Luminescent Materials studied by tip enhancement techniques in a Scanning Tunneling Microscopy

• Grant number: 25/19695-6
• Support Opportunities: Scholarships in Brazil - Post-Doctoral
• Start date: November 01, 2025
• End date: October 31, 2026
• Field of knowledge: Physical Sciences and Mathematics - Physics - Condensed Matter Physics
• Principal Investigator: Luiz Fernando Zagonel
• Grantee: Douglas do Santos Ribeiro
• Host Institution: Instituto de Física Gleb Wataghin (IFGW). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
• Associated research grant: 21/06893-3 - Optically active materials studied by scanning tunnelling microscopy, AP.JP2

Abstract

Within the scope of the associated JP2 project, this plan proposes the development and application of a tip-enhanced Raman spectroscopy (TERS) and tip-enhanced Photo-Luminescence (TEPL) systems coupled to a scanning tunneling microscope (STM), employing a parabolic mirror inside the ultra-high vacuum chamber. This configuration will enable the integration of scanning tunneling microscopy-induced luminescence (STM-L), TEPL, and TERS, thus combining atomic-scale resolution in topography and electronic structure with optical and vibrational characterization at the nanometer scale. The focus will be on transition metal dichalcogenides (TMDs) and hexagonal boron nitride (h-BN), aiming to elucidate the correlation between morphology, electronic properties, and optical emission, as well as to investigate single-photon emitters.