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01-2019-IPS PhD Position: In situ characterization of multiferroic oxide systems during growth by pulsed laser deposition (PLD) with synchrotron radiation


PhD students (m/f/d)

Job description

The goal of the thesis is to gain fundamental understanding of the growth of complex oxides produced by pulsed laser deposition (PLD), thus enabling growth of multiferroic oxide systems with high scientific and technological relevance. 

The Ph.D. candidate will experimentally determine the structure of oxide films as a function of growth parameters, to study their influence on the magnetic and ferroelectric properties. The material systems will comprise both homogeneous multiferroic systems (LuFeO3/Lu2FeO4) and multiferroic sandwiches (BaFe12O19 (BaM)/Ba0.5Sr0.5TiO3 (BSTO)), i.e. multilayers consisting of ferroelectric and (anti)-ferromagnetic components. The main task is to study the evolution of the crystalline film structure and interface properties of these materials in-situ during growth by applying advanced in-situ x-ray methods with synchrotron radiation, integrated into a dedicated in-situ PLD chamber at KIT. The Ph.D. candidate will have access to unique synchrotron instrumentation for in-situ growth studies and the opportunity of interacting within an international collaboration, participating in experiments with various complementary characterization techniques, at European synchrotron radiation facilities and at leading laboratories for transmission electron microscopy (TEM) and ferroelectric and ferromagnetic properties measurements. In this way, the thesis will contribute to a deeper understanding of kinetic processes during growth, which may lead to single layers and multilayers with outstanding crystalline and interface qualities, resulting in improved multiferroic properties and promising novel multifunctional devices e.g. for spintronics and microwave techniques. We offer an attractive and modern workplace with access to the excellent facilities at KIT, diverse and responsible tasks, a wide range of advanced training options, supplementary pension with the VBL (Pension Authority for Employees in the Public Service Sector), flexible working-hours, a job ticket (BW) allowance, and a cafeteria/canteen.

Key words: Pulsed laser deposition, multiferroics, in-situ x-ray scattering, synchrotron radiation, electron microscopy, magnetoelectric coupling.


Personal qualification

  • Masters in physics or in materials science

  • Computer programming skills in Matlab, C++, Maple etc.

  • Skills in data evaluation software like Origin, Excel etc.

  • Fluency in both spoken and written English.


More details Apply

Higher Education Opportunities at the Institute for Photon Science and Synchrotron Radiation

If you are interested in being involved in research at the Institute of Photon Science and Synchrotron Radiation, please feel free to contact us. We generally offer projects for Batchelor and Master Theses in the following areas:

X-ray and related spectroscopy for the investigation of energy-relevant materials and devices (http://www.ips.kit.edu/5899.php, contact: Lothar Weinhardt (lothar weinhardt∂kit edu)

X-ray scattering methods in nanoscience and materials for information technology (http://www.ips.kit.edu/2757.php, contact: Anton Plech (anton plech∂kit edu), Svetoslav Stankov (svetoslav stankov∂kit edu)

X-ray Imaging methods for materials and biological structures (http://www.ips.kit.edu/5651.php , contact: experimental: Angelica Cecilia (angelica cecilia∂kit edu), theoretical: Ralf Hofmann (ralf hofmann2∂kit edu)

Projects for doctoral research are updated as and when available.