Applications of Precession Enhanced Electron Diffraction
Date: June 5th, 2024
Venue: Materials Department, University of Cambridge, Charles Babbage Road
Precession 30 years anniversary
Quantum Design and NanoMEGAS are excited to announce a special workshop celebrating the 30th anniversary of beam precession development in electron diffraction for Transmission Electron Microscopy (TEM). The event will take place at Cambridge University, where the pioneers in beam precession technology has significant impact in the field.
In 1994, Paul Midgley and Roger Vincent when in Bristol University, introduced beam precession technique and its benefits to the TEM scientific world. Almost a decade later, NanoMEGAS develop and commercialise a universal precession generator for every TEM in the market, enabling a wide range of applications. This breakthrough has enabled a wide range of applications, fostering significant advancements.
Cambridge University and NanoMEGAS have been pivotal contributors on Precession ED applications, keeping the consistently and systematic development of novel applications and methodology improvements.
This workshop will bring together experts and researchers to explore the evolution and impact of beam precession over the past three decades. Through presentations and TEM demonstrations, we will delve into its fundamental principles, advanced applications, and future prospects.
We invite you to join us for this insightful event as we celebrate the achievements and advancements made possible by beam precession in TEM.
Further details regarding agenda will be provided soon. We look forward to your participation in this milestone celebration.
Registration
Please fill out the form below to register your interest in attending this event.
We are also holding a Users Meeting on 6th June. For more information please email Angela Carslake
Any questions ahead of the event?
Get in touch with QDUKI’s Technical Director, Dr. Shayz Ikram on (01372) 378822 or email him here.
About NanoMEGAS
NanoMEGAS precession diffraction related instrumentation is present in more than 180 laboratories all over the world. Their novel digital DigiSTAR precession unit can be adapted to your commercial TEM (100-400 kV old as well as brand new) and combine with 3D diffraction tomography to solve nanocrystals structures, otherwise difficult to solve by conventional X-Ray diffraction techniques.
Beam precession into the ASTAR device provides orientation and phase maps at 1-3 nm resolution (FEG-TEM) for a variety of materials (metals, semiconductors, oxides etc..) without any need of particular specimen preparation. Precession diffraction can be also very useful to obtain STRAIN maps at 2-4 nm resolution with FEG-TEM (sensitivity < 2 x 10-4) , providing extremely important information for materials scientists. Precession diffraction is also useful to enhance /optimise EELS / EDS spectra and allow to have better data.
About Quantum Design
Quantum Design UK and Ireland is part of the Quantum Design International (QDI) group. QDI is a global laboratory equipment manufacturer. The company distributes scientific and industrial instrumentation through an international network, with subsidiaries in every major technological centre around the world. QDI’s success in distributing scientific products comes from more than 30 years’ experience in manufacturing and distributing its own industry-leading materials characterisation systems.
About Precession Electron Diffraction
Precession Electron Diffraction (PED) is a specialised method to collect electron diffraction patterns in a transmission electron microscope (TEM). By rotating (precessing) a tilted incident electron beam around the central axis of the microscope, a PED pattern is formed by integration over a collection of diffraction conditions. This produces a quasi-kinematical diffraction pattern that is more suitable as input into direct methods algorithms to determine the crystal structure of the sample.
Applications
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