X-rays look at nuclear fuel cladding with new detail

Micro-beam measurements at the Swiss Light Source SLS give insights into the crystal structure of hydrides that promote cracks in nuclear fuel cladding.

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Laura Heyderman elected Royal Society Fellow

Laura’s nomination recognises almost 30 years of research into magnetic materials and magnetism on the nanoscale.

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When electrons dress up in light

Light – the Fifth Element of Materials Science?

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Quality control of future transistors

Tackling the challenge of looking at atoms buried in silicon without moving them

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X-rays make 3D metal printing more predictable

Insights into the microscopic details of 3D printing from the Swiss Light Source SLS could propel the technology toward wider application

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Calcium sensor helps us to see the stars

New insight into how the protein calmodulin interacts with an ion channel in the eye could explain how our eyes achieve remarkable sensitivity to dim light.

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Welcome to the PSI Science Portal. On this site you find information on PSI's different research activities and on the experimental opportunities at PSI's large scale research infrastructures.

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Support for Ukraine

The war in Ukraine is causing great hardship for many people. The Paul Scherrer Institute has taken a number of measures to offer a hand to those affected.

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PSI User Office

The PSI User Office is a central PSI installation to serve the users from all the four user laboratories.

Conference Calendar

Conferences related to methods and topics addressed at our user facilities

PSI Publications

Digital repository and bibliography for all research articles and other publications affiliated with the PSI

PSI User Facilities Newsletter

Current News from PSI photon, neutron and muon user facilities

Lib4RI

Library for the Research Institutes within the ETH Domain: Eawag, Empa, PSI & WSL.

Research Integrity at PSI

Research Integrity at the research institutes PSI, EMPA, Eawag, WSL

PSI Guest House

The PSI operates a Guest House to offer a local and practical accommodation for its visitors, guests and users on site.