PostDoc – Quantum Nanomaterials, ICN2, Barcelona, Spain

International Postdoctoral Researcher at CITIUS, Spain

PostDoc – Quantum Nanomaterials: The Catalan Institute of Nanoscience and Nanotechnology (ICN2) is seeking a highly motivated Post-doctoral Researcher to join Prof. Jordi Arbiol’s group. This role focuses on atomic-scale scanning transmission electron microscopy (STEM) characterization of quantum materials and devices.

PostDoc – Quantum Nanomaterials and Hybrid Semiconductor/Superconductor Heterostructures at the Atomic-Scale – ICN2 & ALBA Synchrotron

Designation: Post-doctoral Researcher

Research Area: Advanced Electron Nanoscopy

Location: Bellaterra (Barcelona)


  • Ph.D. degree in physical sciences, materials science, nanotechnology, or related fields.
  • Hands-on experience with transmission electron microscopes, including knowledge of electron microscopy principles, concepts, and applications.
  • Advanced sample preparation (FIB) and data analysis skills.

Preferred Knowledge:

  • Experience with advanced transmission/scanning electron microscopes using aberration-corrected optics and direct electron detection systems.
  • Experience with 4D-STEM analysis.
  • Experience with data collection and interpretation of electron energy loss spectroscopy (EELS).
  • Experience with cooling/heating in-situ S/TEM analysis and temperature holders.
  • Basic knowledge of semiconductor and superconductor physics.
  • Experience with semiconductor heterostructures analyses, 2D structures, nanowires.

Personal Competences:

  • Excellent interpersonal skills for interaction with co-workers, management, and support of a wide user community of students, post-doctoral researchers, and faculty.
  • Excellent oral and written communication skills with experience in delivering oral technical presentations to scientific audiences.

Job Description:
The PostDoc will focus on atomic-scale STEM characterization of quantum materials and devices. Responsibilities include:

  • Engaging in focused ion beam (FIB) sample preparation.
  • Utilizing analytical techniques such as energy-dispersive x-ray spectroscopy (EDS) and electron energy loss spectroscopy (EELS).
  • Performing advanced STEM-related atomic-scale characterization of semiconductor and hybrid (semiconductor/superconductor) devices for quantum applications (Qubits for quantum computing).
  • Conducting in-situ cooling experiments and data analysis automation, particularly low-loss EELS and valence EELS (VEELS) bandgap mapping in hybrid semi-super heterostructures.
  • Assisting in MSc and PhD students’ supervision and training.

Available Instruments:

  • Thermo Fisher Spectra 300 and Spectra ULTRA with advanced capabilities.
  • Cooling, heating, and biasing sample holders (DENSsolutions ARCTIC, STREAM, and CLIMATE).
  • FEI F20 200 KeV STEM, EELS + EDX.
  • Fully automated FIB Helios 5UX.
  • FEI SEM Quanta and SEM Magellan.

How to Apply:
All applications must be submitted via the ICN2 website and include:

  • A cover letter.
  • A full CV with contact details.
  • 2 reference letters or referee contacts.

Applications will be continuously reviewed. Shortlisted candidates will be invited for interviews.

Last Date for Apply: Applications will be continuously reviewed until the position is filled.

Equal Opportunities:
ICN2 is an equal opportunity employer committed to diversity and inclusion of people with disabilities. ICN2 follows the procedure for the contract of people with disabilities according to article 59 of the Royal Decree 1/2015, of 30 of October.

Summary of Conditions:

  • Full-time work (37.5h/week)
  • Temporary contract (3 years)
  • Salary depending on qualifications and experience
  • Support for relocation issues
  • Life insurance
  • Estimated incorporation date: September



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