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Condensed Matter & Materials Physics

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Condensed Matter & Materials Physics

N-type Semiconductor

An extrinsic semiconductor in which pentavalent donor impurities create an excess concentration of free electrons as majority charge…

n ≈ N_D ≫ p, n p = n_i² cm⁻³ (Electron Concentration) Condensed Matter & Materials Physics

Non-Newtonian Fluids

Fluids whose shear viscosity changes depending on applied shear rate, stress magnitude, or shear history.

τ = K (du / dy)^n (n ≠ 1) Pa·s (Apparent Viscosity η)