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14 papers · 1 filter
Negative Backaction Noise in Interferometric Detection of a Microlever
J. Laurent, A. Mosset, O. Arcizet +3
Interferometric detection of mirror displacements is intrinsically limited by laser shot noise. In practice, however, it is often limited by thermal noise. Here we report on an exp…
Wafer-scale selective area growth of GaN hexagonal prismatic nanostructures on c-sapphire substrate
Xiao Jun Chen, Jun-Seo Hwang, Guillaume Perillat-Merceroz +5
Selective area growth of GaN nanostructures has been performed on full 2" c-sapphire substrates using Si3N4 mask patterned by nanoimprint lithography (array of 400 nm diameter circ…
Slow Conductance Relaxation in Insulating Granular Al: Evidence for Screening Effects
Julien Delahaye, Jean Honoré, Thierry Grenet
It is shown that the conductance relaxations observed in electrical field effect measurements on granular Al films are the sum of two contributions. One is sensitive to gate voltag…
Leakage radiation microscopy of surface plasmons launched by a nanodiamond-based tip
O. Mollet, A. Cuche, A. Drezet +1
Leakage-radiation microscopy of a thin gold film demonstrates the ability of an ensemble of fluorescent diamond nanoparticles attached onto the apex of an optical tip to serve as a…
On the imaging of electron transport in semiconductor quantum structures by scanning-gate microscopy: successes and limitations
Hermann Sellier, Benoit Hackens, Marco Pala +6
This paper presents a brief review of scanning-gate microscopy applied to the imaging of electron transport in buried semiconductor quantum structures. After an introduction to the…
Coupling of excitons and defect states in boron-nitride nanostructures
C. Attaccalite, M. Bockstedte, A. Marini +2
The signature of defects in the optical spectra of hexagonal boron nitride (BN) is investigated using many body perturbation theory. A single BN-sheet serves as a model for differe…