Postdoc: Time-Resolved X-ray Nanoimaging for Semiconductors

1000scholars; Villigen; On-site; CHF 65,000 - 90,000; Full time

Job summary

EPFL’s Laboratory for Nanoscale X-ray Metrology invites applications for a Postdoctoral Researcher in time-resolved X-ray nanoimaging to study semiconductor reliability. You will develop acquisition and reconstruction methods, work with high-resolution 3D imaging, and perform experiments at synchrotron facilities including cSAXS at SLS.

The role focuses on algorithm development for sparsity-driven 3D dynamics reconstruction, with strong emphasis on imaging physics, data analysis, and

Qualifications

• PhD in physics, engineering or computer science or a related field.
• Experience with inverse problems and 3D reconstruction methods for tomography, laminography, or a closely related modality.
• Strong programming skills in Python and experience with GPU processing of large-scale datasets.
• Excellent written and oral communication skills in English.

Responsibilities

• Develop an acquisition and reconstruction framework exploiting sparsity of dynamics and chip structure to detect nanoscale changes from few X-ray measurements.
• Advance algorithms for time-resolved 3D dynamics reconstruction and sparse sensing.
• Demonstrate methods at synchrotron experiments including the cSAXS beamline of the Swiss Light Source and other facilities.
• Lead independent research directions with opportunities for close collaboration.

Skills

Python

GPU processing

Inverse problems

3D reconstruction

Tomography

Laminography

Ptychography

Sparse sensing

Bayesian design

Machine learning

Education

PhD in physics

PhD in engineering

PhD in computer science

Tools

Python

GPU computing

Ptychography software

Job description

EPFL’s Laboratory for Nanoscale X-ray Metrology invites applications for a Postdoctoral Researcher in time-resolved X-ray nanoimaging to study semiconductor reliability. You will develop acquisition and reconstruction methods, work with high-resolution 3D imaging, and perform experiments at synchrotron facilities including cSAXS at SLS.

The role focuses on algorithm development for sparsity-driven 3D dynamics reconstruction, with strong emphasis on imaging physics, data analysis, and