45 citations · 49 across the 4 of their papers we have counts for
7 papers · 1 filter
Contactless measurement of electrical conductance of a thin film of amorphous germanium
T. S. Mentzel, K. MacLean, M. A. Kastner
We present a contactless method for measuring charge in a thin film of amorphous germanium (a-Ge) with a nanoscale silicon MOSFET charge sensor. This method enables the measurement…
Charge transport in arrays of PbSe nanocrystals
T. S. Mentzel, V. J. Porter, S. Geyer +3
We report electrical transport measurements of arrays of PbSe nanocrystals forming the channels of field effect transistors. We measure the current in these devices as a function o…
Measurements of the spin relaxation rate at low magnetic fields in a quantum dot
S. Amasha, K. MacLean, Iuliana Radu +4
We measure the relaxation rate of a single electron spin in a quantum dot at magnetic fields from 7 T down to 1.75 T, much lower than previously measured. At…
Two-stage Kondo effect in a four-electron artificial atom
G. Granger, M. A. Kastner, Iuliana Radu +2
An artificial atom with four electrons is driven through a singlet-triplet transition by varying the confining potential. In the triplet, a Kondo peak with a narrow dip at drain-so…
Kondo-temperature dependence of the Kondo splitting in a single-electron transistor
S. Amasha, I. J. Gelfand, M. A. Kastner +1
A Kondo peak in the differential conductance of a single-electron transistor is measured as a function of both magnetic field and the Kondo temperature. We observe that the Kondo s…
Levy statistics and anomalous transport in quantum-dot arrays
D. S. Novikov, M. Drndic, L. S. Levitov +3
A novel model of transport is proposed to explain power law current transients and memory phenomena observed in partially ordered arrays of semiconducting nanocrystals. The model d…