641 search results for “low-energy electron potentiometry” in the Public website
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Low-Energy Electron Microscopy on Two-Dimensional Systems: Growth, Potentiometry and Band Structure Mapping
Promotor: Prof.dr. J.M. van Ruitenbeek, Prof.dr. R.M. Tromp
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Flow: A study of electron transport through networks of interconnected nanoparticles
This thesis describes a study from both a theoreticaL and an experimental point of view.
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eV-TEM: Transmission Electron Microscopy with few-eV Electrons
Electron microscopy has become an extremely important techniquein a wide variety of elds.
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New transmission microscope for low-energy electrons
Physicist Daniël Geelen has developed a new microscope that uses low-energy electrons. Those are less harmful to biological and organic materials. Geelen defends his PhD thesis on May 31st.
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Electrons give resist layer electrical charge
Leiden physicists found a surprising interaction between electrons and a resist layer. The resist appears to charge and discharge due to incoming electrons. Publication in Physical Review Letters.
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The cognitive continuum of electronic music
How do we experience electronic music? How does electronic music operate on perceptual, cognitive and affective levels? What are the common concepts activated in the listener’s mind when listening to electronic music? Why and how are these concepts activated?
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The Cognitive Continuum of Electronic Music
From The Cognitive Continuum of Electronic Music: "The use of the electronic medium to compose music entails a variety of cognitive idiosyncrasies experienced by both the artist and the audience."
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Electronics Department
What is the Electronics Department?
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Novel detectors and algorithms for electron nano-crystallography
Promotor: Prof.dr. J.P. Abrahams, Prof.dr. M. van Heel
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Light and Electron Microscopy Facility
The aim of this facility is to accelerate biomedical research by providing access to advanced light and electron microscopy and by sharing expertise about sample preparation, imaging modalities, data storage and image analysis.
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Cryo Electron Tomography Studies On Bacterial Chemosensory Arrays
Bacterial chemosensory arrays are protein assemblies that are the key structural and functional component for motile bacteria to sense their internal or environmental chemical signals.
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Cryo-electron microscopy scientist
Science
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Molecular electronics: Controlled manipulation, noise and graphene architecture
Atoms and molecules are the basic units of matter. If we keep dividing a bar of gold or a glass of water into smaller parts, at the end we are left with a single gold atom or a water molecule.
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The confrontation between voice and electronics
The principal aim of this research is to explore the confrontation between voice and electronics. These are often seen as being radically different from one another and many characteristics seem to be in opposition between them. However, they also have characteristics in common and they can influence…
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Electronic spectroscopy of molecules of astrophysical interest
This thesis revolves around the electronic spectroscopy of molecules in the laboratory and the search for the carriers of the diffuse interstellar bands (DIBs).
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Visualizing strongly-correlated electrons with a novel scanning tunneling microscope
Materials with strongly correlated electrons show some of the most mysterious and exotic phases of quantum matter, such as unconventional superconductivity, quantum criticality and strange metal phase.
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New technique for Imaging Charge Transport in a Graphene Layered Cake
Leiden Physicists have developed a new technique to visualize electrical conductance in sheet-like nano materials. It shows great promise for devices based on a new family of materials—the ‘Van der Waals materials’. The physicists, who won the 2015 Dutch Vacuum Society prize for their work, present…
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On electronic signatures of topological superconductivity
Promotor: Prof.dr. C.W.J. Beenakker
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Transmission electron microscopy on live catalysts
The dissertation describes TEM experiments on heterogeneous catalysts.
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Towards Optical Detection of a Single Electron
PhD Defence
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COMPOSING FOR ORGAN AND ELECTRONICS: SPACES AND PRACTICES
My research focusses on site-specific compositional and performance practices of music for organ and electronics and their musical-spatial values.
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Search for mechanisms to control massless electrons in graphene
Beenakker
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Promoting reading skills through electronic books for grade 1 students
What is the effect of practicing with electronic books on reading skills for grade 1 students?
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The symmetry of crystals and the topology of electrons
Promotor: J. Zaanen, Co-Promotor: V. Juricic
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Fluorescence Correlation Spectroscopy on Electron Transfer Reaction: Probing Inter- and Intramolecular Redox Processes
Promotores: G.W. Canters, T.J. Aartsma
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Resolution of electron microscope greatly improved
The use of a new type of detector has generated a strong improvement in the resolution of electron microscopes. The 'low-energy electron microscope' (LEEM) can now be used for research on the thinnest possible materials. The tests with the detector represent the first result of the ESCHER project.
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Melting of frozen electrons visualized
For the first time, physicists have visualized the ‘melting’ of electrons inside a special class of insulators. It allows electrons to move freely and turns the insulator into a metal and possibly later into a superconductor. Publication in Nature Physics.
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against mycobacterial infection: analysis by a combination of light and electron microscopy
Promotores: Prof.dr. H.P. Spaink & Prof.dr. P.C.W. Hogendoorn, Co-promotor: Dr. M.J.M. Schaaf
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Fermions and Bosons: Excitons in strongly correlated materials
Promotors: Prof.dr. J. Zaanen, Prof.dr.ir. H. Hilgenkamp
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This Week’s Discoveries | 29 September 2015
Lecture
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Sense Jan van der Molen Lab (Physics of Quantum Materials)
In our lab, we investigate the physics and material properties of low-dimensional systems.
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Identification of productive and futile encounters in an electron transfer protein complex
PNAS publication on protein encounter complexes
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Solid State NMR and modelling of photoinduced energy and electron transfer
Huub de Groot is professor in Biophysical Organic Chemistry. With his team he works in the field of photosynthesis and artificial photosynthesis. The molecular basis for photosynthesis is formed by protein complexes and organelles that contain chlorophyll molecules. The antenna systems herein capture…
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17 mln subsidy to develop electron microscopy in the Netherlands
The Netherlands Organisation for Scientific Research (NWO) has made a subsidy of 17 million euros available to further develop a Netherlands network for electron microscopy (NEMI). The network comprises five UMCs and eight universities, with Utrecht in the coordinating role. From Leiden, the Institute…
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Electrons found to flow like water
Science Magazine has published three back-to-back papers on an important discovery in solid state physics. Leiden physicist Jan Zaanen wrote a Perspective article on the subject in the same issue of 4 March.
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Inaugural lecture: Big pictures of small microbes
Bacteria are everywhere. They are the most abundant organisms on earth and impact all aspects of our lives. They determine our health and shape our environment. Ariane Briegel, professor of Ultrastructural Biology, freezes bacteria super fast to gain a true-to-nature image of the internal and external…
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Deciphering fermionic matter: from holography to field theory
Promotor: K.E. Schalm, Co-promotor: S.S. Lee
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A bioorthogonal chemistry approach to the study of biomolecules in their ultrastructural cellular context
In this thesis the combinatorial use of bioorthogonal labelling and Electron Microscopy (EM)-based imaging techniques is explored to enable observations of specific molecular targets in their ultrastructural context within the cell.
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Spin-momentum locking in oxide interfaces and in Weyl semimetals
Electrons in a crystal lattice have properties that may differ from those of a free electron in vacuum.
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Harmonic duality : from interval ratios and pitch distance to spectra and sensory dissonance
This dissertation derives from the development of tools for algorithmic composition which extract pitch materials from sound signals, analyzing them according to their timbral and harmonic properties, putting them into motion through diverse rhythmic and textural procedures.
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Harmonic duality: from interval ratios and pitch distance to spectra and sensory dissonance
This research derives from the development of tools for algorithmic composition which extract pitch materials from sound signals, analyzing them according to their timbral and harmonic properties, putting them into motion through diverse rhythmic and textural procedures.
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Learning together about electron microscopy
Chinese and Leiden scientists came together in Leiden to study the intricacies of modern visual techniques.
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Multiple paths. Towards a performance practice in computer music
This research project proposes multiple paths towards the development of a performance practice in computer music. It starts with the author’s transition from traditional instrumentalist to electronic musician, assessing the roles of composer, performer and instrument builder as integrated in computer…
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Wen Yang
Science
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Stacked graphene layers act as a mirror for electron beams
Stacked layers of graphene can act like a mirror for beams of electrons. Physicists Daniël Geelen and colleagues discovered this using a new type of electron microscope. In an article in Physical Review Letters, they describe their results, which could lead to the development of optics for electron…
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Growing oxide thin films in a Low-Energy Electron Microscope
PhD Defence
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Reconstruction Methods for Combined HAADF-STEM and EDS Tomography
The research in this thesis is focused on tomographic reconstruction based on two imaging modalities in electron microscopy.
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Single molecules show promise to optically detect single electrons
Optical detection of a single electron using a single molecule has never been done. Leiden physicist Michel Orrit and his team have now identified a molecule that is sensitive enough to detect an electron at a distance of hundreds of nanometers. The results are published as a cover article in ChemPh…
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Marie Guilleray-Guénanff
Faculty of Humanities
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New book on history electron microscopy including Leiden Physics
On February 2nd the book Beelden zonder weerga appears, written by professor in science history Dirk van Delft and biochemist Ton van Helvoort. They describe the rich history of electron microscopy, which comes to a conclusion in the final chapter with the current state-of-the-art ESCHER microscope…