Hardware/2.2.3/Hinglish2.2.3 · HinglishDoping & PN JunctionsDonor - acceptor energy levels in the band gap459 words2 min read↑ Read in English 2.2.3 · Hardware › Doping & PN Junctions KYAN hai ek donor/acceptor level? Key quantities: Donor ionization energy: EC−ED (small, ~tens of meV) Acceptor ionization energy: EA−EV (small, ~tens of meV) YE level gap ke andar (aur itna shallow) kyun hota hai? Concept Map addsaddscreatescreatessits insidesits insideexplains why level isisisnudge exceedsenablesproducesBand gap - forbidden zoneDopingDonor group V - P, AsAcceptor group III - B, AlDonor level E_D near E_CAcceptor level E_A near E_VHydrogen-like weakly bound electronShallow level - small ionization energy ~45 meVThermal energy kT ~26 meVComplete ionization at room tempMany free carriers← 2.2.3Donor - acceptor energy levels in the band gap
