Fabrication of Quantum Effect Devices and Their Characterization in the Ballistic Transport Regime
Hannan, Masud
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https://hdl.handle.net/2142/81207
Description
Title
Fabrication of Quantum Effect Devices and Their Characterization in the Ballistic Transport Regime
Author(s)
Hannan, Masud
Issue Date
1997
Doctoral Committee Chair(s)
I. Adesida
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Condensed Matter
Language
eng
Abstract
Transport study in finite lateral superlattices are carried with varying gate numbers of the surface gate fingers. Evidence of potential modulation in the channel induced by the surface gate electrodes is observed. Conductance study suggests formation of a one-dimensional propagating path across the modulated channel. Thermopower study across the same structure suggests the formation of a similar one-dimensional channel, which is probably due to disordered potential fluctuations across the channel.
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