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2019.05.15 09:36

[May 16. 2019] Nano Structure Analysis by Synchrotron Small Angle X-ray Scattering Technique

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Speaker Dr. Hyungjoo-An (Pohang Accelerator Laboratory)
Date Thu. 16 May. 2019
Time 5:00pm
Venue #331, Asan Hall, College of Science

Nano Structure Analysis by Synchrotron Small Angle X-ray Scattering Technique

 

The Small- & wide- angle X-ray scattering (SAXS) is a small-angle scattering (SAS) technique where the elastic scattering of X-rays (wavelength 0.06 ~ 0.2 nm) by a sample which has inhomogeneity in the nm-range, is recorded at very low angles (typically 0.1 - 10°). In this angular range, the X-ray scattering signals contains the information for the shape and size of macromolecules, characteristic distances of partially ordered materials, pore sizes, and other data. Thus, SAXS is capable of delivering structural information of macromolecules between 1 and 25 nm, of repeat distances in partially ordered systems of up to 250 nm. Moreover, it is capable of examining materials with short measuring time and various in-situ condition, enabling researchers to understand morphology in real time and under realistic sample environments. For these reasons, the SAXS technique have offered great opportunities to study the nanostructure and dynamic process in various materials science, such as polymer, biomolecules, liquid crystals, steels and lithium ion battery. Here, we will briefly introduce the Transmission SAXS (TR-SAXS) and Grazing Incidence SAXS (GI-SAXS), which are common SAXS techniques available in PAL, and show practical examples of various scientific applications including various in-situ or in-operando measuring system.


List of Articles
No. Subject Speaker Date
Notice Spring semester 2019 Seminar Schedule file - -
65 Fall semester 2018 Seminar Schedule file - -
64 Fall semester 2016 Seminar Schedule file - -
63 Spring semester 2017 Seminar Schedule file - -
62 [Thu. 27 Apr. 2017] Seminar was canceled! - -
61 Fall semester 2017 Seminar Schedule file - -
60 [Wed. 5 July. 2017] Seminar is canceled! - -
59 7th Jilin-Korea-Waseda Alliance Annual Symposium file - August 17 ~ 19, 2017
58 [Fri. 13 Oct. 2017] Dr. J. Nathan Hohman/The Molecular Foundry, Lawrence Berkeley National Laboratory, California, USA Dr. J. Nathan Hohman Fri. 13 Oct. 2017
57 [Fri. 16 Jun. 2017] Prof. Martin Thuo/Department of Materials Science and Engineering, Iowa State University, USA Prof. Martin Thuo Fri. 16 Jun. 2017
56 [Fri. 17 Mar. 2017] 9th RINS Symposium file - Fri. 17 Mar. 2017
55 [Fri. 30 Oct. 2017] Prof. Igor Rodin/Department of Chemistry, Moscow State University, Moscow, Russia Prof. Igor Rodin Fri. 30 Oct. 201
54 [Fri. 17 Jun. 2016] Prof. Jianwei Sun/Remote Control in Brønsted Acid Catalysis: New Strategies for the Synthesis of Chiral Building Blocks and Medium Rings Prof. Jianwei Sun Friday 17 June 2016
53 [January 24, 2018] Electro-Optic Organic THz Wave Sources file Prof. O-Pil Kwon(Ajou University) January 24, 2018 (Wednesday)
52 [March 20, 2019] Challenges in molecular dynamics simulations of unfolded proteins and protein-DNA complexes file Dr. Jejoong Yoo March 20, 2019
51 [March 27, 2019] Hyperpolarization Researches with NV center, 129Xe and Parahydrogen file Prof. Keunhong Jeong March 27, 2019
50 [Mon. 16 Oct. 2017] Prof. Kirk S. Schanze/Department of Chemistry, University of Texas at San Antonio, Texas, USA Prof. Kirk S. Schanze Mon. 16 Oct. 2017
49 [Mon. 9 Jan. 2017] Prof. Sungwook Woo/Wyss Institute for Biologically Inspired Engineering, Harvard University, USA Prof. Sungwook Woo Mon. 9 Jan. 2017
48 [Mon. 13 Oct. 2016] Prof. Amir H. Hoveyda/Multicomponent Catalytic Synthesis of Organoboron Compounds for Scalable Natural Product Synthesis Prof. Amir H. Hoveyda Monday 13 October 2016
47 [November 14, 2017] Zero-Point Energy, Fluctuations, and Dissipation : A (Mostly) Quantum-Optical Perspective Prof. Milonni, Peter November 14, 2017
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