Master Thesis in Physics or Materials Science - Atomic-Scale Stud...

Master Thesis in Physics or Materials Science - Atomic-Scale Study of 2D van der Waals Heterostructures Using STM

Novel low-dimensional electronics are the key to future sustainable information technologies. At the Peter Grünberg Institute - Electronic Materials (PGI-7), we develop hardwares for energy-efficient AI and Neuromorphic computing. Two-dimensional (2D) materials, such as graphene and hexagonal boron nitride (h-BN), are among the most promising platforms for next-generation nanoelectronics and quantum technologies due to their exceptional electronic properties and atomically confined interfaces. Understanding atomic-scale stacking, defects, grain boundaries, and edge structures is essential for designing future 2D heterostructure devices.

Your Job

In this thesis project, the project focuses on the atomic-scale characterization of graphene-based van der Waals heterostructures using low-temperature scanning tunneling microscopy and spectroscopy (LT-STM/STS) at 5K. We will directly visualize atomic structures and probe the local electronic states of low-dimensional materials with atomic-scale spatial resolution. This master thesis offers the opportunity to investigate graphene-based van der Waals heterostructures at the atomic scale, providing fundamental insights into the relationship between crystal structure and electronic properties.

In this project, your tasks will be to further investigate monolayer h-BN/graphene and graphene/graphene heterostructures:

• Atomic structure and stacking configuration
• Defects and grain boundaries
• Edge termination (zigzag and armchair)
• Local electronic structures (LDOS)

The student will gain hands-on experience in ultra-high vacuum (UHV) operation, LT-STM/STS measurements, and the analysis of atomic-resolution structural and spectroscopic data.

Your Profile

• Completed qualification to enroll for the Master thesis in Physics or Materials Sciences, with a good track record
• Willingness to familiarise yourself with new methods or new scientific challenges
• Interest in issues about nanoelectronics and surface science.
• Previous knowledge in low-dimensional materials and surface characterization is desirable
• Fluent knowledge of written and spoken English
• High degree of motivation and reliability and analytical working style
• Excellent ability to cooperate and work in a team

Our Benefits for You

We work on highly relevant innovative topics and offer you the possibility to actively shape the change. We support you with:

• Meaningful Research: An interesting and socially relevant topic for your thesis with future-oriented themes
• Practical Experience: Ideal conditions for gaining practical experience alongside your studies
• Scientific Environment: An interdisciplinary collaboration on projects in an international, committed and collegial team
• Advanced Equipment: Excellent technical equipment and the newest technology
• Expert Guidance: Qualified support through your scientific colleagues
• Independent Work: The chance to independently prepare and work on your tasks
• Fair Remuneration: Employment on standard employment rate for Master students at FZJ for up to 12 months
• Perspective: Continuation into a PhD project opportunity will be considered at the end of the project.

In addition to exciting tasks and a collegial working environment, we offer you much more: https://go.fzj.de/benefits

We welcome applications from people with diverse backgrounds, e.g. in terms of age, gender, disability, sexual orientation / identity, and social, ethnic and religious origin. A diverse and inclusive working environment with equal opportunities in which everyone can realize their potential is important to us.

The following links provide further information on diversity and equal opportunities: https://go.fzj.de/equality and on specific support options: https://go.fzj.de/womens-job-journey

Place of Employment: Jülich

Start Date: To the next possible date

Salary: You will receive appropriate remuneration for your thesis work.

Application Deadline: The position will be published until it is successfully filled.

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