Department of Molecular Physics

The research in the Department of Molecular Physics focuses on the structure and the intra- and inter-molecular dynamics of molecular systems, from diatomic molecules to biological macromolecules, either in isolation or in interaction with their environment. For this, new experimental methods to manipulate and control, to characterise and to spectroscopically investigate these molecular systems are developed and exploited. 
 

Research themes

“Spree Monitoring” wins Main Prize at the 2026 BPW Business Plan Competition Berlin-Brandenburg

2026 BPW Business Plan Competition Berlin-Brandenburg:  Daniel Fontoura Barroso and his team win the Main Prize

2026 BPW Business Plan Competition Berlin-Brandenburg: Daniel Fontoura Barroso and his team win the Main Prize

On January 22, 2026, Daniel Fontoura Barroso, member of the Molecular Physics Department, and his team have been awarded the Main Prize of the BPW Business Plan Competition Berlin‑Brandenburg. The team convinced the jury with its sensor-based monitoring system for bridges and other engineering structures — a solution addressing a challenge of significant public and infrastructure relevance.The BPW Business Plan Competition Berlin-Brandenburg is Germany’s largest regional start-up initiative, supporting founders in developing sustainable business models and bringing innovations to market.

The announcement by ILB Investitionsbank des Landes Brandenburg is available here:
https://www.ilb.de/de/bc-capital/news/pressemeldungen/2022/pressemeldung-2022_2067651.html

A video by the founders of Spree Monitoring is available here:
https://www.youtube.com/watch?v=nxIBJrO1i_A

We warmly congratulate Daniel and the entire Spree Monitoring team on this achievement.

Start-up “Spree Monitoring” wins Berlin Brandenburg Innovation Award 2025

Daniel Fontoura Barroso and his team win Berlin Brandenburg Innovation Award 2025

Daniel Fontoura Barroso and his team win Berlin Brandenburg Innovation Award 2025

On November 28, 2025, Daniel Fontoura Barroso, member of the Molecular Physics Department, and his team received the prestigious  Berlin Brandenburg Innovation Award 2025 for their start-up “Spree Monitoring GmbH”.

The official announcements are available
on the Berlin Senate website: https://www.berlin.de/sen/web/presse/pressemitteilungen/2025/pressemitteilung.1620744.php
and on the BAM website: https://www.bam.de/Content/DE/Pressemitteilungen/2025/2025-12-01-innovationspreis.html


We warmly congratulate Daniel and his team on this award!

 

News

Alexander von Humboldt research fellowships for Postdocs go to four FHI researchers.

In recognition of their scientific work, the Alexander von Humboldt Foundation is supporting four young researchers of the Fritz Haber Institute with a Humboldt Research Fellowship for Postdocs: Dr. Alexander Gorfer from the Theory Department, Dr. Roey Ben David and Dr. Young Jae Kim from the Interface Science Department, and Dr. Sejun An from the Molecular Physics Department. more

Building a small robotic vehicle in the workshops

As part of this year’s Girls’ Day on April 23, 2026, 32 girls aged 10 to 15 visited the Fritz Haber Institute and gained insight into the diverse work carried out in the research groups and workshops through hands-on experiments and craft projects. more

Schematic depiction of the deprotonated dimer of phosphoric acid.

Whether in our bodies or in fuel cells, phosphoric acid plays an important role in many chemical processes because it is exceptionally good at transporting charges. Researchers from the Department of Molecular Physics at the Fritz Haber Institute gained new molecular insights into this remarkable property of the small molecule. more

Photo of group leader Dominik Stemer

Dr. Dominik Stemer, postdoctoral researcher in the Department of Molecular Physics at the Fritz Haber Institute, has been accepted by the German Research Foundation (DFG) into the prestigious Emmy Noether Program. Starting by the beginning of 2026, he will head the research group “Enantiosensitive Photoelectron Spectroscopy of Chiral Aqueous Solutions,” which will focus on researching chirality in aqueous solutions of amino acids. more

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