Lemmens, P.P.LemmensChoi, K. Y.K. Y.ChoiValentÃ, R.R.ValentÃSaha-Dasgupta, T.T.Saha-DasguptaAbel, E.E.AbelLee, Y. S.Y. S.LeeChou, F. C.F. C.Chou2020-04-212020-04-21200513672630https://scholars.lib.ntu.edu.tw/handle/123456789/485081Spin gap formation in the quantum spin systems TiOX, X = Cl and Brjournal article10.1088/1367-2630/7/1/074