Applied Physicist

Applied Physicist

CERN - European Organization for Nuclear Research

Geneva, Switzerland

Job Description

Are you an Applied Physicist or an Engineer, with the passion of understanding the properties of materials when pushed under extreme conditions?

You will investigate the effect of plasma surface treatments on the materials resistance to electrical breakdown, making use of state-of-the art test facilities that you will help to develop further. Within this project you will work in close collaboration with experts in plasmas, RF technology, vacuum technology and surface science, and help understanding the role of the surface chemistry and of ultra-high vacuum conditions on the breakdown triggering phenomena, developing novel techniques for measuring field-emitted electron currents, and culminating in defining a plasma surface treatment that improves over the performance of untreated materials.

This project is part of the CLIC study and is the underpinning of a large Collaboration exploring the properties of materials under extreme conditions, and is hosted in the Vacuum, Surfaces and Coatings group. As a key member of the team, you will work in close collaboration also with experts from the Radio-Frequency group and from the Mechanical and Materials Engineering group. As part of the team, you will also take part to other projects aiming at exploring the behavior of materials for novel RF and high-voltage engineering applications, with the focus of understanding the role of their physical surface and material properties on the breakdown resistance.

Who we are looking for

Skills and/or knowledge:

• Experience in material behavior under high electric fields;
• Knowledge of vacuum and plasma technologies and of surface analysis techniques;
• Fluent in English, the ability to work in French would be an advantage.

Eligibility criteria:

• You are a national of a CERN Member or Associate Member State;
• You have a professional background in Physics or engineering (materials, mecha (or a related field) and have either:
  • a Master's degree with 2 to 6 years of post-graduation professional experience;
  • or a PhD with no more than 3 years of post-graduation professional experience.
• You have never had a CERN fellow or graduate contract before.

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