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Humboldt-Universität zu Berlin - Faculty of Mathematics and Natural Sciences - Physics of low-dimensional systems

Physics of low-dimensional systems





Welcome to our group website!


The main topic of our experimental research is the physics of low-dimensional solid-state systems. We focus on investigating 1D-systems (carbon nanotubes, confined carbyne), 2D-structures (graphene, transition-metal dichalcogenides), and their heterostructures by confocal and tip-enhanced Raman spectroscopy. We want to understand the physics that governs the behavior of these materials, achieve active control over their optical properties, and use them to explore advanced concepts like molecular optomechanics.


News & Highlights


  • October 5, 2021: Sebastian gives a talk at the Integrative Reseach Institute for Science (IRIS) of Berlin on Exploring Confined Carbyne.



















  • October 3, 2021: Welcome to Berlin, Gétulio! Gétulio Silva e Souza Júnior from the Universidade Federal do Rio de Janeiro in Brazil joins our group as a project student.


  • October 1, 2021: Welcome Johannes! Johannes Lechner from the Ludwig-Maximilians-Universität Munich joins our group as a PhD student.




  • May 1, 2021: Welcome Pablo! Pablo Hernández López from the Freie Universität Berlin joins our group as a PhD student.


  • March 17, 2021: Sebastian takes part in the HU Optics Spring Meeting 2021 with his talk Exploring confined carbyne.


  • March 1, 2021: Our group is born! Dr. Sebastian Heeg joins the Institut für Physik of the Humboldt University as the leader of the Emmy-Noether-Group PLD (Physics of Low Dimensional systems) with the project Carbyne for Optoelectronics and Optomechanics.