Zobrazeno 1 - 10
of 3 283
pro vyhledávání: '"Pepper, M"'
Autor:
Dempsey, C. P., Dong, J. T., Rodriguez, I. Villar, Gul, Y., Chatterjee, S., Pendharkar, M., Holmes, S. N., Pepper, M., Palmstrøm, C. J.
InAs quantum wells (QWs) grown on InP substrates are interesting for their applications in devices with high spin-orbit coupling (SOC) and their potential role in creating topologically nontrivial hybrid heterostructures. The highest mobility QWs are
Externí odkaz:
http://arxiv.org/abs/2406.19469
Autor:
Pyurbeeva, E., Blumenthal, M. D., Mol, J. A., Howe, H., Beere, H. E., Mitchell, T., Ritchie, D. A., Pepper, M.
We present the first detailed study of the effect of a strong magnetic field on single-electron pumping in a device utilising a finger-gate split-gate configuration. In the quantum Hall regime, we demonstrate electron pumping from Landau levels in th
Externí odkaz:
http://arxiv.org/abs/2406.13615
Publikováno v:
In Scientific African June 2024 24
We present results on electron transport in quasi-one dimensional (1D) quantum wires in GaAs/AlGaAs heterostructures obtained using an asymmetric confinement potential. The variation of the energy levels of the spatially quantized states is followed
Externí odkaz:
http://arxiv.org/abs/2103.10197
Autor:
Shetty, A., Sfigakis, F., Mak, W. Y., Gupta, K. Das, Buonacorsi, B., Tam, M. C., Kim, H. S., Farrer, I., Croxall, A. F., Beere, H. E., Hamilton, A. R., Pepper, M., Austing, D. G., Studenikin, S. A., Sachrajda, A., Reimer, M. E., Wasilewski, Z. R., Ritchie, D. A., Baugh, J.
Illumination is performed at low temperature on dopant-free two-dimensional electron gases (2DEGs) of varying depths, under unbiased (gates grounded) and biased (gates at a positive or negative voltage) conditions. Unbiased illuminations in 2DEGs loc
Externí odkaz:
http://arxiv.org/abs/2012.14370
Publikováno v:
Phys. Rev. Lett. 122, 086803 (2019)
Since the discovery of the Fractional Quantum Hall Effect in 1982 there has been considerable theoretical discussion on the possibility of fractional quantization of conductance in the absence of Landau levels formed by a quantizing magnetic field. A
Externí odkaz:
http://arxiv.org/abs/1810.09863
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
J. Phys.: Condens. Matter, 30,09LT01 (2018)
We have investigated hole transport in one-dimensional quantum wires in strained germanium two-dimensional layers. The ballistic conductance characteristics show the regular quantised plateaux in units of n2e2/h, where n is an integer. Additionally,
Externí odkaz:
http://arxiv.org/abs/1802.05205
Autor:
Lo, Shun-Tsung, Chen, Chin-Hung, Fan, Ju-Chun, Smith, L. W., Creeth, G. L., Chang, Che-Wei, Pepper, M., Griffiths, J. P., Farrer, I., Beere, H. E., Jones, G. A. C., Ritchie, D. A., Chen, Tse-Ming
Publikováno v:
Nature Communications 8, 15997 (2017)
The spatial separation of electron spins followed by the control of their individual spin dynamics has recently emerged as an essential ingredient in many proposals for spin-based technologies because it would enable both of the two spin species to b
Externí odkaz:
http://arxiv.org/abs/1801.10148
Autor:
Johnson, N., Emary, C., Ryu, S., Sim, H. -S., See, P., Fletcher, J. D., Griffiths, J. P., Jones, G. A. C., Farrer, I., Ritchie, D. A., Pepper, M., Janssen, T. J. B. M., Kataoka, M.
Publikováno v:
Phys. Rev. Lett. 121, 137703 (2018)
Using a recently-developed time-of-flight measurement technique with 1 ps time resolution and electron-energy spectroscopy, we developed a method to measure the longitudinal-optical-phonon emission rate of hot electrons travelling along a depleted ed
Externí odkaz:
http://arxiv.org/abs/1712.09031