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banner lmx 005.jpg

LMX: Laboratory for Multiscale materials eXperiments

The Laboratory for Multiscale materials eXperiments (LMX) focusses on designing novel functional materials in poly- and single crystalline form, as thin films and as multilayers. Read more about LMX
 

News

14 December 2022
claire_donnelly_2022.jpeg

IEEE Magnetics Society Early Career Award 2023

The IEEE Magnetics Society 2023 Early Career Award goes to Claire Donnelly, a former member of LMX and the Mesoscopic Systems Group, for her excellent work on developing x-ray techniques for imaging magnetic structures in three dimensions.

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1 December 2022
Lippert 2022

Appointment of Thomas Lippert as new head of the Laboratory for Multiscale Materials Experiments (LMX)

Starting 1. December 2022, Prof. Dr. Dr. Thomas Lippert will be the new head of the Laboratory for Multiscale Materials Experiments (LMX). He follows Prof. Dr. Laura Heyderman, our first laboratory head who successfully formed and established the LMX in the PSI landscape as a Centre of Materials.

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1 July 2022
tecday_2022-45_jan

TFI goes TecDays

In July 2022, two PhDs of our Thin Films and Interfaces (TFI) Group offered a practical teaching module to pupils at the Kantonsschule Stadelhofen as part of the Swiss TecDays. These are one-day events at Swiss grammar schools, organized by the Schweizerische Akademie der Technischen Wissenschaften (SATW), to support and strengthen technology education at schools. By bringing together pupils and experts from industry, universities, or research institutions, TecDays aims to raise an early awareness for technology and science.

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Fun Facts about Magnetism


Magnetism@SLS
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The video is from the Visitor Centre psi forum of the Paul Scherrer Institute, where a cartoon avatar of Rhea Stewart, who was a Postdoc in Mesoscopic Systems, explains about our research to science enthusiasts.


Scientific Highlights

19 January 2023
von Arx et al

Fate of charge order in overdoped La-based cuprates

In high-temperature cuprate superconductors, stripe order refers broadly to a coupled spin and charge modulation with a commensuration of eight and four lattice units, respectively. How this stripe order evolves across optimal doping remains a controversial question. Here we present a systematic resonant inelastic x-ray scattering study of weak charge correlations in La2−xSrxCuO4 and La1.8−xEu0.2SrxCuO4. Ultra high energy resolution experiments demonstrate the importance of the separation of inelastic and elastic scattering processes.

 

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15 September 2022
Tseng et al

Crossover of high-energy spin fluctuations from collective triplons to localized magnetic excitations in Sr14−xCaxCu24O41 ladder

We studied the magnetic excitations in the quasi-one-dimensional (q-1D) ladder subsystem of Sr14−xCaxCu24O41 (SCCO) using Cu L3-edge resonant inelastic X-ray scattering (RIXS). By comparing momentum-resolved RIXS spectra with high (x = 12.2) and without (x = 0) Ca content, we track the evolution of the magnetic excitations from collective two-triplon (2 T) excitations (x = 0) to weakly- dispersive gapped modes at an energy of 280 meV (x = 12.2)...

 

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3 May 2022
Mielke et al

Low-temperature magnetic crossover in the topological kagome magnet TbMn6Sn6

Magnetic topological phases of quantum matter are an emerging frontier in physics and materials science, of which kagome magnets appear as a highly promising platform. Here, we explore magnetic correlations in the recently identified topological kagome system TbMn6Sn6 using muon spin rotation, combined with local field analysis and neutron diffraction. Our studies identify an out-of-plane ferrimagnetic structure with slow magnetic fluctuations which exhibit a critical slowing down below T*C1 ≃ 120 K and finally freeze into static patches with ideal out-of-plane order below TC1 ≃ 20 K....

 

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19 April 2022
John et al

Reconfigurable halide perovskite nanocrystal memristors for neuromorphic computing

Many in-memory computing frameworks demand electronic devices with specific switching characteristics to achieve the desired level of computational complexity. Existing memristive devices cannot be reconfigured to meet the diverse volatile and non-volatile switching requirements, and hence rely on tailored material designs specific to the targeted application, limiting their universality. “Reconfigurable memristors” that combine both ionic diffusive and drift mechanisms could address these limitations, but they remain elusive. Here we present a reconfigurable halide perovskite nanocrystal memristor that achieves on-demand switching between diffusive/volatile and drift/non-volatile modes by controllable electrochemical reactions.

 

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4 April 2022
Blick in die magnetische Zukunft

A look into the magnetic future

Media Releases Research Using Synchrotron Light Materials Research

PSI researchers are the first to observe a specific behaviour of magnetic ice.

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Laboratory for Multiscale Materials Experiments (LMX)
Paul Scherrer Institut
5232 Villigen PSI
Switzerland

Telephone: +41 56 310 5538
E-mail: margit.braun-shea@psi.ch (Secretary)

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PSI Scientific Reports

Archive 2006-2012. The Scientific Reports – containing accounts of research topics from all the different areas – provide an impression of the variety of subjects researched at PSI.

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