Journal of Synchrotron Radiation

Volume 20, Part 2 (March 2013)



[Issue Author Index][Volume Author Index]
[Cover illustration] Cover illustration: An effect of dynamical diffraction focusing in a plane crystal (see Kohn, Gorobtsov and Vartanyants, pages 258-265). Simulations of the two-dimensional distribution of the intensity at the crystal exit surface as a function of crystal thickness in Laue geometry for the silicon 220 reflection (top) and diamond 220 reflection (bottom).

editorial


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J. Synchrotron Rad. (2013). 20, 209-210  [ doi:10.1107/S0909049513004147 ]

Free-electron lasers and JSR

I. Schlichting

Synopsis: Editorial.

Online 14 February 2013


research papers


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J. Synchrotron Rad. (2013). 20, 211-218  [ doi:10.1107/S0909049512048984 ]

Using an in-vacuum CCD detector for simultaneous small- and wide-angle scattering at beamline X9

L. Yang

Synopsis: The use of an in-vacuum CCD detector to accomplish simultaneous SAXS and WAXS measurements in both transmission and grazing incident geometries is described.

Online 19 January 2013


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J. Synchrotron Rad. (2013). 20, 219-225  [ doi:10.1107/S0909049512049813 ]

Sagittal focusing of synchrotron radiation X-rays using a winged crystal

A. Nisawa, Y. Yoneda, G. Ueno, H. Murakami, Y. Okajima, K. Yamamoto, Y. Senba, K. Uesugi, Y. Tanaka, M. Yamamoto, S. Goto and T. Ishikawa

Synopsis: A Si(111) winged crystal has been designed for sagittal focusing of synchrotron radiation X-rays. The results of performance tests at beamlines are reported.

Online 23 January 2013


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J. Synchrotron Rad. (2013). 20, 226-233  [ doi:10.1107/S0909049513001647 ]

Synchrotron X-ray fluorescence studies of a bromine-labelled cyclic RGD peptide interacting with individual tumor cells

E. J. Sheridan, C. J. D. Austin, J. B. Aitken, S. Vogt, K. A. Jolliffe, H. H. Harris and L. M. Rendina

Synopsis: The first example of synchrotron X-ray fluorescence imaging of cultured mammalian cells in cyclic peptide research is reported. The study reports the first quantitative analysis of the incorporation of a bromine-labelled cyclic RGD peptide and its effects on the biodistribution of endogenous elements (for example, K and Cl) within individual tumor cells.

Online 7 February 2013


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J. Synchrotron Rad. (2013). 20, 234-242  [ doi:10.1107/S0909049512049175 ]

Performance calculations of the X-ray powder diffraction beamline at NSLS-II

X. Shi, S. Ghose and E. Dooryhee

Synopsis: The optical layout and performance of the X-ray Powder Diffraction beamline at the National Synchrotron Light Source II are described numerically and by means of ray tracing using SHADOW.

Online 23 January 2013


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J. Synchrotron Rad. (2013). 20, 243-248  [ doi:10.1107/S0909049513000265 ]

Suppression of Bragg reflection glitches of a single-crystal diamond anvil cell by a polycapillary half-lens in high-pressure XAFS spectroscopy

D. L. Chen, J. C. Dong, X. L. Zhang, P. Y. Quan, Y. X. Liang, T. D. Hu, J. Liu, X. Wu, Q. Zhang and Y. D. Li

Synopsis: A polycapillary half-lens has been demonstrated to suppress efficiently the Bragg reflection glitches of a single-crystal DAC for high-pressure XAFS measurements.

Online 29 January 2013


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J. Synchrotron Rad. (2013). 20, 249-257  [ doi:10.1107/S0909049512049990 ]

Mo/Si multilayer-coated amplitude-division beam splitters for XUV radiation sources

R. Sobierajski, R. A. Loch, R. W. E. van de Kruijs, E. Louis, G. von Blanckenhagen, E. M. Gullikson, F. Siewert, A. Wawro and F. Bijkerk

Synopsis: Short-wavelength XUV beam splitters consisting of multilayer reflective and transmissive coatings on 3 × 3 mm and 10 × 10 mm SiN membranes have been developed and fully characterized.

Online 23 January 2013


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J. Synchrotron Rad. (2013). 20, 258-265  [ doi:10.1107/S0909049513000903 ]

Spectrometer for hard X-ray free-electron laser based on diffraction focusing

V. G. Kohn, O. Y. Gorobtsov and I. A. Vartanyants

Synopsis: A diffraction focusing spectrometer is proposed which is able to measure the whole energy spectrum of the radiation at the same time. It is well suited for measurements of the single pulses of hard X-ray free-electron lasers.

Online 29 January 2013


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J. Synchrotron Rad. (2013). 20, 266-271  [ doi:10.1107/S0909049512048789 ]

An X-ray Raman spectrometer for EXAFS studies on minerals: bent Laue spectrometer with 20 keV X-rays

N. Hiraoka, H. Fukui, H. Tanida, H. Toyokawa, Y. Q. Cai and K. D. Tsuei

Synopsis: An X-ray Raman spectrometer for studies of local structures in minerals is discussed. A spectrometer utilizing 20 keV X-rays and a bent Laue analyzer is proposed.

Online 22 January 2013


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J. Synchrotron Rad. (2013). 20, 272-285  [ doi:10.1107/S0909049512051266 ]

Optimizing and characterizing grating efficiency for a soft X-ray emission spectrometer

M. Boots, D. Muir and A. Moewes

Synopsis: The efficiency of soft X-ray diffraction gratings is examined using theoretical calculations with new open-source software, and insights to design a high-performance emission spectrometer are applied. The calculated and measured efficiencies of real-world gratings are compared, and discrepancies are explained by incorporating real-world effects into the calculations.

Online 6 February 2013


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J. Synchrotron Rad. (2013). 20, 286-292  [ doi:10.1107/S0909049513001659 ]

Quantitative visualization of a gas diffusion layer in a polymer electrolyte fuel cell using synchrotron X-ray imaging techniques

S. G. Kim and S. J. Lee

Synopsis: The porosity distribution of a gas diffusion layer shows cyclic variation under freeze-and-thaw cycles. A small porosity variation induces a large change of permeability in the gas diffusion layer.

Online 8 February 2013


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J. Synchrotron Rad. (2013). 20, 293-299  [ doi:10.1107/S0909049512052119 ]

Development of fast, simultaneous and multi-technique scanning hard X-ray microscopy at Synchrotron Soleil

K. Medjoubi, N. Leclercq, F. Langlois, A. Buteau, S. Lé, S. Poirier, P. Mercère, M. C. Sforna, C. M. Kewish and A. Somogyi

Synopsis: A distributed fast-acquisition system for synchronized multi-technique experiments, named FLYSCAN, has been developed at Synchrotron Soleil and was tested for continuous multimodal scanning hard X-ray imaging.

Online 23 January 2013


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J. Synchrotron Rad. (2013). 20, 300-305  [ doi:10.1107/S0909049513001817 ]

Heat bump on a monochromator crystal measured with X-ray grating interferometry

S. Rutishauser, A. Rack, T. Weitkamp, Y. Kayser, C. David and A. T. Macrander

Synopsis: Quantitative measurements of the deformations of a silicon double-crystal monochromator under heat load from a wiggler source are reported. The deformations were measured using two-dimensional hard X-ray grating interferometry, a technique that enables in situ at-wavelength wavefront investigations with high angular sensitivity.

Online 7 February 2013


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J. Synchrotron Rad. (2013). 20, 306-315  [ doi:10.1107/S0909049513001143 ]

An X-ray chamber for in situ structural studies of solvent-mediated nanoparticle self-assembly

D. C. E. Calzolari, D. Pontoni, J. Daillant and H. Reichert

Synopsis: Technical details and experimental examples are given for a novel sample environment allowing X-ray investigations of self-assembly phenomena induced by controlled bulk solvent evaporation and nanoscale solvent adsorption/desorption.

Online 6 February 2013


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J. Synchrotron Rad. (2013). 20, 316-323  [ doi:10.1107/S0909049513000885 ]

A feasibility study of dynamic stress analysis inside a running internal combustion engine using synchrotron X-ray beams

N. Baimpas, M. Drakopoulos, T. Connolley, X. Song, C. Pandazaras and A. M. Korsunsky

Synopsis: The present investigation establishes the feasibility of using synchrotron-generated X-ray beams for time-resolved in situ imaging and diffraction of the interior components of an internal combustion engine during its operation.

Online 1 February 2013


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J. Synchrotron Rad. (2013). 20, 324-331  [ doi:10.1107/S090904951204873X ]

Detection of circulating tumor cells via an X-ray imaging technique

S. Y. Jung, S. Ahn, E. Seo and S. J. Lee

Synopsis: With selective incorporation of gold nanoparticles into tumor cells, individual cancer cells are detected by an X-ray imaging technique.

Online 22 January 2013


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J. Synchrotron Rad. (2013). 20, 332-338  [ doi:10.1107/S0909049512051825 ]

X-ray speckle visibility spectroscopy in the single-photon limit

C. DeCaro, V. N. Karunaratne, S. Bera, L. B. Lurio, A. R. Sandy, S. Narayanan, M. Sutton, J. Winans, K. Duffin, J. Lehuta and N. Karonis

Synopsis: An application of speckle visibility spectroscopy to coherent X-ray scattering and a demonstration of the method using latex diffusion in glycerol are presented.

Online 1 February 2013


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J. Synchrotron Rad. (2013). 20, 339-346  [ doi:10.1107/S0909049512050170 ]

Enhancement in statistical and image analysis for in situ µSXRF studies of elemental distribution and co-localization, using Dioscorea balcanica

T. Ducic, M. Borchert, A. Savic, A. Kalauzi, A. Mitrovic and K. Radotic

Synopsis: Synchrotron-radiation-based X-ray microfluorescence has been used for in situ investigation of the distribution of micronutrient and macronutrient elements in an unstained cross section of a stem of monocotyledonous liana plant Dioscorea balcanica Kosanin. The elemental allocation has been quantified and the grouping/co-localization in straight and twisted stem internodes has been analysed.

Online 29 January 2013


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J. Synchrotron Rad. (2013). 20, 347-354  [ doi:10.1107/S0909049513000411 ]

Success and failure of dead-time models as applied to hybrid pixel detectors in high-flux applications

B. A. Sobott, Ch. Broennimann, B. Schmitt, P. Trueb, M. Schneebeli, V. Lee, D. J. Peake, S. Elbracht-Leong, A. Schubert, N. Kirby, M. J. Boland, C. T. Chantler, Z. Barnea and R. P. Rassool

Synopsis: Detector response functionals are found to have useful but also limited application to synchrotron studies where bunched fills are becoming common. By matching the detector response function to the source temporal structure, substantial improvements in efficiency, count rate and linearity are possible.

Online 30 January 2013


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J. Synchrotron Rad. (2013). 20, 355-365  [ doi:10.1107/S090904951204856X ]

X-ray diffraction imaging of metal-oxide epitaxial tunnel junctions made by optical lithography: use of focused and unfocused X-ray beams

C. Mocuta, A. Barbier, S. Stanescu, S. Matzen, J.-B. Moussy and E. Ziegler

Synopsis: Metal-oxide tunnel junctions made by optical lithography were studied by X-ray diffraction (imaging approach with diffraction contrast) to access local distortions of the crystalline planes of the constituting layers. The effect of the size (10-150 µm) and shape (disc, square and rectangle) of the junction was investigated.

Online 19 January 2013


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J. Synchrotron Rad. (2013). 20, 366-375  [ doi:10.1107/S0909049513000101 ]

In situ synchrotron diffraction studies on the formation kinetics of jarosites

N. V. Y. Scarlett, I. E. Grey and H. E. A. Brand

Synopsis: This paper reports the results of time-resolved synchrotron powder diffraction experiments where jarosites of various compositions were synthesized at a range of temperatures. Crystal chemistry and kinetics of formation are discussed.

Online 30 January 2013


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J. Synchrotron Rad. (2013). 20, 376-382  [ doi:10.1107/S090904951300040X ]

Using synchrotron radiation angiography with a highly sensitive detector to identify impaired peripheral perfusion in rat pulmonary emphysema

H. Ito, S. Matsushita, K. Hyodo, Y. Sato and Y. Sakakibara

Synopsis: Synchrotron radiation angiography with a HARP detector made it possible to evaluate impaired pulmonary microcirculation in pulmonary emphysema by means of high sensitivity.

Online 8 February 2013


short communications


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J. Synchrotron Rad. (2013). 20, 383-385  [ doi:10.1107/S0909049513001866 ]

The application of hybrid pixel detectors for in-house SAXS instrumentation with a view to combined chromatographic operation

G. S. A. Wright, H. C. Lee, C. Schulze-Briese, J. G. Grossmann, R. W. Strange and S. S. Hasnain

Synopsis: Home-source small-angle X-ray scattering (SAXS) data acquired using a hybrid pixel single-photon-counting detector is presented. The radius of gyration, maximum dimension and the molecular mass of protein complexes can be obtained at the short exposure times and relatively low protein concentrations necessary for size-exclusion chromatography integration.

Online 7 February 2013


beamlines


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J. Synchrotron Rad. (2013). 20, 386-389  [ doi:10.1107/S0909049513001337 ]

A microfocus X-ray fluorescence beamline at Indus-2 synchrotron radiation facility

M. K. Tiwari, P. Gupta, A. K. Sinha, S. R. Kane, A. K. Singh, S. R. Garg, C. K. Garg, G. S. Lodha and S. K. Deb

Synopsis: The X-ray microfocus beamline (BL-16) at the Indian synchrotron radiation facility Indus-2 has been installed and is currently operational. This paper describes the design, construction and measured performance of the beamline.

Online 2 February 2013


obituaries


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J. Synchrotron Rad. (2013). 20, 390-392  [ doi:10.1107/S0909049513003130 ]

Roger Fourme (1942-2012)

J. Cherfils, T. Prangé, J. R. Helliwell, N. Sakabe, M. Sauvage and J. F. van der Veen

Synopsis: Obituary for Roger Fourme.

Online 6 February 2013


current events


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J. Synchrotron Rad. (2013). 20, 393-394  [ doi:10.1107/S0909049513003798 ]

Current events

Online 9 February 2013


 

J. Synchrotron Rad. (2013). 20, 395

forthcoming meetings and short courses


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