GUANG-YU GUO2018-09-102018-09-102009http://www.scopus.com/inward/record.url?eid=2-s2.0-67249127823&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/349709Electronic structure, linear, and nonlinear optical responses in magnetoelectric multiferroic material BiFeO<inf>3</inf>journal article10.1063/1.31467962-s2.0-67249127823