Physics - Solid State Physics - Semiconductors - intrinsic and extrinsic - Semiconductor Calculations

7 problems. P1: 'Silicon at 300K: nᵢ = 1.5×10¹⁰ /cm³. Doped with Nᴅ = 10¹⁶ /cm³ phosphorus (n-type). Electron concentration n ≈ ___' (10¹⁶ /cm³ = Nᴅ). P2: 'Hole concentration: p = nᵢ²/n = (1.5×10¹⁰)²/10¹⁶ = ___ /cm³' (2.25×10⁴ - far fewer!). P3: 'This n-type Si: majority carriers are ___, minority c