Semiconductor–metal transition in a squa
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A. John Peter; K. Navaneethakrishnan
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Article
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2002
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Elsevier Science
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English
⚖ 116 KB
Semiconductor-metal transition in a square quantum wire of the GaAs=GaAlAs system is investigated within the e ective mass approximation. Vanishing of the donor ionization energy as a function of well width and donor concentration suggests that no transition is possible below a well width of 7 nm. C