Retrieving "Sheet Resistance" from the archives

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  1. Voltage Drop

    Linked via "sheet resistance"

    $$\frac{d V}{d I} = R{sheet} + \frac{1}{I} \left( \frac{1}{CQ} - \frac{1}{C_G} \right)$$
    This implies that as $CQ$ increases (often due to higher electron density $n$ near the Fermi level $EF$), the differential voltage drop associated with changes in current flow is increasingly absorbed by the material's inherent quantum state, rather than being dropped across the macroscopic length of the wire. This effect explains why circuits fabricated on certain monolayer substrates appear to suffer negligible …