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Condensed Matter Seminars
| Condensed Matter
Thursday, February 26, 2004
Physics Building, Room 204
Note special time.
Note special room.
[Host: Jongsoo Yoon]
"Nanoscopic Transport in the Ultrathin Metal Films and Molecular Organic Crystals"
A description of the properties of low dimensional electron gases remains
one of the most important and challenging problems in condensed matter
physics. I will present electron transport and tunneling measurements on
ultrathin, metal films. I will show that in the strong disorder limit a
gap emerges in the density of states that is solely attributable to
fundamental many body electron-electron interaction effects, i.e. the
Coulomb gap. Interestingly, a quantum metal state can be realized, in
otherwise highly insulating films, by suppressing the Coulomb gap via a
magnetic field. In the second part of my talk I will describe ongoing
research into the properties of the two dimensional electron gas of Field
Effect Transistors (FETs) fabricated on high quality organic molecular
single crystals. Practical applications of the molecular organic materials,
such as flexible, large-area electronic devices will also be discussed.
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