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UID:20250312T170754EDT-7279795CP7@132.216.98.100
DTSTAMP:20250312T210754Z
DESCRIPTION:Abstract:\n\nThe Canadian Light Source (CLS) is Canada’s nation
 al and international centre for synchrotron science and its applications\,
  providing synchrotron radiation from infrared to hard X-rays with 20 beam
 lines operational\, making wide range of unique research capabilities avai
 lable. As one of the most extensively applied synchrotron techniques\, X-r
 ay absorption spectroscopy (XAS) plays its unique role in environmental\, 
 chemistry and geochemistry\, chemical engineering\, energy study\, especia
 lly in material sciences. Its Nano to sub Nano scale element specific loca
 l structure detecting capability possess a spatial resolution of ~0.02Å in
  scale\, making molecular level structural characterization possible for b
 oth crystalline and amorphous systems. In this talk\, the unique structura
 l probing capability of XAS will be introduced through material bulk natur
 e characterization\, site-by-site\, shell-by-shell and bond-by-bond coordi
 nation\, structural compounds stacking\, complex surface uptake\, to size 
 estimation for Nano to sub Nano scale particles and certain wet chemistry 
 process\, e.g.\, desulfation and sulfation. What also will be discussed is
  the XAS roadmap and the full-scale user support and collaboration at HXMA
 .\n\n \n\nBio:\n\nDr. Chen is a senior staff scientist and the designated 
 beamline responsible for the Hard X-Ray MicroAnalysis beamline (HXMA) at C
 anadian Light Source (CLS). Ning obtained his Ph.D. in 2002 at the Departm
 ent of Geological Sciences\, University of Saskatchewan\, and worked as po
 stdoctoral fellow at CLS between 2001-2003 before becoming a staff scienti
 st at CLS. He involved in building and commissioning HXMA and is responsib
 le for the beamline operation and XAS user program afterwards. Ning’s expe
 rtise is X-ray absorption spectroscopy and its application in material and
  environmental studies. Ning is committed to making every effort to develo
 p the hard X-ray XAS facility at CLS as a leading center of excellence in 
 synchrotron XAS research\, developing user community at his beamline\, and
  promoting XAS both in Canada and internationally. A hypothesis driven and
  theoretical modeling guided XAS roadmap has been developed at HXMA and pr
 omoted throughout HXMA XAS user community\, helping users’ research effect
 ively and efficiently proceeded at HXMA. Ning deeply involves in supervisi
 on and training of HQP as many graduate student XAS users and visiting sci
 entists at his beamline can attest to and collaborates in many scientific 
 and industrial XAS user projects.\n
DTSTART:20240322T170000Z
DTEND:20240322T183000Z
SUMMARY:Chemical Society Seminar: Ning Chen-Element Specific Molecular Scal
 e Structural XAFS Approach in Material Science
URL:/chemistry/channels/event/chemical-society-seminar
 -ning-chen-element-specific-molecular-scale-structural-xafs-approach-35578
 5
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