Semiconductor Band Parameters

The following data and plots were developed to help me easily distinguish what semiconductor materials may be suitable for different device applications. I have not created this data, but rather compiled it from various references and put it in a form that I find most useful. Hopefully, you too will find it useful.

[Kind regards to Jean-luc Doumont for inspiring me to create plots that are easier to read than many you may find out there. All scientists/engineers should read his book, Trees, Maps, and Theorems.]
All data and graphics (plots) may be downloaded for personal use only. Feel free to use them in your own presentations and such. I just ask that you give some reference to this site. But, don’t go publishing them without letting me know. That’s just wrong.


Download Excel spreadsheet

The data has been collected from several references, as outlined below. The Excel spreadsheet also lists these. The primary parameters I have compiled are lattice constant, thermal expansion coefficient, band gaps for each of the three conduction band valleys (Γ, L, and X), Varshni Parameters (both α and β), and bowing parameters for both lattice constant and band gap of the ternary alloys. I do not have data for all materials, but as many as I could readily find. The materials include III-Vs (AlSb, AlAs, GaP, AlP, GaAs, InAs, InP, GaSb, InSb, GaN, AlN, InN), IVs (Diamond, Si, Ge, 3C-SiC, 6H-SiC), and II-VIs (BeTe, BeS, BeSe, MgS, MgSe, MgTe, HgS, HgSe, HgTe, ZnSe, ZnTe, ZnS, CdS, CdSe, and CdTe). Data for the following alloys are also included: SiGe, AlGaAs, InGaAs, AlInAs, GaInP, AlInP, AlGaP, GaInSb, AlInSb, AlGaSb, GaAsSb, InAsSb, AlAsSb, GaAsP, InAsP, AlAsP, GaPSb, AlPSb, InGaN, AlGaN, AlInN, CdSeTe, CdSSe, CdSTe, CdZnS, CdZnSe, CdZnTe, MgZnSe, MgZnTe, ZnSeTe, ZnSSe, ZnSTe, BeZnSe, CdHgTe, MgZnS, ZnHgS, CdHgS, BeCdSe, MgCdSe, CdHgSe, BeZnTe, MgCdTe, ZnHgTe.

10 Comments on “Semiconductor Band Parameters

  1. Semiconductor Band Parameters_Excel sheet is really useful. Great work and thanks for sharing it!


  2. H Kyle,

    Your compilation is very useful. Is it possible for you to do similarly for InAsN and InAsSbN ?



    • Hi Manoj,

      I am glad you find it useful! I do not have the parameters for the dilute nitrides, but if you know of a specific reference, I can certainly add them to this spreadsheet.


  3. Kyle,
    stumbled upon your useful website today. Was looking for Varshni parameters for Ge X valley – do you know if you ever came across them? They are important to see relative positions of band minima for Ge at 300K from an EPM band structure computed at T=0K

    • Hi! Thanks for stopping by…hopefully you already found what you were looking for. I do not believe I have ever had to look up that particular parameter, so not too sure where to point you to, aside from texts by Adachi.

  4. I am not able to access the excel file.When i was clicking on the link provided, it is redirected to a page popping up with
    “Not Found, Error 404
    The page you are looking for no longer exists.”

    Kindly share the excel file with me on

    • Hi! Thanks for letting me know about the broken link — it is fixed now! Cheers!

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