Enhancing MPI performance using atomic pipelined message broadcast in a distributed memory MPSoC. - Jongsu Park; Heejun Yun; Sangook Moon (IEICE Electron. Express, 2014)

Influences of substituting Na+ ions in Eu2+, Mn2+ doped Ba9Y2Si6O24 phosphors. - Heejun Yun; Yurim An; Sangmoon Park (Displays, 2017)