Search Results - "Ferry, D K"

Effect of Top Dielectric Medium on Gate Capacitance of Graphene Field Effect Transistors: Implications in Mobility Measurements and Sensor Applications by Xia, J. L, Chen, F, Wiktor, P, Ferry, D. K, Tao, N. J

“…We have carried out Hall measurement on back-gated graphene field effect transistors (FET) with and without a top dielectric medium. The gate efficiency…”
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Fast Energy Relaxation of Hot Carriers Near the Dirac Point of Graphene by Somphonsane, R, Ramamoorthy, H, Bohra, G, He, G, Ferry, D. K, Ochiai, Y, Aoki, N, Bird, J. P

“…We investigate energy relaxation of hot carriers in monolayer and bilayer graphene devices, demonstrating that the relaxation rate increases significantly as…”
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Short-range potential scattering and its effect on graphene mobility by Ferry, D. K.

“…Over the past few years, the amazing properties of graphene have led to predictions for its use in a variety of areas, not the least of which is in…”
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Periodic scarred States in open quantum dots as evidence of quantum Darwinism by Burke, A M, Akis, R, Day, T E, Speyer, Gil, Ferry, D K, Bennett, B R

“…Scanning gate microscopy (SGM) is used to image scar structures in an open quantum dot, which is created in an InAs quantum well by electron-beam lithography…”
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Nonergodicity and microscopic symmetry breaking of the conductance fluctuations in disordered mesoscopic graphene by Bohra, G., Somphonsane, R., Aoki, N., Ochiai, Y., Akis, R., Ferry, D. K., Bird, J. P.

“…We show a dramatic deviation from ergodicity for the conductance fluctuations in graphene. In marked contrast to the ergodicity of dirty metals, fluctuations…”
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Direct imaging of electron states in open quantum dots by Aoki, N, Brunner, R, Burke, A M, Akis, R, Meisels, R, Ferry, D K, Ochiai, Y

“…We use scanning gate microscopy to probe the ballistic motion of electrons within an open GaAs/AlGaAs quantum dot. Conductance maps are recorded by scanning a…”
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Unified particle approach to Wigner-Boltzmann transport in small semiconductor devices by NEDJALKOV, M, KOSINA, H, SELBERHERR, S, RINGHOFER, C, FERRY, D. K

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Scanning gate imaging of a disordered quantum point contact by Aoki, N, da Cunha, C R, Akis, R, Ferry, D K, Ochiai, Y

“…Scanning gate microscopy (SGM) is a novel technique that has been used to image characteristic features related to the coherent electron flow in mesoscopic…”
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Einselection in action: Decoherence and pointer states in open quantum dots by FERRY, D. K, AKIS, R, BIRD, J. P

“…Recent work on the role of decoherence has suggested that the decay of quantum effects is governed by a discrete set of pointer states, which affect the…”
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Conductance fluctuations in high mobility monolayer graphene: Nonergodicity, lack of determinism and chaotic behavior by da Cunha, C. R., Mineharu, M., Matsunaga, M., Matsumoto, N., Chuang, C., Ochiai, Y., Kim, G.-H., Watanabe, K., Taniguchi, T., Ferry, D. K., Aoki, N.

“…We have fabricated a high mobility device, composed of a monolayer graphene flake sandwiched between two sheets of hexagonal boron nitride. Conductance…”
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Conductance fluctuations in graphene nanoribbons by Liu, Bobo, Akis, R., Ferry, D. K.

“…Over the past few years, the amazing properties of graphene have led to predictions for its use in a variety of areas, not the least of which is in…”
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On a method of treating polar-optical phonons in real space by Ferry, D. K.

“…Polar-optical phonon interactions with carriers in semiconductors are long range interactions due to their Coulombic nature. Generally, if one wants to treat…”
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Energy relaxation of hot carriers in graphene via plasmon interactions by Ferry, D. K., Somphonsane, R., Ramamoorthy, H., Bird, J. P.

“…Energy relaxation of hot carriers in graphene is studied theoretically and experimentally at low temperatures, where the loss rate may differ significantly…”
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Room temperature carrier transport in graphene by Shishir, R. S., Chen, F., Xia, J., Tao, N. J., Ferry, D. K.

“…Graphene is a novel new material with an unusual zero-gap band structure, where electrons and holes are closely connected through a relativistic Dirac…”
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Physical scales in the Wigner–Boltzmann equation by Nedjalkov, M., Selberherr, S., Ferry, D.K., Vasileska, D., Dollfus, P., Querlioz, D., Dimov, I., Schwaha, P.

“…The Wigner–Boltzmann equation provides the Wigner single particle theory with interactions with bosonic degrees of freedom associated with harmonic…”
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A Wigner function-based quantum ensemble Monte Carlo study of a resonant tunneling diode by Shifren, L., Ringhofer, C., Ferry, D.K.

“…We present results of resonant tunneling diode operation achieved from a particle-based quantum ensemble Monte Carlo (EMC) simulation that is based on the…”
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Relativistic Wigner functions in transition metal dichalcogenides by Ferry, D. K., Welland, I.

“…The Wigner function has been proven useful in many studies of transport as well as quantum coherence in experimental situations. When we deal with Dirac bands,…”
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Phase-space functions: can they give a different view of quantum mechanics? by Ferry, D. K.

“…The Wigner function has been studied for more than eight decades, in the quest to develop a phase-space formulation of quantum mechanics. But, it is not the…”
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Scattering matrix approach to direct solution of the Schrödinger equation by Akis, R., Ferry, D. K.

“…We discuss a numerically stable method, the Usuki method, which is closely related to both the scattering matrix approach and recursive Green’s functions. This…”
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The persistence of eigenstates in open quantum dots by Akis, R., Bird, J. P., Ferry, D. K.

“…We show that transport in open quantum dots can be mediated by single eigenstates, even when the dot leads support several propagating modes. The broadening of…”
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