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Portal > Offres > Offre UPR8011-MARHYT-004 - Chercheur contractuel (H/F) en holographie électronique avancée des champs à l'échelle nanométrique

Postdoctoral position (M/F). Advanced electron holography of nano fields.

This offer is available in the following languages:
Français - Anglais

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General information

Reference : UPR8011-MARHYT-004
Workplace : TOULOUSE
Date of publication : Wednesday, May 27, 2020
Type of Contract : FTC Scientist
Contract Period : 12 months
Expected date of employment : 1 October 2020
Proportion of work : Full time
Remuneration : 2617€ to 3729€ gross/month as a function of experience
Desired level of education : 5-year university degree
Experience required : Indifferent


We are looking for a creative postdoctoral research scientist to join the team at CEMES-CNRS working on the development of electron holography (I3EM group). There are several areas in which the successful candidate could contribute:

• In-situ and operando electron holography. In particular, magnetic switching, electrical biasing and mechanical straining experiments on nanostructures and devices
• Extreme sensitivity measurements of electric, magnetic and strain fields through automation
• Novel interference experiments exploiting the double-stage of the I2TEM microscope and pre-specimen biprism to create structured and split-beam illumination
• Time-resolved electron holography in the nanosecond or femtosecond regime.

Part of the successful candidate's duties will be to accompany external users with electron holography experiments within the European infrastructure for electron microscopy (ESTEEM3 project) and the national METSA and MIMETIS projects.

The initial contract of 12 months is extendable to 36 months (3 years). Starting date flexible.


The main activities will be to:

• Perform (in-situ) electron holography experiments
• Develop novel forms of electron interferometry
• Study the nanoscale physics of thin films and devices
• Accompany external users in TEM experiments


We are looking for a candidate experienced in electron holography and interested in developing novel interferometry experiments with electrons. Candidates skilled in quantitative electron microscopy imaging techniques (preferably in parallel illumination conditions) and willing to learn will be also considered. Knowledge of the physics of magnetism and/or ferroelectrics and/or microelectronics devices is a definite plus. The successful candidate should have good team spirit, dedicated work ethic and fluent in written and spoken English.

Work Context

CEMES-CNRS is part of the ESTEEM3 European infrastructure for electron microscopy and of the French METSA project.

Electron holography will be carried out our I2TEM microscope dedicated to in-situ interferometry: a Hitachi HF-3300 (C) equipped with a cold field emission gun, additional Lorentz stage placed above the objective lens for field-free imaging, an image corrector for wide fields of view (CEOS B-COR), four electron biprisms, rapid 4k × 4k CCD camera (OneView, Gatan) and imaging filter (GIF Quantum ER, Gatan). Chip-based biasing holders from Gatan and Hummingbird complete the setup.
The latest ultrafast TEM with a femtosecond cold-emission gun is currently being installed in our joint laboratory HC-IUMi (Hitachi-CNRS Infrastructure of Ultrafast Microscopy) between the CNRS and Hitachi High Technologies.

Specimen preparation facilities include a dual-beam FIB-SEM (ThermoFisher Helios Nanolab 600i) equipped with Omniprobe micromanipulator and 5 gas injectors.

Additional Information

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