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Maier, Stefan A.
Universidad de Cantabria
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024Anti Stokes Thermometry of Plasmonic Nanoparticle Arrayscitations
- 2023Anti Stokes Thermometry of Plasmonic Nanoparticle Arrayscitations
- 2021Coherent interaction of atoms with a beam of light confined in a light cagecitations
- 2020In situ photothermal response of single gold nanoparticles through hyperspectral imaging anti-stokes thermometrycitations
- 2018Multiphase strontium molybdate thin films for plasmonic local heating applicationscitations
- 2018Monitoring plasmonic hot-carrier chemical reactions at the single particle levelcitations
- 2018Polarization control of high transmission/reflection switching by all-dielectric metasurfacescitations
- 2015Optimizing Strontium Ruthenate Thin Films for Near-Infrared Plasmonic Applicationscitations
- 2012Role of defects in the phase transition of VO2 nanoparticles probed by plasmon resonance spectroscopycitations
- 2012Subgroup decomposition of plasmonic resonances in hybrid oligomerscitations
- 2011Structure of plasmonic aerogel and the breakdown of the effective medium approximationcitations
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article
Role of defects in the phase transition of VO2 nanoparticles probed by plasmon resonance spectroscopy
Abstract
Defects are known to affect nanoscale phase transitions, but their specific role in the metal-to-insulator transition in VO<sub>2</sub> has remained elusive. By combining plasmon resonance nanospectroscopy with density functional calculations, we correlate decreased phase-transition energy with oxygen vacancies created by strain at grain boundaries. By measuring the degree of metallization in the lithographically defined VO<sub>2</sub> nanoparticles, we find that hysteresis width narrows with increasing size, thus illustrating the potential for domain boundary engineering in phase-changing nanostructures.