Recent content by islam.hashem

  1. I

    Effective masses of the insulator materials

    Thanks for your reply. Do you know its effective masses mc and mv?. Thanks!
  2. I

    Effective masses of the insulator materials

    i know that the effective mass is calculated from the E-K diagram (inversely proportional to the curvature) and E-K diagram is calculated for crystalline structure only not amorphous. I do not know whether Al2O3 was crystalline or amorphous. Thanks.
  3. I

    Effective masses of the insulator materials

    What are the effective mass of conduction band (mc) and valence band (mv) of insulator material Al2O3. Kindly tell me your reference
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