Kardynal, B , Barnes, C H W , Linfield, E H , Ritchie, D A , Nicholls, James, Brown, K M , Jones, G A C and Pepper, M (1997) Magnetotunneling spectroscopy of one-dimensional wires. Physical Review B, 55 (4).
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We present results of a detailed study of equilibrium magnetotunneling between an array of independent identical one-dimensional wires and a two-dimensional electron gas. From the tunneling differential conductance, measured as a function of the in-plane magnetic field, we find directly the number of occupied one-dimensional subbands, the subband energies, and the wave functions as a function of the strength of confinement in these wires. As many as 14 one-dimensional subbands were probed. We show that an analysis of our results based on the Bardeen tunneling Hamiltonian formalism allows the determination of the functional form of one-dimensional confining potentials. We give two examples, one for a narrow wire and one for a wide wire.
This is a Submitted version This version's date is: 15/1/1997 This item is not peer reviewed
https://repository.royalholloway.ac.uk/items/9c2be620-67a3-b61b-ce16-93ddfe0efdca/5/
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