Journal of Synchrotron Radiation

Volume 20, Part 3 (May 2013)



[Issue Author Index][Volume Author Index]
[Cover illustration] Cover illustration: Investigating the chemical composition and spatial distribution of the major components on the cicada Psaltoda claripennis wing surface. Top: optical profile of part of a cicada wing, including a wing vein. Bottom left: cicada Psaltoda claripennis perched on native flora. Bottom right: SEM image. The blue profile overlay shows a typical FTIR spectrum of a cicada wing membrane (see Tobin, Puskar, Hasan, Webb, Hirschmugl, Nasse, Gervinskas, Juodkazis, Watson, Watson, Crawford and Ivanova, pages 482-489).

research papers


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J. Synchrotron Rad. (2013). 20, 397-404  [ doi:10.1107/S090904951300263X ]

Angular spectrum simulation of X-ray focusing by Fresnel zone plates

J. Vila-Comamala, M. Wojcik, A. Diaz, M. Guizar-Sicairos, C. M. Kewish, S. Wang and C. David

Synopsis: An efficient computing simulation routine has been implemented to model explicitly several types of Fresnel zone plate taking advantage of the circular symmetry. This code was used to evaluate an optimized approach for stacking of two high-resolution Fresnel zone plates.

Online 12 March 2013


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J. Synchrotron Rad. (2013). 20, 405-412  [ doi:10.1107/S090904951300232X ]

Optimization of analyzer-based imaging systems for minimal surface absorbed dose

B. E. Bewer

Synopsis: For every analyzer-based imaging system there is a unique system configuration which allows the constituent materials of a sample to be distinguished to a desired statistical certainty for the minimal surface absorbed dose delivered to that object. This value is determined for a sample case and the variables involved are discussed.

Online 1 March 2013


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J. Synchrotron Rad. (2013). 20, 413-418  [ doi:10.1107/S0909049513003671 ]

Imaging interfacial micro- and nano-bubbles by scanning transmission soft X-ray microscopy

L. Zhang, B. Zhao, L. Xue, Z. Guo, Y. Dong, H. Fang, R. Tai and J. Hu

Synopsis: Micro- and nano-bubbles were investigated by soft X-ray microscopy.

Online 16 March 2013


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J. Synchrotron Rad. (2013). 20, 419-425  [ doi:10.1107/S0909049513003592 ]

Electron yield soft X-ray photoabsorption spectroscopy under normal ambient-pressure conditions

Y. Tamenori

Synopsis: Soft X-ray photoabsorption spectroscopy under normal ambient-pressure conditions using electron yield detection was demonstrated. This technique provided unambiguous photoabsorption data for hydrated transition-metal compounds and identified the different chemical states of cobalt ions.

Online 16 March 2013


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J. Synchrotron Rad. (2013). 20, 426-432  [ doi:10.1107/S0909049513005049 ]

Lift-off protocols for thin films for use in EXAFS experiments

S. Decoster, C. J. Glover, B. Johannessen, R. Giulian, D. J. Sprouster, P. Kluth, L. L. Araujo, Z. S. Hussain, C. Schnohr, H. Salama, F. Kremer, K. Temst, A. Vantomme and M. C. Ridgway

Synopsis: Lift-off protocols for thin films of semiconductor and dielectric materials are presented, allowing the structural properties of condensed matter to be studied with EXAFS with improved accuracy.

Online 3 April 2013


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J. Synchrotron Rad. (2013). 20, 433-440  [ doi:10.1107/S0909049513006602 ]

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

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

Synopsis: The fabrication and performance of multilayer Al2O3/Ta2O5 Fresnel zone plates in the hard X-ray range and a discussion of possible future developments considering available materials are reported.

Online 9 April 2013


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J. Synchrotron Rad. (2013). 20, 441-448  [ doi:10.1107/S0909049513007413 ]

Impaired pulmonary blood flow distribution in congestive heart failure assessed using synchrotron radiation microangiography

M. Shirai, M. Beard, J. T. Pearson, T. Sonobe, H. Tsuchimochi, Y. Fujii, E. Gray, K. Umetani and D. O. Schwenke

Synopsis: Synchrotron radiation is utilized to assess both pulmonary vessel density and endothelial function in a Dahl rat model of congestive heart failure with secondary pulmonary hypertension.

Online 6 April 2013


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J. Synchrotron Rad. (2013). 20, 449-454  [ doi:10.1107/S0909049513004329 ]

Interface characterization of B4C-based multilayers by X-ray grazing-incidence reflectivity and diffuse scattering

H. Jiang, Z. Wang and J. Zhu

Synopsis: In order to study the properties of key B4C-based multilayers, X-ray grazing-incidence reflectivity and diffuse scattering were used to characterize multilayer structures synthetically, including information of the thickness, density, interfacial roughness, interdiffusion, surface state and correlation length.

Online 20 March 2013


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J. Synchrotron Rad. (2013). 20, 455-459  [ doi:10.1107/S0909049513002781 ]

Strikingly dissimilar effect of Mn and Zn dopants imposed on local structural distortion of Ba0.5K0.5Fe2As2 superconductor

J. Cheng, P. Dong, W. Chu, W. Xu, H. Wen, A. Marcelli and Z. Wu

Synopsis: The contrasting impurity effects of Mn and Zn dopants on the critical temperature of optimally doped Ba0.5K0.5Fe2As2 superconductors have been investigated by Fe and As K-edge X-ray absorption fine-structure spectroscopy.

Online 1 March 2013


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J. Synchrotron Rad. (2013). 20, 460-473  [ doi:10.1107/S0909049513004585 ]

Synthesis and fading of eighteenth-century Prussian blue pigments: a combined study by spectroscopic and diffractive techniques using laboratory and synchrotron radiation sources

L. Samain, F. Grandjean, G. J. Long, P. Martinetto, P. Bordet, J. Sanyova and D. Strivay

Synopsis: Eighteenth-century preparative methods play a role in the fading of Prussian-blue-containing paint layers because they can lead to the production of nanocrystalline ferrihydrite mixed with Prussian blue.

Online 6 April 2013


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J. Synchrotron Rad. (2013). 20, 474-481  [ doi:10.1107/S0909049513002598 ]

Multi-use high/low-temperature and pressure compatible portable chamber for in situ grazing-incidence X-ray scattering studies

P. Ferrer, J. Rubio-Zuazo, C. Heyman, F. Esteban-Betegón and G. R. Castro

Synopsis: A multipurpose portable vacuum-compatible chamber designed to carry out grazing-incidence X-ray scattering measurements is described. The main advantage of this chamber design is the wide sample temperature range, which may be varied between 60 and 1000 K, and the wide pressure range, which may be varied between 10-11 mbar and 3 bar.

Online 1 March 2013


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J. Synchrotron Rad. (2013). 20, 482-489  [ doi:10.1107/S0909049513004056 ]

High-spatial-resolution mapping of superhydrophobic cicada wing surface chemistry using infrared microspectroscopy and infrared imaging at two synchrotron beamlines

M. J. Tobin, L. Puskar, J. Hasan, H. K. Webb, C. J. Hirschmugl, M. J. Nasse, G. Gervinskas, S. Juodkazis, G. S. Watson, J. A. Watson, R. J. Crawford and E. P. Ivanova

Synopsis: The surface chemistry of the wings of the Clanger cicada Psaltoda claripennis has been studied using two synchrotron infrared beamlines. A heterogeneous surface distribution of long-chain hydrocarbons has been observed, which can account for this insect wing's previously observed heterogeneous superhydrophobicity, and which will assist in further understanding the structure and function of similar insect wings.

Online 22 March 2013


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J. Synchrotron Rad. (2013). 20, 490-497  [ doi:10.1107/S0909049513005372 ]

Versatility of a hard X-ray Kirkpatrick-Baez focus characterized by ptychography

K. Giewekemeyer, R. N. Wilke, M. Osterhoff, M. Bartels, S. Kalbfleisch and T. Salditt

Synopsis: A ptychographic characterization of the KB focus in the dedicated nano-imaging setup GINIX at the P10 coherence beamline of the PETRA III synchrotron at HASLYLAB/DESY is reported. Different focal settings are realized via optical filtering and changing the size of the entrance aperture.

Online 4 April 2013


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J. Synchrotron Rad. (2013). 20, 498-503  [ doi:10.1107/S0909049513001933 ]

Time-resolved X-ray PIV technique for diagnosing opaque biofluid flow with insufficient X-ray fluxes

S. Y. Jung, H. W. Park, B. H. Kim and S. J. Lee

Synopsis: The temporal resolution of the X-ray particle image velocimetry technique is greatly improved by adopting an image intensifier at beamlines with insufficient X-ray fluxes. Proper digital image processing methods are found to be inevitably useful for improving the image quality and enhancing measurement accuracy.

Online 1 March 2013


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J. Synchrotron Rad. (2013). 20, 504-508  [ doi:10.1107/S0909049513002434 ]

A reaction cell with sample laser heating for in situ soft X-ray absorption spectroscopy studies under environmental conditions

C. Escudero, P. Jiang, E. Pach, F. Borondics, M. W. West, A. Tuxen, M. Chintapalli, S. Carenco, J. Guo and M. Salmeron

Synopsis: A novel gas cell with a laser heating system has been designed to follow in situ reactions by X-ray absorption spectroscopy techniques under atmospheric pressure.

Online 1 March 2013


computer programs


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J. Synchrotron Rad. (2013). 20, 509-514  [ doi:10.1107/S0909049513002835 ]

Interference effects in the UV(VUV)-excited luminescence spectroscopy of thin dielectric films

E. Buntov and A. Zatsepin

Synopsis: The present work establishes a new numerical technique and corresponding software to model the phenomenon of incident synchrotron radiation interference in the photoluminescence excitation spectra of thin transparent films and to restore the shape of distorted spectra.

Online 1 March 2013


current events


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J. Synchrotron Rad. (2013). 20, 515-516  [ doi:10.1107/S0909049513008960 ]

Current events

Online 17 April 2013


 

J. Synchrotron Rad. (2013). 20,

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