Results 191 to 200 of about 54,610 (362)

The Role of Porosity in SERS

open access: yesAdvanced Optical Materials, EarlyView.
This review explores how engineered porous materials enhance surface‐enhanced Raman scatering (SERS) spectroscopy by synergizing analyte enrichment and electromagnetic field amplification. It is systematically evaluated four classes, nanoporous metals, plasmonic polymers, mesoporous silica, and metal‐organic frameworks (MOFs), highlighting their unique
Miguel A. Correa‐Duarte   +2 more
wiley   +1 more source

Epitaxial Self‐Assembled Vertically Aligned Nanocomposite Photoelectrodes with Tunable Ambipolar Response

open access: yesAdvanced Optical Materials, EarlyView.
Ambipolar photoelectrodes enable controlled switching between anodic and cathodic photocurrents in response to light and applied potential. This work demonstrates epitaxial self‐assembled vertically aligned NiTiO3–TiO2 nanocomposite thin films with tunable ambipolar behavior.
Ron Fishov   +3 more
wiley   +1 more source

Proving Optical Anisotropy and Polarization Effects in β‐Ga2O3$\left(\text{Ga}\right)_{2} \left(\text{O}\right)_{3}$ Nanomembranes via X‐Ray Excited Optical Luminescence

open access: yesAdvanced Photonics Research, EarlyView.
In this study, the pronounced anisotropy in the optical properties of β‐Ga2O3 nanomembranes has been analized under a synchrotron nanoprobe. We have investigated the site‐specific contributions of distint Ga ions to the emission bands by combining polarization‐dependent X‐ray absorption near‐edge structure and X‐ray excited luminescence.
Paula Pérez‐Peinado   +12 more
wiley   +1 more source

Towards 3D Mapping of BO6 Octahedron Rotations at Perovskite Heterointerfaces, Unit Cell by Unit Cell

open access: green, 2015
Qian He   +8 more
openalex   +2 more sources

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