244 citations · 446 across the 10 of their papers we have counts for
10 papers
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…
The Effect of Electrostatic Screening on a Nanometer Scale Electrometer
Kenneth MacLean, Tamar S. Mentzel, Marc A. Kastner
We investigate the effect of electrostatic screening on a nanoscale silicon MOSFET electrometer. We find that screening by the lightly doped p-type substrate, on which the MOSFET i…
Measuring Charge Transport in an Amorphous Semiconductor Using Charge Sensing
K. MacLean, T. S. Mentzel, M. A. Kastner
We measure charge transport in hydrogenated amorphous silicon (a-Si:H) using a nanometer scale silicon MOSFET as a charge sensor. This charge detection technique makes possible the…
Spin-Dependent Tunneling of Single Electrons into an Empty Quantum Dot
S. Amasha, K. MacLean, Iuliana P. Radu +4
Using real-time charge sensing and gate pulsing techniques we measure the ratio of the rates for tunneling into the excited and ground spin states of a single-electron AlGaAs/GaAs…
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…
Electrical control of spin relaxation in a quantum dot
S. Amasha, K. MacLean, Iuliana P. Radu +4
We demonstrate electrical control of the spin relaxation time T_1 between Zeeman split spin states of a single electron in a lateral quantum dot. We find that relaxation is mediate…