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South HollandOn site38 hours/week<3months
A postdoctoral researcher is sought to lead the instrumentation development for a research project focused on diffractive atomic-scale surface imaging with backscattered electrons.
- The project aims to develop a new type of scanning electron microscope that uses coherent backscattered electrons for diffractive imaging of material surfaces.
- This involves combining electron optics, MEMS technology, experimental microscopy, and computational imaging to open new possibilities for high-resolution surface imaging at low electron energies.
What you do
- You will take technical and scientific ownership of the instrument development, from electron-optical design through to fabrication, integration, and experimental demonstration.
- You will work closely with two PhD candidates: one focusing on experimental imaging and microscope characterization, the other on computational imaging approaches and surface science.
- You will design and characterize compact electron-optical components that can separate the desired coherent backscattered-electron signal from the primary beam and direct it towards a dedicated detector.
- You will coordinate the fabrication and integration of these components and lead the commissioning and optimization of the experimental instrument.
- Your work will span electron-optical design, electromagnetic and ray-tracing simulations, MEMS and nanofabrication, vacuum technology, detector integration, and experimental microscopy.
- You will establish the performance of the instrument and the conditions needed to acquire high-quality diffraction data.
- You will work with computational-imaging PhD candidates to connect experimental measurements to reconstruction and imaging methods.
- The position offers substantial scope to shape the technical direction of the project and to develop new instrumentation from concept through to experimental demonstration.
- You will have access to a new high-vacuum SEM and the broader electron microscopy infrastructure of the department.
What they ask
- A PhD degree in physics, applied physics, electrical engineering, mechanical engineering, materials science, or a closely related field.
- A strong background in experimental physics, electron optics, electron microscopy, charged-particle optics, or scientific instrumentation.
- Experience designing, building, or characterizing experimental systems.
- Strong analytical and problem-solving skills, with the ability to work independently.
- The ability to work effectively across disciplinary boundaries and contribute actively to a collaborative research team.
- Good written and spoken English communication skills.
Preferences.
- Experience with numerical simulation, scientific programming, or electromagnetic modeling is valuable.
- Experience or interest in electron optics, ray tracing, electromagnetic simulation, MEMS, nanofabrication, vacuum systems, detector technology, electronics, or experimental microscopy is particularly valuable.
- Experience with electron microscopy is useful but not essential if you have a strong background in related instrumentation or charged-particle optics and are motivated to learn.
How to apply
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