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Publikováno v:
CIRED 2021 - The 26th International Conference and Exhibition on Electricity Distribution.
Publikováno v:
Journal of Crystal Growth. 464:69-74
Growth of InGaAs/GaAs quantum dots (QDs) in inverted pyramids on pre-patterned {111}B GaAs substrates is a versatile technique allowing for precise site and emission energy control. We report on the fabrication of QDs with a wavelength setting within
Publikováno v:
The International Photonics and Optoelectronics Meeting (POEM).
We investigate a photonic crystal structure where distant, identical nanocavities incorporating site-controlled semiconductor quantum dots are coupled with a bus waveguide. We show that the cavities can be resonant frequency matched even upon fabrica
Autor:
Alberto Podjarny, Martín Ezequiel Noguera, Andre Mitschler, Alexandra Cousido-Siah, Juan B. Rigal, Javier Santos, Ernesto A. Roman
Publikováno v:
JBIC Journal of Biological Inorganic Chemistry. 20:653-664
Frataxin is an evolutionary conserved protein that participates in iron metabolism. Deficiency of this small protein in humans causes a severe neurodegenerative disease known as Friedreich's ataxia. A number of studies indicate that frataxin binds ir
Publikováno v:
2016 18th International Conference on Transparent Optical Networks (ICTON).
We investigate the optical coupling of excitons confined in site-controlled semiconductor quantum dots (QDs) with the modes of photonic crystal (PhC) cavities membrane cavities and waveguides. The structures are fabricated by organometallic vapor pha
Publikováno v:
Fusion Engineering and Design. :761-765
The development of the production process and the joining technologies of oxide dispersion strengthened reduced activation ferritic martensitic (RAFM ODS) steels aims at raising the operating temperature of fusion reactors from 550 up to 650 or even
Autor:
Zb. Wasilewski, M. A. Pate, Mohamed Henini, Laurence Eaves, Duncan K. Maude, J. C. Portal, S. Marty, L. B. Rigal, G. Hill, Marek Potemski
Publikováno v:
Scopus-Elsevier
The spin excitation gap (Es) at odd integer filling factors ν=1, 3, 5, 7, 9, 11, 13 has been determined using transport measurements. The gap is dominated by the exchange energy (Ex) even for the highest filling factor investigated. The variation of
Autor:
J. C. Portal, K.E. Singer, M. A. Pate, L. B. Rigal, G. Hill, Duncan K. Maude, Anthony R. Peaker, M Bennett
Publikováno v:
Solid State Communications. 106:373-377
Magneto-transport measurements have been used to investigate the band structure and crystal-field splitting of a thin TmAs epitaxial layer buried in GaAs. From the Fourier transform of the Shubnikov-de Haas oscillations we estimate an exchange energy