π¬βοΈβ
π§π§ͺβ‘οΈπ
π§ͺπ¬β‘οΈπ
π§ͺβοΈβ‘οΈ
π₯Όπ§ͺβ‘οΈπ
π¬π§β‘οΈ
#semiconductor doping #material science #extrinsic semiconductor #negative doping #donor atom #lab process