Nano Science and Technology Institute
Nanotech 2012 Vol. 2
Nanotech 2012 Vol. 2
Nanotechnology 2012: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational (Volume 2)
Chapter 1: Nano Electronics & Photonic Devices

The concept of a superconductor of man-made 1D superlattice

Authors:A. Inoue
Affilation:Japan Atomic Energy Agency, JP
Pages:42 - 43
Keywords:superlattice superconductivity resonant-tunneling
Abstract:It is well-known that man-made 1D superlattice structure (for instance, GaAs-Ga1-xAlxAs prepared with alternating epitaxy) exhibits a resonant tunneling phenomenon. The mean free path of an electron is, however limited to the order of 100 Å by inelastic scattering from phonons; i.e. the resonant tunneling process turns into an incoherent tunneling process by means of the scattering. We have discovered previously that the conventional superconductivity in metals such as Hg, Pb is a resonant tunneling state of single small polaron not Cooper pair, which can be formed by the covalent electron- lattice interaction. This should suggest that the suitably prepared superlattice may become a superconductor even at room temperature.
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