Super-resolution Optical Spectroscopy of Nanoscale Emitters within a Photonic Atom Probe - Archive ouverte HAL Access content directly
Journal Articles Nano Letters Year : 2020

Super-resolution Optical Spectroscopy of Nanoscale Emitters within a Photonic Atom Probe

Enrico Di Russo
Jonathan Houard
Ivan Blum
Simona Moldovan
Didier Blavette
Bernard Deconihout
Angela Vella
François Vurpillot
Lorenzo Rigutti

Abstract

Atom Probe Tomography (APT) is a microscopy technique allowing for the 3D reconstruction of the chemical composition of a nanoscale needle-shaped sample with a precision close to the atomic scale. The photonic atom probe (PAP) is an evolution of APT featuring in situ and operando detection of the photoluminescence signal. The optical signatures of the lightemitting centers can be correlated with the structural and chemical information obtained by the analysis of the evaporated ions. It becomes thus possible to discriminate and interpret the spectral signatures of different light emitters as close as 20 nm, well beyond the resolution limit set by the exciting laser wavelength. This technique opens up new perspectives for the study of the physics of low dimensional systems, defects and optoelectronic devices.
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Dates and versions

hal-03024946 , version 1 (26-11-2020)

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Enrico Di Russo, Pradip Dalapati, Jonathan Houard, Linda Venturi, Ivan Blum, et al.. Super-resolution Optical Spectroscopy of Nanoscale Emitters within a Photonic Atom Probe. Nano Letters, 2020, ⟨10.1021/acs.nanolett.0c03584⟩. ⟨hal-03024946⟩
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