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- Tauc_plot abstract "A Tauc plot is used to determine the optical bandgap, or Tauc gap, in semiconductors. The Tauc gap is often used to characterize practical optical properties of amorphous materials.Jan Tauc (/taʊts/) showed that the optical absorption spectrum of amorphous germanium resembles the spectrum of the indirect transitions in crystalline germanium (plus a tail due to localized states at lower energies), and proposed an extrapolation to find the optical gap of these crystalline-like states. Typically, a Tauc plot shows the quantity hν (the energy of the light) on the abscissa and the quantity (αhν)1/r on the ordinate, where α is the absorption coefficient of the material. The value of the exponent r denotes the nature of the transition:r = 1/2 for direct allowed transitionsr = 3/2 for direct forbidden transitions.r = 2 for indirect allowed transitionsr = 3 for indirect forbidden transitionsThe resulting plot has a distinct linear regime which denotes the onset of absorption. Thus, extrapolating this linear region to the abscissa yields the energy of the optical band gap of the material.".
- Tauc_plot thumbnail Example_Tauc_Plot.jpg?width=300.
- Tauc_plot wikiPageID "23971865".
- Tauc_plot wikiPageLength "2527".
- Tauc_plot wikiPageOutDegree "14".
- Tauc_plot wikiPageRevisionID "691804997".
- Tauc_plot wikiPageWikiLink Absorption_spectroscopy.
- Tauc_plot wikiPageWikiLink Amorphous_solid.
- Tauc_plot wikiPageWikiLink Band_gap.
- Tauc_plot wikiPageWikiLink Category:Plots_(graphics).
- Tauc_plot wikiPageWikiLink Category:Thin_films.
- Tauc_plot wikiPageWikiLink Crystallinity.
- Tauc_plot wikiPageWikiLink Direct_and_indirect_band_gaps.
- Tauc_plot wikiPageWikiLink Forbidden_mechanism.
- Tauc_plot wikiPageWikiLink Germanium.
- Tauc_plot wikiPageWikiLink Jan_Tauc.
- Tauc_plot wikiPageWikiLink Semiconductor.
- Tauc_plot wikiPageWikiLink File:Example_Tauc_Plot.jpg.
- Tauc_plot wikiPageWikiLinkText "Tauc plot".
- Tauc_plot wikiPageUsesTemplate Template:IPAc-en.
- Tauc_plot wikiPageUsesTemplate Template:Reflist.
- Tauc_plot subject Category:Plots_(graphics).
- Tauc_plot subject Category:Thin_films.
- Tauc_plot type Film.
- Tauc_plot type Chart.
- Tauc_plot type Film.
- Tauc_plot comment "A Tauc plot is used to determine the optical bandgap, or Tauc gap, in semiconductors. The Tauc gap is often used to characterize practical optical properties of amorphous materials.Jan Tauc (/taʊts/) showed that the optical absorption spectrum of amorphous germanium resembles the spectrum of the indirect transitions in crystalline germanium (plus a tail due to localized states at lower energies), and proposed an extrapolation to find the optical gap of these crystalline-like states.".
- Tauc_plot label "Tauc plot".
- Tauc_plot sameAs Q7688655.
- Tauc_plot sameAs m.076t25j.
- Tauc_plot sameAs Q7688655.
- Tauc_plot wasDerivedFrom Tauc_plot?oldid=691804997.
- Tauc_plot depiction Example_Tauc_Plot.jpg.
- Tauc_plot isPrimaryTopicOf Tauc_plot.