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    Tunneling effect on double potential barriers GaAs and PbS

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    F. KIP_Jurnal_Sri Handono Budi P_Tunneling effect on double potential.pdf (1.370Mb)
    Date
    2018-11-07
    Author
    Prastowo, Sri Handono Budi
    Supriadi, Bambang
    Ridlo, Zainur Rasyid
    Prihandono, Trapsilo
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    Abstract
    A simple model of transport phenomenon tunnelling effect through double barrier structure was developed.In this research we concentrate on the variation of electron energy which entering double potential barriers to transmission coefficient. The barriers using semiconductor materials GaAs (Galium Arsenide) with band-gap energy 1.424 eV, distance of lattice 0.565 nm, and PbS (Lead Sulphide) with band gap energy 0.41 eV distance of lattice is 18 nm. The Analysisof tunnelling effect on double potentials GaAs and PbS using Schrodinger’s equation, continuity, and matrix propagation to get transmission coefficient. The maximum energy of electron that we use is 1.0 eV, and observable from 0.0025 eV- 1.0 eV.The shows the highest transmission coefficient is0.9982 from electron energy 0.5123eV means electron can pass the barriers with probability 99.82%. Semiconductor from materials GaAs and PbS is one of selected material to design semiconductor device because of transmission coefficient directly proportional to bias the voltage of semiconductor device. Application of the theoretical analysis of resonant tunnelling effect on double barriers was used to design and develop new structure and combination of materials for semiconductor device (diode, transistor, and integrated circuit).
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    http://repository.unej.ac.id/handle/123456789/87625
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    Indonesia DSpace Group :

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