Tom, H.W.K.H.W.K.TomChang, Y.M.Y.M.ChangKwak, H.H.Kwak2020-06-112020-06-11199909462171https://scholars.lib.ntu.edu.tw/handle/123456789/501570[SDGs]SDG7Coherent phonon and electron spectroscopy on surfaces using time-resolved second-harmonic generationjournal article10.1007/s003400050624