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Showing 1 to 12 of 116 entries
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Quantum mechanical effects in plasmonic structures with subnanometre gaps.

Nature communications

Zhu W, Esteban R, Borisov AG, Baumberg JJ, Nordlander P, Lezec HJ, Aizpurua J, Crozier KB.
PMID: 27255556
Nat Commun. 2016 Jun 03;7:11495. doi: 10.1038/ncomms11495.

Metallic structures with nanogap features have proven highly effective as building blocks for plasmonic systems, as they can provide a wide tuning range of operating frequencies and large near-field enhancements. Recent work has shown that quantum mechanical effects such...

Interaction of sine-Gordon kinks and breathers with a parity-time-symmetric defect.

Physical review. E, Statistical, nonlinear, and soft matter physics

Saadatmand D, Dmitriev SV, Borisov DI, Kevrekidis PG.
PMID: 25493853
Phys Rev E Stat Nonlin Soft Matter Phys. 2014 Nov;90(5):052902. doi: 10.1103/PhysRevE.90.052902. Epub 2014 Nov 03.

The scattering of kinks and low-frequency breathers of the nonlinear sine-Gordon (SG) equation on a spatially localized parity-time-symmetric perturbation (defect) with a balanced gain and loss is investigated numerically. It is demonstrated that if a kink passes the defect,...

Active quantum plasmonics.

Science advances

Marinica DC, Zapata M, Nordlander P, Kazansky AK, M Echenique P, Aizpurua J, Borisov AG.
PMID: 26824066
Sci Adv. 2015 Dec 18;1(11):e1501095. doi: 10.1126/sciadv.1501095. eCollection 2015 Dec.

The ability of localized surface plasmons to squeeze light and engineer nanoscale electromagnetic fields through electron-photon coupling at dimensions below the wavelength has turned plasmonics into a driving tool in a variety of technological applications, targeting novel and more...

Subsurface-channeling-like energy loss structure of the skipping motion on an ionic crystal.

Physical review letters

Villette J, Borisov AG, Khemliche H, Momeni A, Roncin P.
PMID: 11019285
Phys Rev Lett. 2000 Oct 09;85(15):3137-40. doi: 10.1103/PhysRevLett.85.3137.

The skipping motion of Ne+ ions in grazing scattering from the LiF(001) surface is studied for velocity below 0.1 a.u. with a time-of-flight technique. It is demonstrated that suppression of electronic excitation and dominance of optical phonon excitation in...

Effect of an atomically thin dielectric film on the surface electron dynamics: image-potential states in the Ar/Cu(100) system.

Physical review letters

Marinica DC, Ramseyer C, Borisov AG, Teillet-Billy D, Gauyacq JP, Berthold W, Feulner P, Höfer U.
PMID: 12144494
Phys Rev Lett. 2002 Jul 22;89(4):046802. doi: 10.1103/PhysRevLett.89.046802. Epub 2002 Jul 03.

The effect of an atomically thin Ar layer on the image-potential states on Cu(100) surfaces is studied in a joint experimental-theoretical study, allowing a detailed analysis of the interaction between a surface electron and a thin insulator layer. A...

[Postinfarction remodeling and left ventricular aneurysm].

Klinicheskaia meditsina

Simonenko VB, Borisov IA, Bletkin AN.
PMID: 17682483
Klin Med (Mosk). 2007;85(6):8-13.

The degree of cardiac insufficiency, which to a large extent is determined by changes in the volume and geometric characteristics of the left ventricle (LV), is an important prognostic factor of survival of patients after myocardial infarction. The term...

Variable-temperature NMR study of the enol forms of benzoylacetones.

Magnetic resonance in chemistry : MRC

Borisov EV, Skorodumov EV, Pachevskaya VM, Hansen PE.
PMID: 16142833
Magn Reson Chem. 2005 Dec;43(12):992-8. doi: 10.1002/mrc.1673.

The enol forms of the beta-diketones, benzoylacetones, have been studied using long-range carbon-hydrogen couplings involving the chelate OH proton, O1H chemical shifts, 13C chemical shifts and deuterium isotope effects on 13C chemical shifts. Studies were done in the temperature...

Pi resonance of chemisorbed alkali atoms on noble metals.

Physical review letters

Borisov AG, Sametoglu V, Winkelmann A, Kubo A, Pontius N, Zhao J, Silkin VM, Gauyacq JP, Chulkov EV, Echenique PM, Petek H.
PMID: 19113781
Phys Rev Lett. 2008 Dec 31;101(26):266801. doi: 10.1103/PhysRevLett.101.266801.

We have performed a joint experimental and theoretical study of the unoccupied electronic structure of alkali adsorbates on the (111) surfaces of Cu and Ag. Combining angle- and time-resolved two-photon photoemission spectroscopy with wave packet propagation calculations we show...

A scanning tunneling microscope as a tunable nanoantenna for atomic scale control of optical-field enhancement.

Nano letters

Riedel D, Delattre R, Borisov AG, Teperik TV.
PMID: 20825159
Nano Lett. 2010 Oct 13;10(10):3857-62. doi: 10.1021/nl101246z.

The high stability of a low temperature (9 K) scanning tunneling microscope junction is used to precisely adjust the enhancement of an external pulsed vacuum ultraviolet (VUV) laser. The ensuing VUV optical-field strength is mapped on an hydrogenated Si(100)...

Robust subnanometric plasmon ruler by rescaling of the nonlocal optical response.

Physical review letters

Teperik TV, Nordlander P, Aizpurua J, Borisov AG.
PMID: 23848876
Phys Rev Lett. 2013 Jun 28;110(26):263901. doi: 10.1103/PhysRevLett.110.263901. Epub 2013 Jun 28.

We present the optical response of two interacting metallic nanowires calculated for separation distances down to angstrom range. State-of-the-art local and nonlocal approaches are compared with full quantum time-dependent density functional theory calculations that give an exact account of...

Dichloridobis(pyridine-2-seleno-lato-κ(2) N,Se)tin(IV).

Acta crystallographica. Section E, Structure reports online

Mammadova GZ, Ismaylova SR, Matsulevich ZV, Osmanov VK, Borisov AV, Khrustalev VN.
PMID: 24046550
Acta Crystallogr Sect E Struct Rep Online. 2013 Jun 08;69:m364-5. doi: 10.1107/S1600536813014657. eCollection 2013.

The title compound, [SnCl2(C5H4NSe)2], is the product of a reaction of 2,2'-dipyridyl diselenide with tin tetra-chloride. The mol-ecule is located about a twofold rotation axis. The coordination environment of the Sn(IV) atom is a distorted octa-hedron, with two bidentate...

Quantum effects and nonlocality in strongly coupled plasmonic nanowire dimers.

Optics express

Teperik TV, Nordlander P, Aizpurua J, Borisov AG.
PMID: 24216954
Opt Express. 2013 Nov 04;21(22):27306-25. doi: 10.1364/oe.21.027306.

Using a fully quantum mechanical approach we study the optical response of a strongly coupled metallic nanowire dimer for variable separation widths of the junction between the nanowires. The translational invariance of the system allows to apply the time-dependent...

Showing 1 to 12 of 116 entries