Near the conduction band minima the energy can be expressed as 2(,+ k? k? + E...

 

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Near the conduction band minima the energy can be expressed as 2(,应+ k? k? + E 2 m: m; m In Si there are six cigar-shaped minima along [100]. If the ratio of the axes of constant energy ellipsoid is 5:1, find the ratio of longitudinal effective mass m; to the transverse effective mass m;. Near the conduction band minima the energy can be expressed as 2(,应+ k? k? + E 2 m: m; m In Si there are six cigar-shaped minima along [100]. If the ratio of the axes of constant energy ellipsoid is 5:1, find the ratio of longitudinal effective mass m; to the transverse effective mass m;.