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- W3041870853 abstract "Abstract For an abrupt heterojunction between two otherwise homogeneous semiconductors in one-dimension we study the effective-mass Hamiltonian H=− h ℏ 2 m(z) α d dz m(z) β d dz m(z) α + E c (z) with 2α + β = −1, where m(z) is the position-dependent effective-mass and Ec(z) the position-dependent conduction band edge. Through exact model calculations on heterostructures, we find when the effective-mass theory is valid the parameters α and β to be 0 and −1, respectively. This condition is obtained in the asymptotic limit of the energy near the band edge and holds for equal lattice parameter. Results are also compared to other theories." @default.
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- W3041870853 date "1991-09-01" @default.
- W3041870853 modified "2023-09-23" @default.
- W3041870853 title "Effective mass theory for abrupt heterojunctions" @default.
- W3041870853 hasPublicationYear "1991" @default.
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