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A SIMPLE METHOD TO CALCULATE THE DISPLACEMENT DAMAGE CROSS SECTION OF SILICON CARBIDE
Chang, Jonghwa,Cho, Jin-Young,Gil, Choong-Sup,Lee, Won-Jae Korean Nuclear Society 2014 Nuclear Engineering and Technology Vol.46 No.4
We developed a simple method to prepare the displacement damage cross section of SiC using NJOY and SRIM/TRIM. The number of displacements per atom (DPA) dependent on primary knock-on atom (PKA) energy was computed using SRIM/TRIM and it is directly used by NJOY/HEATR to compute the neutron energy dependent DPA cross sections which are required to estimate the accumulated DPA of nuclear material. SiC DPA cross section is published as a table in DeCART 47 energy group structure. Proposed methodology can be easily extended to other materials.
A Simple Method to Calculate the Displacement Damage Cross Section of Silicon Carbid
JONGHWA CHANG 한국원자력학회 2014 Nuclear Engineering and Technology Vol.46 No.4
We developed a simple method to prepare the displacement damage cross section of SiC using NJOY and SRIM/TRIM. The number of displacements per atom (DPA) dependent on primary knock-on atom (PKA) energy was computed usingSRIM/TRIM and it is directly used by NJOY/HEATR to compute the neutron energy dependent DPA cross sections whichare required to estimate the accumulated DPA of nuclear material. SiC DPA cross section is published as a table in DeCART47 energy group structure. Proposed methodology can be easily extended to other materials.
Preparation and Analysis of Bicyclic Polystyrene
Jeong, Jonghwa,Kim, Kihyun,Lee, Rooda,Lee, Sookyeong,Kim, Hyewon,Jung, Haeji,Kadir, Mohammad Abdul,Jang, Yujin,Jeon, Heung Bae,Matyjaszewski, Krzysztof,Chang, Taihyun,Paik, Hyun-jong American Chemical Society 2014 Macromolecules Vol.47 No.12
<P>Bicyclic polystyrene was prepared by combining atom transfer radical polymerization and click chemistry. The bicyclic polymer was separated from concurrently produced acyclic (branched) polymers through fractional precipitation, and its purity was quantified by two-dimensional liquid chromatography analysis. The structure of bicyclic polymer was characterized by SEC, MALDI–TOF MS, <SUP>1</SUP>H NMR, and FT-IR.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/mamobx/2014/mamobx.2014.47.issue-12/ma500391z/production/images/medium/ma-2014-00391z_0009.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ma500391z'>ACS Electronic Supporting Info</A></P>