Zobrazeno 1 - 10
of 12
pro vyhledávání: '"H. Graafsma"'
Autor:
A. Fornaini, Giovanni Mettivier, David Calvet, M. Maiorino, H Graafsma, Cyril Ponchut, Jan Visschers
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 484:396-406
A photon-counting hybrid pixel detector (Medipix-1) has been characterized using a synchrotron X-ray source. The detector consists of a readout ASIC with 64 � 64 independent photon-counting cells of 170 � 170mm 2 pitch, bumpbonded to a 300mm thic
Autor:
N D, Loh, C Y, Hampton, A V, Martin, D, Starodub, R G, Sierra, A, Barty, A, Aquila, J, Schulz, L, Lomb, J, Steinbrener, R L, Shoeman, S, Kassemeyer, C, Bostedt, J, Bozek, S W, Epp, B, Erk, R, Hartmann, D, Rolles, A, Rudenko, B, Rudek, L, Foucar, N, Kimmel, G, Weidenspointner, G, Hauser, P, Holl, E, Pedersoli, M, Liang, M S, Hunter, M M, Hunter, L, Gumprecht, N, Coppola, C, Wunderer, H, Graafsma, F R N C, Maia, T, Ekeberg, M, Hantke, H, Fleckenstein, H, Hirsemann, K, Nass, T A, White, H J, Tobias, G R, Farquar, W H, Benner, S P, Hau-Riege, C, Reich, A, Hartmann, H, Soltau, S, Marchesini, S, Bajt, M, Barthelmess, P, Bucksbaum, K O, Hodgson, L, Strüder, J, Ullrich, M, Frank, I, Schlichting, H N, Chapman, M J, Bogan
Publikováno v:
Nature
Intense, coherent X-ray pulses from a free-electron laser can be used to obtain high-resolution morphology of individual sub-micrometre particles in their native state, while at the same time their composition is analysed by mass spectrometry. Aeroso
Autor:
S. Elbracht-Leong, Aldo Mozzanica, Anna Bergamaschi, Roger Rassool, Sergey Gorelick, Bernd Schmitt, Xintian Shi, V. Radicci, M. Lohmann, B. Henrich, Ian Johnson, Christian David, L. Schädler, H. Graafsma, B. A. Sobott, Roberto Dinapoli, A. Schubert
Publikováno v:
Journal of Synchrotron Radiation
The spatial resolution of a single-photon-resolving integrating system has been improved using a non-linear charge interpolation approach. The resolution limit for a 20 µm-pitch sensor is presented.
A synchrotron beam has been used to test the
A synchrotron beam has been used to test the
Autor:
P. Kraft, Aldo Mozzanica, H. Graafsma, Bernd Schmitt, M. Lohmann, Roberto Dinapoli, B. Henrich, Ian Johnson, Xintian Shi, Anna Bergamaschi
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 633:S29-S32
A charge integrating readout chip for silicon strip sensors is currently under development at Paul Sherrer Institut. The goal of the project is to provide a readout system that can sustain, through charge integration and automatic gain switching, the
Autor:
U. Trunk, B. Henrich, Xintian Shi, Robert Klanner, Guillaume Potdevin, Hanno Perrey, Aldo Mozzanica, A. K. Srivastava, Roberto Dinapoli, Julian Becker, Hans Krueger, C. Youngman, P. Goettlicher, Bernd Schmitt, Helmut Hirsemann, H. Graafsma, Riccardo Mazzocco
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 633:S11-S14
The European X-ray free electron laser is a new research facility currently under construction in Hamburg, Germany. Typical for XFEL machines is the high peak brilliance several orders of magnitudes above existing synchrotron facilities. With a pulse
Publikováno v:
Surface science, 595(1-3), 183-193. Elsevier
The atomic surface structure of single terminated SrTiO3(0 0 1) (1 × 1) is investigated employing surface X-ray diffraction. In order to obtain these surfaces a special treatment is needed consisting of chemical etching and annealing. Since this is
Autor:
A Puig, Michael Krumrey, Alan Owens, Vladimir Gostilo, Marcos Bavdaz, S. Zatoloka, Guy Brammertz, Heikki Sipila, I. Lisjutin, H. Graafsma, A. G. Kozorezov, Anthony J. Peacock
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 497:370-380
We present the results of a series of X-ray measurements on several prototype TlBr detectors. The devices were fabricated from mono-crystalline material and were typically of size 2.7×2.7×0.8 mm3. The material is extremely pure, having impurity con
Autor:
Mohamed Souhassou, Yves Dusausoy, Claude Lecomte, Florence Porcher, A. Puig-Molina, H. Graafsma
Publikováno v:
Scopus-Elsevier
An accurate knowledge of zeolite structure is required for understanding their selective sorption capacities and their catalytic properties. In particular, the positions of the exchangeable cations and their interactions with the framework are essent
Publikováno v:
Scopus-Elsevier
A new diffraction technique based on a wide-energy-bandpass X-ray beam in connection with lock-in detection for diffraction studies of crystals subjected to external perturbations has been developed. The broad-energy-bandpass beam is obtained by comb
Publikováno v:
Journal of synchrotron radiation. 17(4)
Single-crystal diamond is a material with great potential for the fabrication of X-ray photon beam-position monitors with submicrometre spatial resolution. Low X-ray absorption combined with radiation hardness and excellent thermal-mechanical propert