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volume: 75% v. H.
restriction: three years
salary: TV-L EG 13
beginning: as soon as possible

The Department of Mathematics and Natural Science, in Institute for Physics, Fundamentals of Energy Materials offers a job position for a

Ph.D. student (f/m/d)

available as soon as possible for a duration of 3 years.

The department of Fundamentals of Energy Materials is one of the leading groups in the analysis of semiconductor interfaces and in the development of a low-defect, high-performance III-V compound semiconductors integrated with low-cost Si substrates for highly efficient solar energy conversion into electricity or to hydrogen. The position is a part of a project in which III-V heterostructures are prepared by metalorganic chemical vapor deposition for direct photoelectrochemical conversion of sunlight into hydrogen from water reduction or gas / liquid fuels from carbon dioxide reduction. The research will focus on characterizing the energetic alignment of junctions and interfaces in multi-junction absorbers, and on understanding the dynamics of charge carrier transport, transfer, and recombination through the semiconductor / catalyst / metal oxide heterostructures in a contact with and aqueous electrolyte. To this end, we offer a unique infrastructure that includes epitaxy, in situ spectroscopy, and in vacuo surface science techniques (such as STM, FTIR, LEED, and UPS/XPS) located in a high-end cleanroom. We offer international group and a teamwork environment. The department is a member of the cross-faculty Institute of Micro- and Nanotechnologies offering further sophisticated analytics equipment and expertise. The funding will support participation at national and international conferences, as well as the opportunity to establish connections with other world-leading research groups with which we are currently collaborating. An active participation of the Ph.D. student in teaching is desired.

Besides its excellent campus, Ilmenau is a small, vivid, and affordable student city. Located in the virtual center of Germany with a direct connection to the city of Erfurt, it is surrounded by the beautiful nature of the “Thüringer Wald”, famous for outdoor activities.


Tasks

Independent and team-oriented development of basic and application-oriented research, within one or more of the following research areas:

  • Physics and chemistry of solid-solid and liquid-solid interfaces
  • Preparation and epitaxial growth of semiconductor films
  • Interface analysis in ultra-high vacuum with XPS, UPS, FTIR, LEED, STM...,
  • ex situ analysis of III-V semiconductors such as SEM, AFM, HR-XRD, ECCI, tr-PL…,
  • Optical in situ spectroscopy.


Requirements

The applicant should:

  • hold a suitable scientific degree in a natural science program with documented above-average performance,
  • have very good knowledge in semiconductor physics, chemistry, epitaxy, optical spectroscopy or interfacial analysis, and
  • show a strong interest and commitment in research, good teamwork and experimental skills.
The university stands in the fields of technology, mathematics and natural sciences, business and media for teaching and research at the highest level. She attaches particular importance to innovative teaching and interdisciplinarity. She identifies with Humboldt's ideals and pursues the vision of a cosmopolitan campus family.

Technische Universität Ilmenau is holder of the „TOTAL E-Quality“ distinction and emphasizes gender equality.

Severely disabled applicants with essentially identical professional suitability will be preferentially selected.

Technische Universität Ilmenau offers flexible working time models.


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