Enhanced tensile modulus in polyacrylonitrile-based carbon fibers via ex situ boron doping in continuous catalytic graphitization. - Kim, Young Beom; Park, Hyeong Min; Lee, Dong Hun; Hahn, MoonHeui; Kim, Byoung-Suhk; Kuk, Yun-Su; Kim, Doo-Won (Journal of Materials Science, 2026)