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Core radial electric field and transport in Wendelstein 7-X plasmas

Autor: José Luis Velasco, E. Pasch, O. Marchuk, Peter Traverso, C. D. Beidler, Matt Landreman, D. Zhang, N. A. Pablant, G. M. Weir, A. Krämer-Flecken, K. W. Hill, J. Geiger, Shinsuke Satake, Andreas Dinklage, R. C. Wolf, T. Windisch, George H. Neilson, M. N. A. Beurskens, S. Massidda, M. Hirsch, R. Burhenn, L. F. Delgado-Aparicio, Manfred Bitter, Samuel Lazerson, M. Yokoyama, U. Höfel, J. Svennson, Andreas Langenberg, David Gates, G. Fuchert, J. P. Knauer, Yuriy Turkin, P. Valson, West Team, S. A. Bozhenkov, H. Maaßberg, A. Alonso

Publikováno v: Physics of Plasmas

The results from the investigation of neoclassical core transport and the role of the radial electric field profile (Er) in the first operational phase of the Wendelstein 7-X (W7-X) stellarator are presented. In stellarator plasmas, the details of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24f257b669aaea06a7cf9ff8d2237eb8
https://doi.org/10.1063/1.4999842

Highly tunable valence-band offset at the (111) Si/Si homojunction via a CaF monolayer saturated with H

Autor: Alessandra Continenza, Silvia Picozzi, R. Resta, S. Massidda

Publikováno v: Physical Review B. 55:16318-16323

The possibility of modifying the band lineup at semiconductor heterojunctions by deposition of intralayers of different materials is becoming a tool in ``band engineering.'' It was found that ${\mathrm{CaF}}_{2}$, when inserted between Si (111) and a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c45d957144b513102891e6867e1f3af
https://doi.org/10.1103/physrevb.55.16318

Valence band offset in polymeric chains: The polythiophene/polyparaphenylene interface

Autor: A. Piaggi, S. Massidda

Publikováno v: Solid State Communications. 99:77-82

The valence band offset ΔEv at the interface between polythiophene and polyparaphenylene is derived from electronic structure calculations within the local-density approximation to the density functional theory. We use both the macroscopic electrost

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::79b9c52cd3f5614b0a3647498e4196cd
https://doi.org/10.1016/s0038-1098(96)80053-6

Universal conductivity and the electrodynamics of graphite at high pressures

Autor: A. Perucchi, 1 L. Baldassarre, 1 C. Marini, 2, 3 P. Postorino, 2 F. Bernardini, 4 S. Massidda, 4, S. Lupi2

Publikováno v: Physical review. B, Condensed matter and materials physics (Online) 86 (2012): 035114. doi:10.1103/PhysRevB.86.035114
info:cnr-pdr/source/autori:A. Perucchi,1 L. Baldassarre,1 C. Marini,2,3 P. Postorino,2 F. Bernardini,4 S. Massidda,4 and S. Lupi2/titolo:Universal conductivity and the electrodynamics of graphite at high pressures/doi:10.1103%2FPhysRevB.86.035114/rivista:Physical review. B, Condensed matter and materials physics (Online)/anno:2012/pagina_da:035114/pagina_a:/intervallo_pagine:035114/volume:86

We address the in-plane pressure-dependent electrodynamics of graphite through synchrotron based infrared spectroscopy and ab initio Density Functional Theory calculations. The Drude term remarkably increases upon pressure application, as a consequen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f060381a8e6bca14ebbca8e0c67e397
http://arxiv.org/abs/1111.1126