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Miedema, Sander (author)In a future energy system, chemical energy carriers that can easily be stored, like hydrogen, are of vital importance. One possible way of producing carbonneutral hydrogen is by direct solar to hydrogen conversion in a photoelectrochemical cell (PEC). Silicon based multijunction solar cells are a possible candidate for the photovoltaic stack of...master thesis 2021
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Lottman, Bas (author)A numerical model is developed in Simulink to simulate transient alkaline electrolyzer operation. The model is built to simulate a large scale hydrogen plant in Rjukan, Norway. The model is based on physical relations where available, some plant-specific data is modeled using empirical equations. The model describes the anodic and cathodic...master thesis 2020
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Geelhoed, Jeanine S. (author), Van de Velde, S.J.F. (author), Meysman, F.J.R. (author)Cable bacteria (Deltaproteobacteria, Desulfobulbaceae) are long filamentous sulfur-oxidizing bacteria that generate long-distance electric currents running through the bacterial filaments. This way, they couple the oxidation of sulfide in deeper sediment layers to the reduction of oxygen or nitrate near the sediment-water interface. Cable...journal article 2020
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Blommaert, M.A. (author), Verdonk, J.A.H. (author), Blommaert, Hester C.B. (author), Smith, W.A. (author), Vermaas, D.A. (author)A bipolar membrane (BPM) can be used to accelerate water dissociation to maintain a pH gradient in electrochemical cells, providing freedom to independently optimize the environments and catalysts used for paired reduction and oxidation reactions. The two physical layers in a BPM, respectively, selective for the exchange of cations and anions...journal article 2020
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Michalska-Domańska, M.E. (author), Lazinska, Magdalena (author), Lukasiewicz, Justyna (author), Mol, J.M.C. (author), Durejko, Tomasz (author)The anodization of commercially pure Ti alloy (99.5 wt %) and two biomedical titanium alloys, Ti6Al7Nb and Ti6Al4V, was performed, and the resulting anodic oxides were studied. The biomedical alloys were made by Laser Engineered Net Shaping. The glycol-based and glycerol-based electrolytes with 0.3 M ammonium fluoride and 2 wt % of deionized...journal article 2020
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- van Biert, L. (author) journal article 2015
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Mok, K.R.C. (author), Naber, R.C.G. (author), Nanver, L.K. (author)Emitter saturation current densities, Joe have been investigated with different boron implantation dose and annealing conditions. The higher thermal budgets used here are shown experimentally to improve Joe, implying more complete defect dissolution. Simulations show that significant degradation in Joe can be attributed to the presence of...conference paper 2012
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Paul, A. (author), Tettamanzi, G.C. (author), Lee, S. (author), Mehrotra, S.R. (author), Collaert, N. (author), Biesemans, S. (author), Rogge, S. (author), Klimeck, G. (author)Channel conductance measurements can be used as a tool to study thermally activated electron transport in the sub-threshold region of state-of-art FinFETs. Together with theoretical tight-binding (TB) calculations, this technique can be used to understand the dependence of the source-to-channel barrier height (Eb) and the active channel area ...journal article 2011
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Jun, D.S. (author), Kutchoukov, V.G. (author), Kruit, P. (author)A next generation ion source suitable for both high resolution focused ion beam milling and imaging applications is currently being developed. The new ion source relies on a method of which positively charged ions are extracted from a miniaturized gas chamber where neutral gas atoms become ionized by direct electron impact. The use of a very...journal article 2011
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Hagen, C.W. (author), Kruit, P. (author)The authors have analyzed how much current can be obtained in the probe of an optimized two-lens focused ion beam (FIB) system. This becomes relevant, as systems become available that have the potential to image and/or fabricate structures smaller than 10 nm. The probe current versus probe size curves were calculated for a commercial gallium-FIB...journal article 2009
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Hagen, C.W. (author), Fokkema, E. (author), Kruit, P. (author)The virtual source size of a liquid metal ion source is an order of magnitude larger than the size of the region from which the ions are emitted at the source. This source size has a direct effect on the reduced brightness and, hence, on the performance of these sources. The variation of the virtual source size of a gallium liquid metal ion...journal article 2008
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Bronsgeest, M.S. (author), Barth, J.E. (author), Swanson, L.W. (author), Kruit, P. (author)Probe size, shape, and current are important parameters for the performance of all probe forming systems such as the scanning (transmission) electron microscope, the focused ion beam microscope, and the Gaussian electron beam lithography system. Currently, however, the relation between probe current and probe size is ill defined. The key lies in...journal article 2008
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Xiao, Y. (author), Van der Plas, D.W. (author), Bohte, J. (author), Lans, S.C. (author), Van Sandwijk, A. (author), Reuter, M.A. (author)In order to investigate an alternative process for the production of primary aluminum via a sulfide intermediate, the electrochemical behavior of Al2S3 in molten salt has been studied on a laboratory scale. The effects of electrolyte composition, temperature, and cell design on the cell performance have been investigated. Temperature and...journal article 2007
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- Woeltgens, P.J.M. (author), Dekker, C. (author), Koch, R.H. (author), Hussey, B.W. (author), Gupta, A. (author) journal article 1995
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- Woeltgens, P.J.M. (author), Dekker, C. (author), De Wijn, H.W. (author) journal article 1993
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- Dekker, C. (author), Eidelloth, W. (author), Koch, R.H. (author) journal article 1993
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- Dekker, C. (author), Woeltgens, P.J.M. (author), Koch, R.H. (author), Hussey, B.W. (author), Gupta, A. (author) journal article 1992
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- Dekker, C. (author), Eidelloth, W. (author), Koch, R.H. (author) journal article 1992
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Hartman, A. (author)SEN specimens of 70T5 alloy loaded in bending have been used to determine time to failure and the crack propagation rate as a function of K, the stress intensity factor, and of the electrical potential in 3 wt % aqueous solutions of NaCl, NaBr and Nal with p values of 3 and 7. The SC tests were supplemented by potentio-kinetic polarization tests...report 1976