Student projects

Below you will find project proposals from VISION. You are always welcome to contact the supervisor for more information.
 

3D ATOMIC-RESOLUTION IMAGING OF NANOPARTICLES

Your task will be to investigate quantitative imaging techniques and mathematical reconstruction algorithms that enables 3D atomic-resolution imaging. Specifically, you will acquire atomic-resolution images of metallic nanoparticles and quantitatively analyze their contrast patterns with 3D structure determination as the ultimate goal.

BIOCATALYTIC DEVICES STUDIED BY OPTICAL AND ELECTRON MICROSCOPY                          

Your task will be to immobilize enzymes on solid supports, build catalytic devices and characterize them using state-of-the-art fluorescence optical microscopy (e.g., CLSM, STED) and transmission electron microscopy (TEM).

QUANTUM SCIENCE IN ELECTRON MICROSCOPY

Your work will be an important contribution to the ambitious efforts in DTU Physics’s VISION center for visualizing catalyst processes at the atomic-scale. The work will partly be conducted at the unique electron microscopy facility at Haldor Topsoe A/S. 

ELECTRON MICROSCOPY - MANAGING THE ELECTRON BUDGET

Your task will be to develop a system that can acquire beam and sample position information and reconstruct/map the electron dose history of a specimen during experiments.

 

CAPTURING AND OBSERVING 1E-16 MOL OF GAS

You will use graphene or hBN to seal cavities on these chips in various gasses and gas mixtures and measure how the gas leaks (or does not leak) out over time – and as a function of temperature

 

GAUSSIAN APPROXIMATION POTENTIAL FOR AMMONIA DECOMPOSITION OVER RUTHENIUM NANOCLUSTERS

In this project we shall develop a gaussian approximation potential (GAP) based on a newly developed fully bayesian mixture model mimicking gaussian process (Andreas Vishart & Thomas Bligaard, DTU Energy). Together with experimental colleagues at the VISION Center, DTU Physics, we shall use the GAP to study how ruthenium nanoclusters evolve during the ammonia decomposition process.


SEALING MICRON-SIZE HOLES GAS TIGHT

Building on existing experience with graphene, you will explore alternative methods of sealing with graphene and other 2D materials. The prime candidate is hexagonal boron nitride, hBN, but metal dichalgogenides such as MoS2 and WS2 are also very interesting to explore.

 

STABILITY OF PT-CU NANOCLUSTERS IN SINGLE-PARTICLE CATALYSIS

With the newly developed Ghost-BEACON method (Casper Larsen & Karsten Jacobsen, DTU Physics) it is possible to drastically accelerate the computational global optimization of the atomic structure of nanoclusters. In this project we shall extend the global optimization method to the case where the cluster is emerged in a reactive gas, and investigate the effect of the gas on structure and segregation.

ATOMIC RESOLUTION IMAGING - MAKING EVERY ELECTRON COUNT

Your task will be to map out the lower limit of electron dose exposure in order to acquire high resolution transmission electron microscopy images of a specimen under high pressure conditions.