Journal of Synchrotron Radiation

Volume 6, Part 5 (September 1999)



[Issue Author Index][Volume Author Index]
[Cover illustration] Cover illustration: Lead island on Si(111), see Schmidt, Slezak, Heun, Diaz, Blyth, Delaunay, Cocco, Prince, Bauer and Coreno, pages 957-963.

obituaries


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J. Synchrotron Rad. (1999). 6, 945-946  [ doi:10.1107/S0909049599009772 ]

David Phillips, 1924-1999

M. Perutz

Online September 1999


research papers


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J. Synchrotron Rad. (1999). 6, 947-952  [ doi:10.1107/S0909049599003404 ]

Extraction of single bunches of synchrotron radiation from storage rings with an X-ray chopper based on a rotating mirror

D. Kosciesza and H. D. Bartunik

Synopsis: Single bunches of synchrotron radiation in the hard X-ray regime may be extracted with a shutter involving a rotating mirror. Nanosecond time-resolved Laue diffraction experiments are feasible even in the case of very short bunch-to-bunch distances.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 953-956  [ doi:10.1107/S0909049599009450 ]

Beryllium and aluminium refractive collimators for synchrotron radiation

A. Q. R. Baron, Y. Kohmura, V. V. Krishnamurthy, Y. V. Shvyd'ko and T. Ishikawa

Synopsis: Be refractive lenses reduce the divergence of an X-ray beam from >11  µrad to <3  µrad, with almost no losses (~90% transmission). Al lenses provide similar collimation but lower (~45%) transmission.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 957-963  [ doi:10.1107/S0909049599008092 ]

Optical layout of a beamline for photoemission microscopy

T. Schmidt, J. Slezak, S. Heun, J. Diaz, R. R. Blyth, R. Delaunay, D. Cocco, K. C. Prince, E. Bauer and M. Coreno

Synopsis: The optical layout of a soft X-ray photoemission microscopy beamline using a full-field microscope is described. Fresnel diffraction of the synchrotron light is a nano-scale system is observed.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 964-972  [ doi:10.1107/S0909049599008122 ]

The soft X-ray spectroscopy beamline at the LNLS: technical description and commissioning results

M. Abbate, F. C. Vicentin, V. Compagnon-Cailhol, M. C. Rocha and H. Tolentino

Synopsis: The soft X-ray spectroscopy beamline installed at a bending-magnet source in the LNLS is presented. A technical description of the main elements is given and some selected commissioning results are shown.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 973-978  [ doi:10.1107/S0909049599005385 ]

X-ray focusing using an inclined Bragg-reflection lens

J. Hrdý and D. P. Siddons

Synopsis: An experimental demonstration showing that a one-dimensional focus can be produced by using the principle of inclined diffraction from a perfect crystal is presented.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 979-984  [ doi:10.1107/S0909049599001934 ]

A focusing multilayer analyser for local diffraction studies

U. Lienert, H. F. Poulsen, V. Honkimäki, C. Schulze and O. Hignette

Synopsis: Demonstration of a focusing multilayer analyser for local diffraction studies in bulk materials.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 985-994  [ doi:10.1107/S0909049599007657 ]

Biological X-ray diffraction measurements with a novel two-dimensional gaseous pixel detector

A. Sarvestani, H. Amenitsch, S. Bernstorff, H.-J. Besch, R. H. Menk, A. Orthen, N. Pavel, M. Rappolt, N. Sauer and A. H. Walenta

Synopsis: A prototype of a novel pixel detector based on a gaseous single-photon counter is presented. Its suitability for advanced biological diffraction applications is demonstrated by a variety of test measurements at a synchrotron radiation source.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 995-1006  [ doi:10.1107/S0909049599006342 ]

Accurate and highly complete synchrotron protein crystal Laue diffraction data using the ESRF CCD and the Daresbury Laue software

Y. P. Nieh, J. Raftery, S. Weisgerber, J. Habash, F. Schotte, T. Ursby, M. Wulff, A. Hädener, J. W. Campbell, Q. Hao and J. R. Helliwell

Synopsis: Daresbury Laue software and ESRF CCD yielded highly complete and redundant data to 2.3  Å from a single crystal of the enzyme hydroxymethylbilane synthase (wild type, active form). Detector dynamic range capability and Laue geometry are analysed.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 1007-1015  [ doi:10.1107/S0909049599005166 ]

X-ray charge density study of p-amino-p'-nitrobiphenyl at 20  K using a CCD area detector and synchrotron radiation: a very large dipole moment enhancement in the solid state

A. Volkov, G. Wu and P. Coppens

Synopsis: Analysis of 20  K synchrotron single-crystal intensity data indicates a large enhancement of the molecular dipole moment in the solid state. The strategy for area-detector data collection with cryostat-cooled samples is discussed in detail.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 1016-1020  [ doi:10.1107/S0909049599004616 ]

X-ray analysis of protein crystals with thin-plate morphology

O. Mayans and M. Wilmanns

Synopsis: Crystals of the serine kinase domain of titin grew as very thin plates. Crystallization conditions, mounting and flash freezing of the crystals were optimized to collect suitable X-ray data from a synchrotron beamline.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 1021-1030  [ doi:10.1107/S0909049599004537 ]

Existence of various structural zones in keratinous tissues revealed by X-ray microdiffraction

B. Busson, P. Engström and J. Doucet

Synopsis: Microdiffraction experiments reveal the existence of several separated structural zones in keratinous tissues.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 1031-1034  [ doi:10.1107/S0909049599007463 ]

A synchrotron radiation X-ray scattering study of aqueous solutions of native DNA

G. Barone, Z. Sayers, D. Svergun and M. H. J. Koch

Synopsis: Zimm plots in the rodlike approximation indicate that repulsive interactions still affect the X-ray scattering patterns of dilute DNA solutions at low ionic strength at resolutions as high as 5-8  nm.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 1035-1043  [ doi:10.1107/S0909049599007840 ]

Crystal structure analysis of two crystalline bis([omega]-hydroxyalkoxy)biphenyls using a combination of powder diffraction, IR spectroscopy and molecular simulation

A. Langevelde, P. Capková, E. Sonneveld, H. Schenk, M. Trchova and M. Ilavský

Synopsis: The structure of a crystalline mesogenic diol has been determined from high-resolution synchrotron powder-diffraction data. The disordered structure of another long-chain diol has been analyzed with XRD, IR spectroscopy and molecular simulation, revealing the character of the disorder. Both structures are lamellar-packed and layered.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 1044-1050  [ doi:10.1107/S0909049599004513 ]

Turbo-XAS: dispersive XAS using sequential acquisition

S. Pascarelli, T. Neisius and S. De Panfilis

Synopsis: Sequential acquisition of energy points using energy-dispersive optics is shown to be a suitable technique for time-resolved X-ray absorption studies in the sub-second range, and is complementary to the traditional parallel data-acquisition method.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 1051-1058  [ doi:10.1107/S0909049599005634 ]

Local structure and mean-square relative displacement in SiO2 and GeO2 polymorphs

A. Yoshiasa, T. Tamura, O. Kamishima, K. Murai, K. Ogata and H. Mori

Synopsis: The local structures and mean-square relative displacements were determined in tridymite, quartz, stishovite, quartz-type GeO2 and rutile-type GeO2.

Online September 1999


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J. Synchrotron Rad. (1999). 6, 1059-1064  [ doi:10.1107/S0909049599008444 ]

Uranium-sensitive tomography with synchrotron radiation

T. Materna, J. Jolie, W. Mondelaers, B. Masschaele, V. Honkimäki, A. Koch and T. Tschentscher

Synopsis: The feasibility of heavy-element-sensitive tomography using synchrotron radiation on centimetre-scale samples containing uranium was proven. This was performed using a detector based on a CCD camera and a scintillation screen.

Online September 1999


short communications


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J. Synchrotron Rad. (1999). 6, 1065-1066  [ doi:10.1107/S090904959900268X ]

A classical Hanbury Brown-Twiss experiment with hard X-rays

E. Gluskin, E. E. Alp, I. McNulty, W. Sturhahn and J. Sutter

Synopsis: The classical Hanbury Brown-Twiss experiment has been conducted with hard X-ray synchrotron radiation at the Advanced Photon Source. The measured spatial coherence area of the X-ray beam is in good agreement with the prediction based on the vertical positron beam size.

Online September 1999


J. Synchrotron Rad.. (1999). 6, 1067

forthcoming meetings and short courses.


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