Journal of Synchrotron Radiation

Volume 21, Part 3 (May 2014)



[Issue Author Index][Volume Author Index]
[Cover illustration] Cover illustration: An example of a three-level nickel zone plate with 200 µm diameter and effective 200 nm smallest zone width (see Mohacsi, Karvinen, Vartiainen, Guzenko, Somogyi, Kewish, Mercere and David, pages 497-501). The marked regions are shown below with higher magnification, showing the individual steps of 2/3 and 1/3 fill factor at the centre and at the edge of the zone plate. The effective smallest zone width is the half-period of 200 nm.

research papers


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J. Synchrotron Rad. (2014). 21, 466-472  [ doi:10.1107/S1600577514004780 ]

Polarization control of an X-ray free-electron laser with a diamond phase retarder

M. Suzuki, Y. Inubushi, M. Yabashi and T. Ishikawa

Synopsis: Circularly polarized X-ray free-electron laser beams have been generated at 11.56 keV, using a diamond crystal phase retarder at SACLA.

Online 3 April 2014


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J. Synchrotron Rad. (2014). 21, 473-478  [ doi:10.1107/S1600577514002999 ]

Performance of a collimating L-shaped laterally graded multilayer mirror for the IXS analyzer system at NSLS-II

A. Suvorov, D. S. Coburn, A. Cunsolo, J. W. Keister, M. H. Upton and Y. Q. Cai

Synopsis: The collimating L-shaped laterally graded multilayer mirror is a vital part of the ultrahigh-resolution inelastic X-ray scattering spectrometer at NSLS-II. This article presents numerical evaluation and experimental characterization of the mirror performance as well as the technical requirements of its operation.

Online 12 March 2014


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J. Synchrotron Rad. (2014). 21, 479-483  [ doi:10.1107/S1600577514003014 ]

Development of a bent Laue beam-expanding double-crystal monochromator for biomedical X-ray imaging

M. Martinson, N. Samadi, G. Belev, B. Bassey, R. Lewis, G. Aulakh and D. Chapman

Synopsis: A bent Laue beam-expanding double-crystal monochromator was developed and tested at the Biomedical Imaging and Therapy beamline at the Canadian Light Source. The expander will reduce scanning time for micro-computed tomography and allow dynamic imaging that has not previously been possible at this beamline.

Online 13 March 2014


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J. Synchrotron Rad. (2014). 21, 484-487  [ doi:10.1107/S1600577514001003 ]

X-ray harmonics rejection on third-generation synchrotron sources using compound refractive lenses

M. Polikarpov, I. Snigireva and A. Snigirev

Synopsis: A new method of harmonics suppression based on X-ray refractive optics has been proposed and attenuation of higher-orders harmonics to five orders of magnitude using the monochromator detuning was achieved.

Online 12 March 2014


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J. Synchrotron Rad. (2014). 21, 488-496  [ doi:10.1107/S1600577514000940 ]

Microfocusing options for the inelastic X-ray scattering beamline at sector 3 of the Advanced Photon Source

A. M. Alsmadi, A. Alatas, J. Y. Zhao, M. Y. Hu, L. Yan and E. E. Alp

Synopsis: Simulated beam sizes and image distances of the toroidal focusing mirror as a function of the grazing incident angle are presented.

Online 14 March 2014


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J. Synchrotron Rad. (2014). 21, 497-501  [ doi:10.1107/S1600577514003403 ]

High-efficiency zone-plate optics for multi-keV X-ray focusing

I. Mohacsi, P. Karvinen, I. Vartiainen, V. A. Guzenko, A. Somogyi, C. M. Kewish, P. Mercere and C. David

Synopsis: Multilevel zone plates have been successfully combined with zone-plate stacking to achieve both high-resolution and high-efficiency nanofocusing at 6.5 keV photon energy.

Online 18 March 2014


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J. Synchrotron Rad. (2014). 21, 502-506  [ doi:10.1107/S1600577514003671 ]

Fast continuous energy scan with dynamic coupling of the monochromator and undulator at the DEIMOS beamline

L. Joly, E. Otero, F. Choueikani, F. Marteau, L. Chapuis and P. Ohresser

Synopsis: In order to improve the efficiency of X-ray absorption data recording, a fast scan method, the Turboscan, has been developed on the DEIMOS beamline at Synchrotron SOLEIL, consisting of a software-synchronized continuous motion of the monochromator and undulator motors. This process suppresses the time loss when waiting for the motors to reach their target positions, as well as software dead-time, while preserving excellent beam characteristics.

Online 18 March 2014


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J. Synchrotron Rad. (2014). 21, 507-517  [ doi:10.1107/S1600577514004962 ]

Anisotropic elasticity of silicon and its application to the modelling of X-ray optics

L. Zhang, R. Barrett, P. Cloetens, C. Detlefs and M. Sanchez del Rio

Synopsis: Anisotropic elasticity of single-crystal silicon, applications to modelling of a bent X-ray mirror, and thermal deformation of a liquid-nitrogen-cooled monochromator crystal are presented.

Online 4 April 2014


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J. Synchrotron Rad. (2014). 21, 518-528  [ doi:10.1107/S1600577514004640 ]

Benchmarking and validation of a Geant4-SHADOW Monte Carlo simulation for dose calculations in microbeam radiation therapy

I. Cornelius, S. Guatelli, P. Fournier, J. C. Crosbie, M. Sanchez del Rio, E. Bräuer-Krisch, A. Rosenfeld and M. Lerch

Synopsis: Benchmarking and validation of a new Monte Carlo code for dose calculations in microbeam radiation therapy are described.

Online 3 April 2014


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J. Synchrotron Rad. (2014). 21, 529-536  [ doi:10.1107/S160057751400294X ]

Characterization of an in-vacuum PILATUS 1M detector

J. Wernecke, C. Gollwitzer, P. Müller and M. Krumrey

Synopsis: An in-vacuum PILATUS 1M detector that covers a photon energy range from 10 keV down to 1.75 keV is characterized in terms of radiometric and geometric properties with low uncertainties. Benefits of photon energies below 5 keV are demonstrated by grazing-incidence small-angle X-ray scattering measurements.

Online 13 March 2014


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J. Synchrotron Rad. (2014). 21, 537-546  [ doi:10.1107/S1600577514003609 ]

Matching X-ray beam and detector properties to protein crystals of different perfection

C. Nave

Synopsis: Expressions are given to match X-ray data collection facilities to the intrinsic diffraction properties of crystals with different degrees of perfection.

Online 18 March 2014


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J. Synchrotron Rad. (2014). 21, 547-553  [ doi:10.1107/S160057751400410X ]

Investigation of surface topology of printed nanoparticle layers using wide-angle low-Q scattering

E. O. Jonah, M. Härting, E. Gullikson, A. Aquila and D. T. Britton

Synopsis: A novel scattering technique in reflection geometry which enables a topological description of very rough surfaces of disordered systems is presented. The set-up uses soft X-rays at wide incident angles.

Online 2 April 2014


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J. Synchrotron Rad. (2014). 21, 554-560  [ doi:10.1107/S1600577514004366 ]

Application of singular value decomposition analysis to time-dependent powder diffraction data of an in-situ photodimerization reaction

A. F. Mabied, S. Nozawa, M. Hoshino, A. Tomita, T. Sato and S. Adachi

Synopsis: A successful application of singular value decomposition analysis to time-dependent powder diffraction data of an in-situ photodimerization reaction of some anthracene derivatives is presented.

Online 2 April 2014


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J. Synchrotron Rad. (2014). 21, 561-567  [ doi:10.1107/S1600577514001970 ]

Correction method for the self-absorption effects in fluorescence extended X-ray absorption fine structure on multilayer samples

W.-B. Li, X.-Y. Yang, J.-T. Zhu, Y.-C. Tu, B.-Z. Mu, H.-S. Yu, X.-J. Wei, Y.-Y. Huang and Z.-S. Wang

Synopsis: A novel method is proposed for the correction of self-absorption effects of extended X-ray absorption fine structure measured in the fluorescence mode on single-layer or multilayer samples. The validity of this method is verified by good agreements on the corrected spectra of a Cr/C multilayer measured at different experimental geometries.

Online 13 March 2014


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J. Synchrotron Rad. (2014). 21, 568-579  [ doi:10.1107/S1600577514001416 ]

Unsupervised cell identification on multidimensional X-ray fluorescence datasets

S. Wang, J. Ward, S. Leyffer, S. M. Wild, C. Jacobsen and S. Vogt

Synopsis: A method for unsupervised identification of biological cells in X-ray fluorescence microscopy data is described, allowing us to obtain distributions for elemental content by cell type without manual labeling.

Online 15 March 2014


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J. Synchrotron Rad. (2014). 21, 580-585  [ doi:10.1107/S1600577514004159 ]

Synchrotron far-infrared spectroscopy of corroded steel surfaces using a variable angle of incidence

K. Lepková, W. van Bronswijk, V. Pandarinathan and R. Gubner

Synopsis: The analysis of thin films and corrosion products by synchrotron far-infrared spectroscopy has shown that using a range of incidence angles leads to improved identification of the spectral features. The effect of the incidence angle on the band intensity in the infrared spectra is described with respect to the surface roughness.

Online 3 April 2014


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J. Synchrotron Rad. (2014). 21, 586-593  [ doi:10.1107/S1600577514002793 ]

A synchrotron-based local computed tomography combined with data-constrained modelling approach for quantitative analysis of anthracite coal microstructure

W. H. Chen, S. Y. S. Yang, T. Q. Xiao, S. C. Mayo, Y. D. Wang and H. P. Wang

Synopsis: A quantitative local computed tomography combined with data-constrained modelling has been developed. The method could improve distinctly the spatial resolution and the composition resolution in a sample larger than the field of view, for quantitative characterization of three-dimensional distributions of material compositions and void.

Online 18 March 2014


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J. Synchrotron Rad. (2014). 21, 594-599  [ doi:10.1107/S1600577514003440 ]

Three-dimensional coherent diffractive imaging on non-periodic specimens at the ESRF beamline ID10

Y. Chushkin, F. Zontone, E. Lima, L. De Caro, P. Guardia, L. Manna and C. Giannini

Synopsis: The recent development of instrumentation for coherent diffraction imaging with hard X-rays is presented. The three-dimensional structure of a cluster made of randomly assembled Fe2P nanorods has been revealed using coherent 8 keV X-rays.

Online 15 March 2014


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J. Synchrotron Rad. (2014). 21, 600-612  [ doi:10.1107/S1600577514003439 ]

Data processing software suite SITENNO for coherent X-ray diffraction imaging using the X-ray free-electron laser SACLA

Y. Sekiguchi, T. Oroguchi, Y. Takayama and M. Nakasako

Synopsis: The software suite SITENNO is developed for processing diffraction data collected in coherent X-ray diffraction imaging experiments of non-crystalline particles using an X-ray free-electron laser.

Online 15 March 2014


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J. Synchrotron Rad. (2014). 21, 613-622  [ doi:10.1107/S1600577514000952 ]

Combining Monte Carlo methods with coherent wave optics for the simulation of phase-sensitive X-ray imaging

S. Peter, P. Modregger, M. K. Fix, W. Volken, D. Frei, P. Manser and M. Stampanoni

Synopsis: A framework combining wave-optics with Monte Carlo methods for numerical simulations of phase-sensitive X-ray imaging has been developed.

Online 18 March 2014


short communications


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J. Synchrotron Rad. (2014). 21, 623-626  [ doi:10.1107/S1600577514001283 ]

Sample thickness and quantitative concentration measurements in Br K-edge XANES spectroscopy of organic materials

A. C. Leri and B. Ravel

Synopsis: A method of quantifying absorber concentration from XANES spectra while correcting for effects of variable sample thickness is described.

Online 12 March 2014


beamlines


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J. Synchrotron Rad. (2014). 21, 627-632  [ doi:10.1107/S1600577514003415 ]

Macromolecular crystallography beamline X25 at the NSLS

A. Héroux, M. Allaire, R. Buono, M. L. Cowan, J. Dvorak, L. Flaks, S. LaMarra, S. F. Myers, A. M. Orville, H. H. Robinson, C. G. Roessler, D. K. Schneider, G. Shea-McCarthy, J. M. Skinner, M. Skinner, A. S. Soares, R. M. Sweet and L. E. Berman

Synopsis: A description of the upgraded beamline X25 at the NSLS, operated by the PXRR and the Photon Sciences Directorate serving the Macromolecular Crystallography community, is presented.

Online 8 April 2014


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J. Synchrotron Rad. (2014). 21, 633-637  [ doi:10.1107/S1600577514005578 ]

08B1-1: an automated beamline for macromolecular crystallography experiments at the Canadian Light Source

M. Fodje, P. Grochulski, K. Janzen, S. Labiuk, J. Gorin and R. Berg

Synopsis: The Canadian Macromolecular Crystallography Facility beamline 08B1-1, an automated and remotely accessible beamline at the Canadian Light Source, is reported. Scientific highlights are also presented.

Online 8 April 2014


letters to the editor


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J. Synchrotron Rad. (2014). 21, 638-639  [ doi:10.1107/S1600577514007619 ]

The benefit of the European User Community from transnational access to national radiation facilities

E. Barrier, F. M. Braz Fernandes, M. Bujan, M. C. Feiters, A. Froideval, J. Ghijsen, T. Hase, M. A. Hough, M. Jergel, I. Jimenez, T. Kajander, A. Kikas, M. Kokkinidis, L. Kover, H. B. Larsen, D. M. Lawson, K. Lawniczak-Jablonska, C. Mariani, P. Mikulik, J. Monnier, S. Morera, C. McGuinness, P. Müller-Buschbaum, M. Meedom Nielson, U. Pietsch, M. Tromp, M. Simon, J. Stangl and G. Zanotti

Synopsis: Owing to its success in promoting connections between users and facilities, the European Synchrotron User Organization champions the continuation of transnational access to national radiation sources in the European research area.

Online 24 April 2014


addenda and errata


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J. Synchrotron Rad. (2014). 21, 640  [ doi:10.1107/S1600577514006699 ]

Efficient focusing of 8 keV X-rays with multilayer Fresnel zone plates fabricated by atomic layer deposition and focused ion beam milling. Erratum

M. Mayer, K. Keskinbora, C. Grévent, A. Szeghalmi, M. Knez, M. Weigand, A. Snigirev, I. Snigireva and G. Schütz

Synopsis: Corrections to the article by Mayer et al. [J. Synchrotron Rad. (2013), 20, 433-440] are given.

Online 24 April 2014


current events


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J. Synchrotron Rad. (2014). 21, 641-642  [ doi:10.1107/S1600577514008030 ]

Current events

Online 24 April 2014


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