Performance of the undulator based ultraviolet and soft x-ray beamline for catalysis and surface science at National Synchrotron Radiation Laboratory

2016 ◽  
Vol 838 ◽  
pp. 62-65
Author(s):  
Liangliang Du ◽  
Xuewei Du ◽  
Shen Wei ◽  
Chaoyang Li ◽  
Congyuan Pan ◽  
...  
Keyword(s):  
Synchrotron Radiation ◽  
Surface Science ◽  
X Ray ◽  
Radiation Laboratory ◽  
National Synchrotron Radiation Laboratory

scholarly journals Three Dimensional Imaging of Biological Samples and Nano-materials Using Soft X-ray Microscopy

2018 ◽  
Vol 24 (S2) ◽  
pp. 392-393
Author(s):  
Gang Liu ◽  
Liang Chen ◽  
Yong Guan
Keyword(s):  
Synchrotron Radiation ◽  
Monochromatic Light ◽  
Three Dimensional ◽  
Nano Materials ◽  
Biological Applications ◽  
Chemical Fixation ◽  
X Ray ◽  
Water Window ◽  
Radiation Laboratory ◽  
National Synchrotron Radiation Laboratory

AbstractThe soft X-ray Microscopy beamline BL07W at National Synchrotron Radiation Laboratory is devoted to cryo nano-tomography for biological applications in the water window (284 - 530 eV) and for imaging of nanomaterials from 200 to 2500 eV. An ellipsoidal capillary used as condense to focus monochromatic light onto the sample. Two Ni zone plate (ZP) lenses made by Zeiss with 40 nm and 25 nm outer most zone widths, respectively, are available, giving spatial resolution in 2D of down to 40 nm and 30 nm, respectively. Hydrated biological specimens had been imaged in the water window photon energy range without chemical fixation, dehydration, chemical staining and physical sectioning. In addition, other applications such as nanomaterials imaging had been demonstrated.

Pigments analysis in cartonages of an Egyptian mummy of the Roman period using X-ray fluorescence spectrometry

2005 ◽  
Vol 80 (1) ◽  
Author(s):  
Cristiane Calza ◽  
Marcelino J. Anjos I ◽  
Sheila M.F. Mendonça de Souza ◽  
Antonio Brancaglion Jr ◽  
Ricardo T. Lopes
Keyword(s):  
Chemical Composition ◽  
Synchrotron Radiation ◽  
Fluorescence Analysis ◽  
Spectroscopic Technique ◽  
Roman Period ◽  
Metal Alloys ◽  
Egyptian Mummy ◽  
X Ray ◽  
Radiation Technique ◽  
Radiation Laboratory

This work evaluates the chemical composition of pigments used in decorative paintings in the coffin cartonage fragments and linen wrappings of an Egyptian mummy, using X-ray microfluorescence with synchrotron radiation technique. The measures were obtained at the XRF beamline of the National Synchrotron Radiation Laboratory (LNLS). This Roman period female mummy is one of the most important mummies in the National Museum because of its unconventional embalming with disarticulated legs and arms. X-ray fluorescence analysis is a widely used spectroscopic technique in archaeometry for investigating the chemical composition of pigments in manuscripts, paintings, ceramics and other artifacts, metal alloys, and stones. Knowledge of composition allows pigment characterization through major or minor constituents, and makes it possible to establish the provenance, age, and consequently, the authenticity of the artifact.

Instrumentation for Synchrotron X-Ray Powder Diffractometry

1985 ◽  
Vol 29 ◽  
pp. 243-250 ◽  
Author(s):  
W. Parrish ◽  
M. Hart ◽  
C. G. Erickson ◽  
N. Masciocchi ◽  
T. C. Huang
Keyword(s):  
Synchrotron Radiation ◽  
Powder Diffraction ◽  
Storage Ring ◽  
Scintillation Counter ◽  
Diffraction Method ◽  
Energy Dispersive ◽  
Parallel Beam ◽  
X Ray ◽  
Radiation Laboratory ◽  
Energy Dispersive Diffraction

AbstractThe instrumentation developed for poly crystalline diffractometry using the storage ring at the Stanford Synchrotron Radiation Laboratory is described. A pair of automated vertical scan diffractometers was used for a Si (111) channel monochromator and the powder specimens. The parallel beam powder diffraction was defined by horizontal parallel slits which had several times higher intensity than a receiving slit at the same resolution. The patterns were obtained with 2:1 scanning with’ a selected monochromatic beam, and an energy dispersive diffraction method in which the monochromator is step-scanned, and the specimen and scintillation counter are fixed. Both methods use the same instrumentation.

U7C beamline and XAFS station of National Synchrotron Radiation Laboratory

2001 ◽  
Vol 8 (2) ◽  
pp. 348-350 ◽  
Author(s):  
Faqiang Xu ◽  
Wenhan Liu ◽  
Shiqiang Wei ◽  
Chaoyin Xu ◽  
Guoqiang Pan ◽  
...  
Keyword(s):  
Synchrotron Radiation ◽  
Radiation Laboratory ◽  
National Synchrotron Radiation Laboratory
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