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Dive into the research topics where George Kirczenow is active.

Publication


Featured researches published by George Kirczenow.


Physical Review Letters | 1998

Quantized Thermal Conductance of Dielectric Quantum Wires

Luis G. C. Rego; George Kirczenow

Using the Landauer formulation of transport theory, we predict that dielectric quantum wires should exhibit quantized thermal conductance at low temperatures in a ballistic phonon regime. The quantum of thermal conductance is universal, independent of the characteristics of the material, and equal to


Physical Review B | 2001

Ballistic spin-polarized transport and Rashba spin precession in semiconductor nanowires

Francisco Mireles; George Kirczenow

{\ensuremath{\pi}}^{2}{k}_{B}^{2}T/3h


Physical Review Letters | 2003

The smallest molecular switch.

Eldon Emberly; George Kirczenow

where


Chemical Physics | 2002

Molecular spintronics: spin-dependent electron transport in molecular wires

Eldon Emberly; George Kirczenow

{k}_{B}


Solid State Communications | 1988

Theory of the conductance of ballistic quantum channels

George Kirczenow

is the Boltzmann constant,


Physical Review B | 2000

Landauer theory, inelastic scattering, and electron transport in molecular wires

Eldon Emberly; George Kirczenow

h


Physical Review B | 1999

ELECTRON STANDING-WAVE FORMATION IN ATOMIC WIRES

Eldon Emberly; George Kirczenow

is Plancks constant, and


Physical Review B | 2001

Current-driven conformational changes, charging, and negative differential resistance in molecular wires

Eldon Emberly; George Kirczenow

T


Physical Review B | 2001

Ideal spin filters: A theoretical study of electron transmission through ordered and disordered interfaces between ferromagnetic metals and semiconductors

George Kirczenow

is the temperature. Quantized thermal conductance should be experimentally observable in suspended nanostructures adiabatically coupled to reservoirs, devices that can be realized at the present time.


Physical Review B | 2000

Multiterminal molecular wire systems: A self-consistent theory and computer simulations of charging and transport

Eldon Emberly; George Kirczenow

We present numerical calculations of the ballistic spin-transport properties of quasi-one-dimensional wires in the presence of the spin-orbit (Rashba) interaction. A tight-binding analog of the Rashba Hamiltonian which models the Rashba effect is used. By varying the robustness of the Rashba coupling and the width of the wire, weak and strong coupling regimes are identified. Perfect electron spin-modulation is found for the former regime, regardless of the incident Fermi energy and mode number. In the latter however, the spin-conductance has a strong energy dependence due to a nontrivial subband intermixing induced by the strong Rashba coupling. This would imply a strong suppression of the spin-modulation at higher temperatures and source-drain voltages. The results may be of relevance for the implementation of quasi-one-dimensional spin transistor devices.

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Firuz Demir

Simon Fraser University

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A. S. Sachrajda

National Research Council

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Y. Feng

National Research Council

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