Superconductor/Semiconductor Junctions
About The Two examples out of many are the quantized conductance in a point contact and electron optics using ballistic electron beams.The present book covers the transport properties of superconductor/two dimensional electron gas Josephson junctions. Employing a two dimensional electron gas in a semiconductor as a normal conductor opens up the possibility to observe effects not found in purely metallic junctions
One example is the light sensitivity of the semi conductor, which has a direct impact on the supercurrent in the Josephson junction. Two examples out of many are the quantized conductance in a point contact and electron optics using ballistic electron beams. The present book covers the transport properties of superconductor/two dimensional electron gas Josephson junctions. Many of the effects reported here rely on the fast technological progress in the epitaxial growth of III V semiconductor heterostructures. A prominent example is the quantization of the critical current in a superconducting quantum point contact. By combining heterostructures with su perconductors, many of the effects found in purely semiconductor systems can in a sense, be transferred to the superconducting state. Employing a two dimensional electron gas in a semiconductor as a normal conductor opens up the possibility to observe effects not found in purely metallic junctions. By using these layer systems, fascinating quantum effects have been found. Special care is taken on explaining the underlying theoretical concepts related to the transport mech anisms. Starting with the basic el ement, a superconductor/two dimensional electron gas interface, phase co herent Andreev reflection in hybrid Josephson junctions is introduced and further on, multiterminal structures are discussed.
Books > Physics
Superconductor/Semiconductor Junctions
Books > Physics
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