221 zoekresultaten voor “surface x-ray diffraction” in de Publieke website
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CO oxidation catalysis at multiple length scales
Promotor: J.W.M. Frenken Co-Promotor: R. Felici
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The structure of a working catalyst: from flat surfaces to nanoparticles
Promotor: Prof.dr. J.W.M. Frenken
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Deformations of nodal surfaces
Promotores: P. Stevenhagen, L. van Geemen Co-promotor: R.M. van Luijk
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Hydrogen dissociation on metal surfaces
Dissociative chemisorption is an important reaction step in many catalytic reactions.
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Hydrogen dissociation on metal surfaces
Promotor: G. J. Kroes
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Counting points on K3 surfaces and other arithmetic-geometric objects
This PhD thesis concerns the topic of arithmetic geometry. We address three different questions and each of the questions in some way is about counting how big some set is or can be.
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Topics in the arithmetic of del Pezzo and K3 surfaces
Promotores: P. Stevenhagen, L. van Geemen (Università degli studi di Milano), Co-Supervisor: Ronald M. van Luijk
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Arithmetic of affine del Pezzo surfaces
In this thesis integral points on affine del Pezzo surfaces are studied.
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Hunting dark matter with X-rays
Promotor: A. Achúcarro Co-promotor: A. Boyarsky
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Surface-structure dependencies in catalytic reactions
Promotor: M.T.M. Koper, Co-Promotor: L.B.F. Juurlink
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X-ray spectroscopy of merging galaxy clusters
This thesis focuses on the X-ray spectral analysis of merging galaxy clusters and the plasma code development for future high-resolution X-ray spectroscopy observations.
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Topological aspects of rational points on K3 surfaces
Promotor: P. Stevenhagen, Co-promotor: R.M. van Luijk
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Complex multiplication of abelian surfaces
Promotor: Peter Stevenhagen
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Beyond the Born-Oppenheimer Static Surface Model for Molecule- Surface Reactions
Several techniques are explored for going beyond the born-oppenheimer static surface model for molecule-surface reactions.
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intermediate pressure and temperature: revisiting the fruit fly of surface science
Promotor: M.T.M. Koper, Co-promotors: A.I. Yanson, L.B.F. Juurlink
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Steps in gas-surface reactions
Heterogeneous catalysis is essential to many industrial applications. These catalysts are often comprised of supported nanoparticles, which contain various different surface sites.
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molecular dynamics calculations on reactions of molecules with metal surfaces
Promotor: Prof.dr. G.J. Kroes
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Unraveling the surface formation of regular and deuterated water in space: a combined laboratory and computational study
Promotor: Prof.dr. H.V.J. Linnartz
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X-ray spectroscopy of interstellar dust: from the laboratory to the Galaxy
In this thesis, we present new laboratory data of interstellar dust analogues.
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in the AGN environment: new perspectives from high-resolution X-ray spectroscopy
Promotor: J.S. Kaastra Co-promotor: E. Constantini
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Chemical functionalization of the graphene surface for electrical and electrochemical sensing application
Advanced sensing techniques require graphene with high quality and well-controlled surface chemistry.
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Surface plasmon lasers
Surface plasmons (SPs) are surface waves at the interface between a dielectric and a good metal, and are formed by the interaction between light and the free electrons at the metal-dielectric interface. They provide strong field confinement for optical fields, opening new possibilities for enhanced…
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Water related adsorbates on stepped platinum surfaces
Promotor: M.T.M. Koper, Co-Promotor: L.B.F. Juurlink
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Structure dependence of molecular reactions on surfaces
The research presented in this thesis makes use of small molecules (as H2 , D2 and O2 ) on well-defined single crystal surfaces (flat Pt(111), flat Cu(211) and curved Pt(111)) to elucidate the role of surface structure and degrees of freedom in the reactant in specific surface reactions.
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Surface reactivity of activated CO2
Juurlink
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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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MULTIPLY - MULTIscale SENTINEL land surface information retrieval Platform
Aim: To develop and enable application of a practical, flexible, user-friendly platform to provide the scientific community with a tool to generate land surface products and its associated uncertainties and exploit these for data-intensive science.
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Photocatalytic redox reactions at the surface of liposomes
Promotor: Prof.dr. E. Bouwman, Co-promotor: S. Bonnet
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Geometry and arithmetic of del Pezzo surfaces of degree 1
Promotie
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A new method to reconstruct the structure from crystal images
Promotor: J.P. Abrahams, Co-promotor: T. Grüne
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Ludo JuurlinkWiskunde en Natuurwetenschappen
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geometry of demixing: A study of lipid phase separation on curved surfaces
Like a mixture of oil and water, lipid membranes separate into two liquid phases.
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Arakelov invariants of Belyi curves
Promotores: Bas Edixhoven, Jean-Benoit Bost, Co-promotor: Robin de Jong
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Surface Reactivity of Activated CO2 Selective use of energy in splitting CO2
Juurlink
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From supernovae to galaxy clusters: observing the chemical enrichment in the hot intra-cluster medium
Promotor: Jelle S. Kaastra Co-promotor: Jelle de Plaa
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The spin evolution of accreting and radio pulsars in binary systems
Pulsars were first discovered in 1967 and since then the population has grown and expanded over several wavelengths.
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Semi-empirical approach to the simulation of molecule-surface reaction dynamcis
Catalysis is of extreme relevance in the production of everyday materials and plays a central role in many aspects of our life.
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Catalysis of the electrochemical water oxidation to oxygen
Promotor: Prof.dr. M.T.M. Koper, Co-Promotor: F. Calle-Vallejo
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Shining Light on Interstellar Matter
Promotor: H.V.J. Linnartz
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Adsorption and catalysis on Pt and Pd monolayer-modified Pt single crystal electrodes
The focus throughout this thesis will be on gathering fundamental studies of the detailed structure and composition of the electrode/electrolyte interface effect on the rate and mechanism of key electrocatalytic reactions.
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pressure x-ray photoelectron spectroscopy: a tool for the monitoring of surface chemical processes at realistic pressure and in real time
Lezing
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Imaging complex model catalysts in action
From surface science towards industrial practice using high-pressure scanning tunneling microscopy.
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Oxidation catalysis on Pt and Au: complexity of simple chemistry
Promotor: J.W.M. Frenken Co-Promotores: I.M.N. Groot; L.B.F. Juurlink
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The structure of the cytochrome P450cam-putidaredoxin complex determined by paramagnetic NMR spectroscopy and crystallography
Promotor: Prof.dr. M. Ubbink
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The power of biotic ligand models : site-specific impact of metals on aquatic communities
Promotor: G.R. de Snoo, Co-promotores: M.G. Vijver, J.P.M. Vink
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Druppelsgewijs wijzer: vloeistofnucleatie in beeld
Die vervelende regendruppels die voor een nat pak zorgen, ontstaan ergens in de lucht uit wolken van waterdamp. Het proces nucleatie beschrijft de manier hoe dit gebeurt. Edgar Blokhuis van het Leids Instituut voor Chemie ontwikkelde een theorie om dit overgangsproces nauwkeuriger te beschrijven. Scheikundigen…
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Microneedle-mediated vaccine delivery
Promotores: Prof.dr. J. A. Bouwstra, Prof.dr. W. Jiskoot
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On transport properties of Majorana fermions in superconductors: free & interacting
Majorana fermions in superconductors are the subgap quasiparticle excitations that are their own antiparticles.
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the hot Universe: Advances and challenges in high-resolution X-ray spectroscopy
Hot astrophysical plasma is ubiquitous in the Universe, from comets in our Solar system to the largest scale structures -- the cosmic web filaments. These hot plasmas, with the temperature of a few millions of degrees, are often observed in the X-ray wavelength range.
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The stochastic geometry of non-Gaussian fields
Promotor: V. Vitelli, Co-promotor: J. Paulose