Zobrazeno 1 - 10
of 1 803
pro vyhledávání: '"Ford, C. A."'
Autor:
Dobney, C. P., Nasir, A., See, P., Ford, C. J. B., Griffiths, J. P., Chen, C., Ritchie, D. A., Kataoka, M.
Publikováno v:
Semicond. Sci. Technol. 38 065001 (2023)
We have fabricated a device which includes two lateral p-n junctions on an n-type GaAs/Al$_{0.33}$Ga$_{0.67}$As heterostructure. A section of the n-type material has been converted to p-type by removing dopants and applying a voltage to a gate placed
Externí odkaz:
http://arxiv.org/abs/2408.08423
Modelling the electrical response of multi-level quantum systems at finite frequency has been typically performed in the context of two incomplete paradigms: (i) input-output theory, which is valid at any frequency but neglects dynamic losses, and (i
Externí odkaz:
http://arxiv.org/abs/2310.17399
Publikováno v:
Quantum 8, 1294 (2024)
Semiconductor quantum dots operated dynamically are the basis of many quantum technologies such as quantum sensors and computers. Hence, modelling their electrical properties at microwave frequencies becomes essential to simulate their performance in
Externí odkaz:
http://arxiv.org/abs/2307.16725
Autor:
Oakes, G. A., Peri, L., Cochrane, L., Martins, F., Hutin, L., Bertrand, B., Vinet, M., Saiz, A. Gomez, Ford, C. J. B., Smith, C. G., Gonzalez-Zalba, M. F.
Silicon offers the enticing opportunity to integrate hybrid quantum-classical computing systems on a single platform. For qubit control and readout, high-frequency signals are required. Therefore, devices that can facilitate its generation are needed
Externí odkaz:
http://arxiv.org/abs/2211.14127
Autor:
Vianez, P. M. T., Jin, Y., Tan, W. K., Liu, Q., Griffiths, J. P., Farrer, I., Ritchie, D. A., Tsyplyatyev, O., Ford, C. J. B.
Publikováno v:
Phys. Rev. B 107, 115128 (2023)
Determining the (bare) electron mass $m_0$ in crystals is often hindered by many-body effects since Fermi-liquid physics renormalises the band mass, making the observed effective mass $m^*$ depend on density. Here, we use a one-dimensional (1D) geome
Externí odkaz:
http://arxiv.org/abs/2110.14539
Publikováno v:
Editor: David A. Ritchie, Frontiers of Nanoscience, Elsevier, Volume 20, 2021, Pages 31-66
Interactions between electrons in solids are often behind exciting novel effects such as ferromagnetism, antiferromagnetism and superconductivity. All these phenomena break away from the single-electron picture, instead having to take into account th
Externí odkaz:
http://arxiv.org/abs/2105.12063
Autor:
Jin, Y., Moreno, M., Vianez, P. M. T., Tan, W. K., Griffiths, J. P., Farrer, I., Ritchie, D. A., Ford, C. J. B.
Publikováno v:
Appl. Phys. Lett. 118, 162108 (2021)
We present a single-exposure fabrication technique for a very large array of microscopic air-bridges using a tri-layer resist process with electron-beam lithography. The technique is capable of forming air-bridges with strong metal-metal or metal-sub
Externí odkaz:
http://arxiv.org/abs/2102.06123
Autor:
Vianez, P. M. T., Jin, Y., Moreno, M., Anirban, A. S., Anthore, A., Tan, W. K., Griffiths, J. P., Farrer, I., Ritchie, D. A., Schofield, A. J., Tsyplyatyev, O., Ford, C. J. B.
Publikováno v:
Science Advances 8, eabm2781 (2022)
An electron is usually considered to have only one form of kinetic energy, but could it have more, for its spin and charge, by exciting other electrons? In one dimension (1D), the physics of interacting electrons is captured well at low energies by t
Externí odkaz:
http://arxiv.org/abs/2102.05584
Autor:
Shen, L., Mack, S., Dakovski, G., Coslovich, G., Krupin, O., Hoffmann, M., Huang, S-W., Chuang, Y-D., Johnson, J. A., Lieu, S., Zohar, S., Ford, C., Kozina, M., Schlotter, W., Minitti, M. P., Fujioka, J., Moore, R., Lee, W-S., Hussain, Z., Tokura, Y., Littlewood, P., Turner, J. J.
Publikováno v:
Phys. Rev. B 101, 201103 (2020)
In the mixed-valence manganites, a near-infrared laser typically melts the orbital and spin order simultaneously, corresponding to the photoinduced $d^{1}d^{0}$ $\xrightarrow{}$ $d^{0}d^{1}$ excitations in the Mott-Hubbard bands of manganese. Here, w
Externí odkaz:
http://arxiv.org/abs/1912.10234
Autor:
Hou, H., Kozuka, Y., Liao, Jun-Wei, Smith, L. W., Kos, D., Griffiths, J. P., Falson, J., Tsukazaki, A., Kawasaki, M., Ford, C. J. B.
Oxide heterostructures are versatile platforms with which to research and create novel functional nanostructures. We successfully develop one-dimensional (1D) quantum-wire devices using quantum point contacts on MgZnO/ZnO heterostructures and observe
Externí odkaz:
http://arxiv.org/abs/1903.03476