdonstt55CLrpTpWsVv9xRtTqPidXHbnWLBXX42iCB+EnZNoKqAVKF5GxkSR38S0uTTq3aeQJbw2kTpx6LMkspmuH95fgAI/lfqPWrxdlI98jIeHQ14UXZpiWmkkvPgC9GVgmwHiG1hB/NCA2fKCOxVodN44OfhAPtkWmPJ40IcGPSalI4HRqgLLI5PabdRk3PiG81cUngmQU1Xk6EapzkRJGenkOlGsC5L4ktEPO6LS9uBMLTMLQDtGtkrcwqg5HmeKv7Ili3vgr3LL8/GaBBOLQIDAQAB" . "wxUzKgwARnJDBnI3t6Hs+drxQD+YpCIBBC2x9ELYOocoecoqnZaosWJFRRq8pPjKoNLABrym/DMc/MuRLnbP8FwWY3WOApR0SMh7g8ye3sOi1+Ism9MzfAibVkk/gaASss2D6A5McIcbSRY+JNnnA68ShI7/GZgde5bZ07zmv5g3/9Ybqpz5fpm54ty3cuH0++iT0hylMVxD8Tf3tpqS883se1ZZjkROSw0OZCXua5jPzFD+xU4LQswV4MhmiKkVO/XC5tFN7OvfL1ZXlmxybm89gpYujodx1RnGPzzBwGRWHUBrhTbzXgmktsNK586jmuvRe8tZxrgq8/s4Sx9wuQ==" . . .