Team
title: t(:staff_details_view) style="display:inline" href: '#', title: t(:staff_activate_details_view), role: 'button' style='display:none' aria-label=t(:staff_activate_details_view)title: t(:staff_list_view) style="display:none" href: '#', title: t(:staff_activate_list_view), role: 'button' style='display:inline' aria-label=t(:staff_activate_list_view)
![Profilbild von Gabriel Bester](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/13537404/gabriel-bester-portrait-1c1bebb60afc8e89b147d9a32caa63f564d54f79.jpg)
Photo: Nina Schober
Research group leader
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2001, HARBOR, Bldg. 610
Tel: +49 40 42838-5893
![Picture will follow](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/27338577/platzhalter-en-180x240-cb7062b69579ac4b1136e783017db119276c6496.jpg)
Photo: CS
Student Research Assistant
Key aspects of activity
- Erzeugung und Relaxierung von Moiré pattern aus TMDCs
- molecular dynamics (MD) Simulationen für die Strukturoptimierung.
![adell](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/36035758/adell-2524a2fee083337689785e830e5269a370c80a76.jpg)
Photo: florianmaur
Team Assistant
Luruper Chaussee 149
22761 Hamburg
Room: 2007, HARBOR
Tel: +49 40 42838 4685
Office hours
- Monday to Thursday 7.30 a.m. to 4 p.m.
- Friday 7.30 a.m. to 3 p.m.
![Profilfoto von Freya Diekmann](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/34740985/freya-diekmann-portrait-1108b3cdee2590de9eb3066e83083331736ca9ee.jpg)
Photo: Freya Diekmann
Student Research Assistant
Key aspects of activity
- Identification of plasmon-like states in gold nanoclusters (with Dr. T. Steenbock)
![Tobias Dittmann](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/25085574/dittmann-180x240-a1a8eb585d57ffe9fd471a17558364c33894e282.jpg)
Photo: td
PhD Student
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2015, HARBOR, Bldg. 610
Tel: +49 40 42838-4827
Key aspects of activity
- Exciton-phonon-coupling (with Dr. T. Steenbock).
- Ligand and surface effects in CdSe quantum dots (with Dr. T. Steenbock).
- Spin coupling and stability of transition-metal doped ZnS quantum dots (with Dr. T. Steenbock)
![Portrait](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/30894087/fischer-franz-180x240-794c4a2419f3910934a94c2dd594d617b2e76299.jpg)
Photo: Franz Fischer
PhD Student
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2002, HARBOR, Bldg. 610
Email: franz.fischer"AT"mpsd.mpg.de
![Bild folgt](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/27338311/platzhalter-180x240-3b9420b0a9ee22d1ff1c970754096de9d3e574f3.jpg)
Photo: CS
Student Research Assistant
Key aspects of activity
- Relativistic effects on bonding energies (with Dr. Torben Steenbock)
Master Student
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
![Portrait Surender Kumar](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/31088747/kumar-surender-180x240-308dce7aea72610bfbf2e6f21b32939323641552.jpg)
Photo: Surender Kumar
PhD Student
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2036, HARBOR, Bldg. 610
Tel: +49 40 42838-9179
![Bild folgt](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/27338311/platzhalter-180x240-3b9420b0a9ee22d1ff1c970754096de9d3e574f3.jpg)
Photo: CS
Student Research Assistant
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
![Portrait Carl Emil Mørch Nielsen](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/30883090/nielsen-carl-180x240-c03b446c7bdcca803794f6209f47dc1db8cd38f2.jpg)
Photo: Carl Emil Mørch Nielsen
PhD Student
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2002, HARBOR, Bldg. 610
PostDoc
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2005, HARBOR, Bldg. 610
![Profilbild von Walter Pfäffle](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/13537342/walter-pfaeffle-portrait-98920bf77b1fcc78a13c8021a82a1d2f51821ebe.jpg)
Photo: Marie Meins
PhD Student
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2002, HARBOR, Bldg. 610
Tel: +49 40 42838-9179
![Profilbild von Geoffrey Pirard](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/13537506/geoffrey-pirard-portrait-0fd69f63900a3f5b04e7f12d7a80deb919b497b9.jpg)
Photo: Geoffrey Pirard
PhD Student
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2015, HARBOR
Tel: +49 40 42838-4827
![1](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/32180411/marta-eba440249cf5e9188d54308e06ef8851db5ee3bf.jpg)
Photo: 1
PostDoc
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2006, HARBOR, Bldg. 610
Tel: +49 40 42838-1649
![Lawrence Rybakowski](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/24944015/rybakowski-lawrence-portrait-5a50a58e7f978ae5fb893840e7a635146ab95634.png)
Photo: LR
PhD Student (shared with Herrmann group)
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2039, HARBOR, Bldg. 610
Tel: +49 40 42838-6536
Postdoc
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
![Profilbild von Torben Steenbock](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/13537358/torben-steenbock-portrait-6ce994cc56217c0c03a57d88ae7620ec0dc2903f.jpg)
Photo: Marie Meins
PostDoc
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2003, HARBOR, Bldg. 610
Tel: +49 40 42838-5534
Key aspects of activity
- Optical properties of metal nanoclusters (with F. Diekmann, A. Heilmann and F. Pentz)
- Influence of relativistic effects on bonding energies (with F. Junker)
- Influence of surface effects on the optical properties of CdSe quantum dots (with T. Dittmann and E. Drescher)
- Optical properties of perovskite quantum dots (with M. Mogilowski)
- Spin coupling in optically excited states (with L. Rybakowski)
- Anisortropic exchange interactions (with L. Rybakowksi)
- Exciton-phonon coupling (with T. Dittmann)
- Devlopment of an atomistic understanding of Rashba effects in quantum dots (with T. Dittmann)
![Nadine Tewonove](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/25015095/tewonove-nadine-180x240-1743f2b044ebf013434fbb1c09d17298e66e1228.jpg)
Photo: NT
PhD Student
Institute of Physical Chemistry
Research Group Bester
Luruper Chaussee 149
22761 Hamburg
Room: 2016, HARBOR, Bldg. 610
Tel: +49 40 42838-5463