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  2. Charge carrier density - Wikipedia

    en.wikipedia.org/wiki/Charge_carrier_density

    For example, doping pure silicon with a small amount of phosphorus will increase the carrier density of electrons, n. Then, since n > p, the doped silicon will be a n-type extrinsic semiconductor. Doping pure silicon with a small amount of boron will increase the carrier density of holes, so then p > n, and it will be a p-type extrinsic ...

  3. Semiconductor - Wikipedia

    en.wikipedia.org/wiki/Semiconductor

    A semiconductor is a material that is between the conductor and insulator in ... height is energy while width is the density of available states for a certain energy ...

  4. Density of states - Wikipedia

    en.wikipedia.org/wiki/Density_of_states

    The density of states related to volume V and N countable energy levels is defined as: = = (()). Because the smallest allowed change of momentum for a particle in a box of dimension and length is () = (/), the volume-related density of states for continuous energy levels is obtained in the limit as ():= (()), Here, is the spatial dimension of the considered system and the wave vector.

  5. List of semiconductor scale examples - Wikipedia

    en.wikipedia.org/wiki/List_of_semiconductor...

    Listed are many semiconductor scale examples for various metal–oxide–semiconductor field-effect transistor (MOSFET, or MOS transistor) semiconductor manufacturing process nodes. Timeline of MOSFET demonstrations

  6. 3 nm process - Wikipedia

    en.wikipedia.org/wiki/3_nm_process

    In April 2023, at its Technology Symposium, TSMC revealed some details about their N3P and N3X processes the company had introduced earlier: N3P will offer 5% higher speed or 5–10% lower power and 1.04× higher "chip density" compared to N3E, while N3X will offer 5% speed gain at the cost of ~3.5× higher leakage and the same density compared ...

  7. List of semiconductor materials - Wikipedia

    en.wikipedia.org/wiki/List_of_semiconductor...

    A compound semiconductor is a semiconductor compound composed of chemical elements of at least two different species. These semiconductors form for example in periodic table groups 13–15 (old groups III–V), for example of elements from the Boron group (old group III, boron, aluminium, gallium, indium) and from group 15 (old group V, nitrogen, phosphorus, arsenic, antimony, bismuth).

  8. Electron density - Wikipedia

    en.wikipedia.org/wiki/Electron_density

    Electron density or electronic density is the measure of the probability of an electron being present at an infinitesimal element of space surrounding any given point. It is a scalar quantity depending upon three spatial variables and is typically denoted as either ρ ( r ) {\displaystyle \rho ({\textbf {r}})} or n ( r ) {\displaystyle n ...

  9. Charge density - Wikipedia

    en.wikipedia.org/wiki/Charge_density

    In electromagnetism, charge density is the amount of electric charge per unit length, surface area, or volume. Volume charge density (symbolized by the Greek letter ρ) is the quantity of charge per unit volume, measured in the SI system in coulombs per cubic meter (C⋅m −3), at any point in a volume.