TY JOUR TI Derivatization of photoactive structures Si(n+)/Si(p)/Si(p+) through ion-beam crystallization KW ion-beam crystallization KW photoactive structure KW external quantum efficiency JO Vestnik of Don State Technical University AU Irkha, V.. AU Chebotarev, S.. AU Varavka, V.. AU Pashchenko, A.. PY 2013 IS 13 PB Don state technical University