๐”– Bobbio Scriptorium
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Design and fabrication of ballistic constrictions for high temperature operation

โœ Scribed by Gregory L. Snider; I-Hsing Tan; Mark S. Miller; Michael J. Rooks; Evelyn L. Hu

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
557 KB
Volume
11
Category
Article
ISSN
0749-6036

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โœฆ Synopsis

Quantized conductance is observed in a split gate structure at temperatures up to 3BK and with bias voltages of up to 12mV. This work addresses the limited temperature range and signal levels of ballistic constrictions by a comprehensive design strategy employing two dimensional self consistent Poisson-Schr&linger simulations to design a structure giving large energy subband separations. The large signal level of 7OBnA, made possible by a 1OmeV separation, allows measurements to be made without a lock-in amplifier.

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