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Cover illustration: Composite image showing various aspects of high-pressure XRD experiment: panoramic diamond anvil cell (DAC) used to generate pressure, sample in a DAC, composed of five magnesiowustite single crystals and a ruby sphere (see Jacobsen et al., pages 577-583), polychromatic (bottom left, image courtesy of P. Dera) and monochromatic diffraction images from samples of different crystallinity ranging from single crystal to amorphous (see Prakapenka et al., pages 560-565), experimental set-up for synchrotron polychromatic microdiffraction (see Ice et al., pages 608-617) and example of crystal structure of a post-perovskite high-pressure phase (courtesy of C. T. Prewitt). |
J. Synchrotron Rad. (2005). 12, 547-548 [ doi:10.1107/S0909049505024945 ] Structure determination by single-crystal X-ray diffraction (SXD) at megabar pressuresP. Dera, C. T. Prewitt and S. D. JacobsenOnline 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 549-553 [ doi:10.1107/S0909049505022788 ] Structures from powders and poor-quality single crystals at high pressureM. I. McMahonSynopsis: The use of data from poor-quality single crystals, and from combined powder/single-crystal studies, to determine crystal structures at high pressure is reviewed. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 554-559 [ doi:10.1107/S0909049505022612 ] Quantitative high-pressure pair distribution function analysisJ. B. Parise, S. M. Antao, F. M. Michel, C. D. Martin, P. J. Chupas, S. D. Shastri and P. L. LeeSynopsis: Combining perforated diamond anvil cells with focusing optics at a third-generation synchrotron X-ray source allows collection of scattering data of sufficient quality to perform real-space modeling of the pair distribution function obtained from nano-crystalline materials to 10 GPa. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 560-565 [ doi:10.1107/S0909049505021928 ] Grain-size control in situ at high pressures and high temperatures in a diamond-anvil cellV. B. Prakapenka, G. Shen, M. L. Rivers, S. R. Sutton and L. DubrovinskySynopsis: Grain size and grain boundaries are important parameters that should be taken into account in high-pressure diffraction studies. The effects of pressure and temperature on crystal growth in the diamond-anvil cell have been studied using various starting materials. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 566-576 [ doi:10.1107/S0909049505022016 ] Structural changes induced by lattice-electron interactions: SiO2 stishovite and FeTiO3 ilmeniteT. YamanakaSynopsis: Structure changes induced by lattice-electron interactions under high pressure have been investigated using a diamond anvil pressure cell. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 577-583 [ doi:10.1107/S0909049505022326 ] Single-crystal synchrotron X-ray diffraction study of wüstite and magnesiowüstite at lower-mantle pressuresS. D. Jacobsen, J.-F. Lin, R. J. Angel, G. Shen, V. B. Prakapenka, P. Dera, H.-k. Mao and R. J. HemleySynopsis: Single-crystal samples of wüstite-Fe0.93O and magnesiowüstite-(Mg0.73Fe0.27)O were hydrostatically compressed in a diamond-anvil cell to 51 GPa. Equation-of-state parameters for the high-pressure rhombohedral phase of Fe0.93O were determined. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 584-589 [ doi:10.1107/S0909049505021321 ] Structure solution in binary systems under high pressure: phase decomposition and phase synthesisV. F. DegtyarevaSynopsis: Phase decomposition is considered for structure solutions in binary systems at high pressure and high temperature. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 590-597 [ doi:10.1107/S0909049505021461 ] High-pressure polymorphism of cyclopentanol (C5H10O): the structure of cyclopentanol phase-V at 1.5 GPaS. A. Moggach, D. R. Allan, P. Lozano-Casal and S. ParsonsSynopsis: The fully ordered high-pressure crystal structure of cyclopentanol (C5H10O) has been solved using single-crystal X-ray diffraction techniques on station 9.8 at the SRS Daresbury Laboratory. The crystal structure is characterized by the formation of molecular chains, denoted C Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 598-607 [ doi:10.1107/S0909049505019850 ] The effect of pressure on the crystal structure of hexagonal L-cystineS. A. Moggach, D. R. Allan, S. Parsons, L. Sawyer and J. E. WarrenSynopsis: The structure of hexagonal L-cystine consists of pairs of hydrogen-bonded layers connected by disulfide bridges. The conformation about the bridges changes on compression to 3.7 GPa as the C-S-S-C units act like springs; other changes can be understood by examination of the distribution of voids in the ambient pressure structure. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 608-617 [ doi:10.1107/S0909049505024684 ] Adapting polychromatic X-ray microdiffraction techniques to high-pressure research: energy scan approachG. E. Ice, P. Dera, W. Liu and H.-k. MaoSynopsis: Applications of various modifications of polychromatic single-crystal microdiffraction to experiments at ultrahigh pressure are discussed. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 618-625 [ doi:10.1107/S0909049505022600 ] Advances in array detectors for X-ray diffraction techniquesQ. S. Hanley and M. B. DentonSynopsis: Recent developments in solid-state imaging technologies have provided a framework for faster, lower noise and larger format systems than previously available. Advances which have not found widespread use in instrumentation for X-ray diffraction include highly parallel readout amplifiers, hybrid imaging technologies and improved CMOS imagers. These advances are discussed and simulations are presented of selected devices incorporated into a new generation of instrumentation for Laue diffraction applications. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 626-631 [ doi:10.1107/S0909049505023575 ] Strategies for reducing preferred orientation and strain in powder samples for high-pressure synchrotron X-ray diffraction in diamond-anvil cellsO. Tschauner, J. McClure and M. NicolSynopsis: Strategies for reducing preferred orientation and strain in powder samples for high-pressure synchrotron X-ray diffraction in the diamond-anvil cell are presented. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 632-636 [ doi:10.1107/S0909049505021084 ] A new paradigm to extend diffraction measurements beyond the megabar regimeS. M. Clark and R. JeanlozSynopsis: The possibility of using X-ray diffraction to precisely monitor crystal structure at the extremes of pressure and temperature is explored. A summary of the advantages of using various X-ray sources for this work and an outline of the necessary experimental layout is given. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 637-641 [ doi:10.1107/S0909049505020741 ] X-ray emission spectroscopy with a laser-heated diamond anvil cell: a new experimental probe of the spin state of iron in the Earth's interiorJ.-F. Lin, V. V. Struzhkin, S. D. Jacobsen, G. Shen, V. B. Prakapenka, H.-K. Mao and R. J. HemleySynopsis: X-ray emission spectroscopy and X-ray diffraction have been used in conjunction with the double-sided laser-heated diamond cell technique for studying local electronic spin states of ferrous iron in magnesiowüstite-(Mg0.75,Fe0.25)O and its crystal structure under high pressures and temperatures in situ. The new method can be used to study 3d transition metals in oxides and silicates under conditions relevant to deep-Earth and planetary interiors. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 642-649 [ doi:10.1107/S0909049505022442 ] Facilities for high-pressure research with the diamond anvil cell at GSECARSG. Shen, V. B. Prakapenka, P. J. Eng, M. L. Rivers and S. R. SuttonSynopsis: Instrumentation for high-pressure research with the diamond anvil cell at GSECARS is described in terms of capabilities and characteristics. Future prospects are discussed with regard to these facilities for high-pressure research. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 650-658 [ doi:10.1107/S0909049505020959 ] A beamline for high-pressure studies at the Advanced Light Source with a superconducting bending magnet as the sourceM. Kunz, A. A. MacDowell, W. A. Caldwell, D. Cambie, R. S. Celestre, E. E. Domning, R. M. Duarte, A. E. Gleason, J. M. Glossinger, N. Kelez, D. W. Plate, T. Yu, J. M. Zaug, H. A. Padmore, R. Jeanloz, A. P. Alivisatos and S. M. ClarkSynopsis: A new high-pressure facility for diffraction and spectroscopy using diamond anvil high-pressure cells has been developed at the Advanced Light Source. Details of the mechanics and performance of the beamline and endstation are given. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 659-664 [ doi:10.1107/S0909049505023216 ] Development of a new state-of-the-art beamline optimized for monochromatic single-crystal and powder X-ray diffraction under extreme conditions at the ESRFM. Mezouar, W. A. Crichton, S. Bauchau, F. Thurel, H. Witsch, F. Torrecillas, G. Blattmann, P. Marion, Y. Dabin, J. Chavanne, O. Hignette, C. Morawe and C. BorelSynopsis: A new high-flux high-pressure XRD beamline is now in operation at the ESRF. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 665-669 [ doi:10.1107/S090904950501770X ] A fast mechanical shutter for submicrosecond time-resolved synchrotron experimentsM. Gembicky, D. Oss, R. Fuchs and P. CoppensSynopsis: A new precise synchrotron-ring synchronized X-ray beam shutter has been built and tested. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 670-674 [ doi:10.1107/S0909049505022569 ] Performance of a dispersion-compensating scanning X-ray spectrometer for Compton profile measurementsN. Hiraoka, T. Buslaps, V. Honkimäki and P. SuorttiSynopsis: A new Compton spectrometer, constructed at beamline ID15B of the ESRF, is described. This spectrometer is based on a novel idea, the dispersion compensation. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 675-679 [ doi:10.1107/S0909049505020261 ] An in situ and operando X-ray absorption spectroscopy setup for measuring sub-monolayer model and powder catalystsN. Weiher, E. Bus, B. Gorzolnik, M. Möller, R. Prins and J. A. van BokhovenSynopsis: A versatile X-ray absorption cell is presented giving the possibility of investigating model catalysts at atmospheric pressure and powder catalysts under plug-flow conditions. As an example, Au/SiO2 model and powder catalysts are examined. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 680-684 [ doi:10.1107/S0909049505019618 ] A new experimental cell for in situ and operando X-ray absorption measurements in heterogeneous catalysisJ.-S. Girardon, A. Y. Khodakov, M. Capron, S. Cristol, C. Dujardin, F. Dhainaut, S. Nikitenko, F. Meneau, W. Bras and E. PayenSynopsis: The design of a new cell for in situ and operando X-ray absorption experiments is reported. The cell is successfully tested for in situ characterization of cobalt silica-supported Fischer-Tropsch catalysts and operando studies of methanol oxidation over molybdenum catalysts. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 685-689 [ doi:10.1107/S0909049505017280 ] Determination of the dynamic deformation tensor by time-resolved triple-crystal diffractometryY. Hayashi, N. Tsukuda, E. Kuramoto, Y. Tanaka and T. IshikawaSynopsis: The time-dependent deformation tensor, having dilational and shear components, has been determined by time-resolved triple-crystal X-ray diffractometry. The observed dynamic deformation in a GaAs wafer irradiated by ultrashort laser pulses, i.e. pulsed photothermal deformation, was followed by the appearance of a flexural standing wave. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 690-695 [ doi:10.1107/S090904950501931X ] X-ray excited visible luminescence spectroscopy of organic materials using a portable optical spectrometerV. Maiorano, F. Matino, R. Cingolani, J. Thompson and R. I. R. BlythSynopsis: The use of a portable video telescope to obtain X-ray excited optical luminescence spectra is described, including examples of light emission from luminescent organic molecules. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 696-700 [ doi:10.1107/S090904950502042X ] On a phase problem of high-resolution Fourier transform X-ray spectroscopyK. Tamasaku, M. Yabashi and T. IshikawaSynopsis: A phase problem and spectrum recovery from the modulus of an interferogram are discussed. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 701-706 [ doi:10.1107/S0909049505021072 ] Quantitative and qualitative studies on high-contrast X-ray radiography with an asymmetrical crystal set-up at ElettraM. G. Hönnicke, L. Rigon, R.-H. Menk and C. CusatisSynopsis: An analyzer-based X-ray phase contrast imaging system with an asymmetrical crystal set-up has been mounted for quantitative and qualitative studies at the SYRMEP beamline of Elettra. The technique is shown to be powerful enough to see details in ox brain tissue that are not detected using conventional synchrotron radiography. Online 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 707 [ doi:10.1107/S0909049505025331 ] 1 m vacuum monochromatorOnline 16 August 2005 |
 | J. Synchrotron Rad. (2005). 12, 708-709 [ doi:10.1107/S0909049505025513 ] Current eventsOnline 16 August 2005 |
J. Synchrotron Rad. (2005). 12, 710 forthcoming meetings and short courses |
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(4) in graph set notation, with the molecules adopting a pseudo fourfold arrangement around the central core of hydrogen bonds.