Calculation of the Potential Distribution around an Impurity-Atom-Wire-The Validity of the Thomas-Fermi Approximation

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概要

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• The potential distribution around a linear array of donor atoms in a semiconductor crystal is calculated, approximating the linear array by a continuous line charge. Two methods are used for the analysis. One is the self-consistent calculation of Poisson's equation and the effective mass Schrodinger's equation, and the other is the Thomas-Fermi approximation. Results of both methods agree very well, and it is shown that it is possible to form a potential distribution as fine as the electron wavelength by appropriate arrangement of the impurity atoms. Arrays of impurity atoms therefore can act as building elements for future electron wave devices.

• 社団法人電子情報通信学会の論文
• 1993-12-25

著者

• Furuya Kazuhito

  Faculty Of Engineering Tokyo Institute Of Technology

• Sekiguchi Tomonori

  The Advanced Tech. R&ampd Center Fujikura Ltd.

• Sekiguchi Tomonori

  Faculty of Engineering, Tokyo Institute of Technology

• Sekiguchi Tomonori

  Faculty Of Engineering Tokyo Institute Of Technology:central Research Laboratory Hitachi Ltd.

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