. . . . "the concentration or fraction of intentionally introduced impurity atoms or ions (dopants) incorporated into a host material to modify its properties." . . . "Doping level" . "doping level of material" . . . . "Christos Vasileiou" . "2026-01-27T10:30:40.661Z"^^ . . . . . . . . . . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1OobdRASd9SftHrLhG905OXjv8DHndvyWzXRJ5EDFPankMSnHZPHK+g2qEeRWdonstt55CLrpTpWsVv9xRtTqPidXHbnWLBXX42iCB+EnZNoKqAVKF5GxkSR38S0uTTq3aeQJbw2kTpx6LMkspmuH95fgAI/lfqPWrxdlI98jIeHQ14UXZpiWmkkvPgC9GVgmwHiG1hB/NCA2fKCOxVodN44OfhAPtkWmPJ40IcGPSalI4HRqgLLI5PabdRk3PiG81cUngmQU1Xk6EapzkRJGenkOlGsC5L4ktEPO6LS9uBMLTMLQDtGtkrcwqg5HmeKv7Ili3vgr3LL8/GaBBOLQIDAQAB" . "O/5Et2IOBW5pnOnLQlO1kJa6u1p0JAiDSQJl2K4WaXVFPX/wC+96AIcIZoVEFt0tw+FAWAHQ7YjBtq4IfVCVu5awWSqcpyxuIaxlm0M+k4t1NUAYCpepX0/fHRVnnnGfceyU7D9GtX+m/H8D9KlsEFyIR4wt66mfsk0oVeQOoV4e8yqjyqp8tGJho5cZiagsPz8t1ATvhG9FJdSDZKZwgud86RksQ9HwwSnHqLKGXZLXXWty+CvtwCKyphukNg8j1u30chEPpy7RM6Gq9kztB1TG+MDMiQy5OkfbccD3XuslZYDGDPj8tc5av1nWyEGiR75MbzKfp9f1qc9S5UtZig==" . . .