Searched for: faculty%3A%22Applied%255C%252BSciences%22
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Zandbergen, H.W. (author)
The present invention is in the field of a transferrable system for use in in-situ experiments in a microscope and spectrometer, use of said transferrable system, and a microscope or spectrometer comprising said transferrable system, wherein the microscope is selected from an electron microscope, an IR-microscope, a Raman-microscope, X-ray micro...
patent 2015
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Allen, C.S. (author), Liberti, E. (author), Kim, J.S. (author), Xu, Q. (author), Fan, Y. (author), He, K. (author), Robertson, A.W. (author), Zandbergen, H.W. (author), Warner, J.H. (author), Kirkland, A.I. (author)
We have measured the mean square amplitude of both in- and out-of-plane lattice vibrations for mono-layer graphene at temperatures ranging from ?100 K to 1300?K. The amplitude of lattice vibrations was calculated from data extracted from selected area electron diffraction patterns recorded across a known temperature range with over 80...
journal article 2015
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Dildar, I.M. (author), Neklyudova, M. (author), Xu, Q. (author), Zandbergen, H.W. (author), Harkema, S. (author), Boltje, D. (author), Aarts, J. (author)
Sputter deposition of oxide materials in a high-pressure oxygen atmosphere is a well-known technique to produce thin films of perovskite oxides in particular. Also interfaces can be fabricated, which we demonstrated recently by growing LaAlO3 on SrTiO3 substrates and showing that the interface showed the same high degree of epitaxy and atomic...
journal article 2015
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Zandbergen, H.W. (author)
The present invention is in the field of a low specimen drift holder and cooler for use in microscopy, and a microscope comprising said holder. The present invention is in the field of microscopy, specifically in the field of electron and focused ion beam mi- croscopy (EM and FIB). However it application is extendable in principle to any field...
patent 2015
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Ganapathy, S. (author), Basak, S. (author), Lefering, A. (author), Rogers, E. (author), Zandbergen, H.W. (author), Wagemaker, M. (author)
Chemisorbed water and solvent molecules and their reactivity with components from the electrolyte in high-surface nano-structured electrodes remains a contributing factor toward capacity diminishment on cycling in lithium ion batteries due to the limit in maximum annealing temperature. Here, we report a marked improvement in the capacity...
journal article 2014
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Yalcin, A.O. (author), Goris, B. (author), Van Dijk-Moes, R.J.A. (author), Fan, Z. (author), Erdamar, A.K. (author), Tichelaar, F.D. (author), Vlugt, T.J.H. (author), Van Tendeloo, G. (author), Bals, S. (author), Vanmaekelbergh, D. (author), Zandbergen, H.W. (author), Van Huis, M.A. (author)
In this work, we investigate the thermal evolution of CdSe–CdS–ZnS core–multishell quantum dots (QDs) in situ using transmission electron microscopy (TEM). Starting at a temperature of approximately 250 °C, Zn diffusion into inner layers takes place together with simultaneous evaporation of particularly Cd and S. As a result of this...
journal article 2014
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Fang, C.M. (author), Van Huis, M.A. (author), Xu, Q. (author), Cava, R.J. (author), Zandbergen, H.W. (author)
Nb12O29 is a 4d transition metal oxide that occurs in two forms with different symmetries, monoclinic (m) and orthorhombic (o). The monoclinic form has unusual magnetic properties; below a temperature of 12 K, it exhibits both metallic conductivity and antiferromagnetic ordering. Here, first-principles density-functional theory calculations are...
journal article 2014
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Rudneva, M. (author), Kozlova, T. (author), Zandbergen, H.W. (author)
Scanning transmission electron microscopy (STEM) imaging is applied to analyze the electromigration-induced thickness variations of thin polycrystalline films, It is shown that a high angle annular dark field (HAADF) detector is required to minimize the effect of diffraction contact. A further reduction of the diffraction contrast can be...
journal article 2014
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Tirumalasetty, G.K. (author), Fang, C.M. (author), Jansen, J. (author), Yokosawa, T. (author), Boeije, M.J.F. (author), Sietsma, J. (author), Van Huis, M.A. (author), Zandbergen, H.W. (author)
Chromium (Cr), Manganese (Mn), and Carbon (C) are well known alloying elements used in technologically important alloy steels and advanced high strength steels. It is known that binary CrCx and MnCx carbides can be formed in steels, but in this study we reveal for the first time that Cr and Mn were found combined in novel ternary cementite type ...
journal article 2014
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Yalcin, A.O. (author), Fan, Z. (author), Goris, B. (author), Li, W.F. (author), Koster, R.S. (author), Fang, C.M. (author), Van Blaaderen, A. (author), Casavola, M. (author), Tichelaar, F.D. (author), Bals, S. (author), Van Tendeloo, G. (author), Vlugt, T.J.H. (author), Vanmaekelbergh, D. (author), Zandbergen, H.W. (author), Van Huis, M.A. (author)
Here, we show a novel solid?solid?vapor (SSV) growth mechanism whereby epitaxial growth of heterogeneous semiconductor nanowires takes place by evaporation-induced cation exchange. During heating of PbSe-CdSe nanodumbbells inside a transmission electron microscope (TEM), we observed that PbSe nanocrystals grew epitaxially at the expense of CdSe...
journal article 2014
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Damsgaard, C.D. (author), Zandbergen, H.W. (author), Hansen, T.W. (author), Chorkendorff, I. (author), Wagner, J.B. (author)
Specimen transfer under controlled environment conditions, such as temperature, pressure, and gas composition, is necessary to conduct successive complementary in situ characterization of materials sensitive to ambient conditions. The in situ transfer concept is introduced by linking an environmental transmission electron microscope to an in...
journal article 2014
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Kozlova, T. (author), Rudneva, M. (author), Zandbergen, H.W. (author)
We investigated the reversible electromigration in Pd–Pt nanobridges by means of in situ electron microscopy. Real-time nanometer-scale imaging with scanning transmission electron microscopy was used to determine the material transport. For high current densities (3–5 × 107 A cm?2), material transport occurs from the cathode towards the anode...
journal article 2013
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Malladi, S. (author), Shen, C. (author), Xu, Q. (author), De Kruijff, T. (author), Yücelen, E. (author), Tichelaar, F. (author), Zandbergen, H. (author)
An approach to carry out chemical reactions using aggressive gases in situ in a transmission electron microscope (TEM), at ambient pressures of 1.5 bar using a windowed environmental cell, called a nanoreactor, is presented here. The nanoreactor coupled with a specially developed holder with platinum tubing permits the usage of aggressive...
journal article 2013
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Tirumalasetty, G.K. (author), Van Huis, M.A. (author), Kwakernaak, C. (author), Sietsma, J. (author), Sloof, W.G. (author), Zandbergen, H.W. (author)
A combination of Electron Back-Scattered Diffraction (EBSD) and high-sensitivity Electron Probe Micro-Analysis (EPMA) was used to correlate the changes in microstructural features upon deformation with local chemical composition in Transformation-Induced Plasticity steels. A novel cleaning procedure was developed that allows complete monitoring...
journal article 2013
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Xu, Q. (author), Schneider, G. (author), Zandbergen, H.W. (author), Wu, M.Y. (author), Song, B. (author)
The present invention is in the field of a method for removing a high definition nanostructure in a partly free-standing layer, the layer, a sensor comprising said layer, a use of said sensor, and a method of detecting a species, and optional further characteristics thereof, using said sensor. The sensor and method are suited for detecting...
patent 2013
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Zandbergen, H.W. (author), Pleun, D. (author), Van Veen, G.N.A. (author)
The invention relates to a holder assembly for cooperating with an environmental cell ( 101 ) and an electron microscope, the environmental cell showing a fluid inlet (103), the electron microscope showing a vacuum wall (110) for separating an evacuable part of the electron microscope from the outside of the electron microscope, the holder...
patent 2013
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Rudneva, M. (author), Gao, B. (author), Prins, F. (author), Xu, Q. (author), Van der Zant, H.S.J. (author), Zandbergen, H.W. (author)
In situ transmission electron microscopy was performed on the electromigration in platinum (Pt) nanowires (14 nm thick, 200 nm wide, and 300 nm long) with and without feedback control. Using the feedback control mode, symmetric electrodes are obtained and the gap usually forms at the center of the Pt nanowire. Without feedback control,...
journal article 2013
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Rudneva, M. (author), Van Veldhoven, E. (author), Malladi, S.K. (author), Maas, D. (author), Zandbergen, H.W. (author)
In this article, we present novel sample preparation methods using a helium ion microscope (HIM). We report the possibility of reshaping, at room temperature, thin metal lines on an electron-transparent membrane: A set of platinum bridges with standard geometry (300X200X15 nm) was modified at room temperature into different shapes using focused...
journal article 2013
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Dildar, I.M. (author), Boltje, D.B. (author), Hesselberth, M.H.S. (author), Aarts, J. (author), Xu, Q. (author), Zandbergen, H.W. (author), Harkema, S. (author)
We have investigated the properties of interfaces between LaAlO3 films grown on SrTiO3 substrates singly terminated by TiO2. We used RF sputtering in a high-pressure oxygen atmosphere. The films are smooth, with flat surfaces. Transmission electron microscopy shows sharp and continuous interfaces with some slight intermixing. The elemental ratio...
journal article 2013
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Zandbergen, H.W. (author)
journal article 2012
Searched for: faculty%3A%22Applied%255C%252BSciences%22
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