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\subsection{\texorpdfstring{2015}{2015}}
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\begin{itemize}
  \item [02.11] Congratulations!! Hosin Song received her B.S. degree.
  \item [01.20] Dae-Gyeon Kwon and Prof. Kwon have published a paper ,,Enhancing mechanical toughness of aluminum surfaces by nano-boron implantation: An \emph{ab initio} study" (\href{http://dx.doi.org/10.1016/j.cplett.2014.11.070}{Chem. Phys. Lett. 620, 25-28 (2015)}) in collaboration with Prof. David Tomanek at Michigan State University, USA.
  \item [01.07] Seoung-Hun Kang and Prof. Kwon have published a paper ,,Is hexagonal boron nitride always good as a substrate for carbon-based devices?" (\href{http://dx.doi.org/10.1039/c4cp05478d}{Phys. Chem. Chem. Phys. 17 (7), 5072-5077 (2015)}) in collaboration with Prof. Gunn Kim at Sejong University.
\end{itemize}


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