"Y. Ohshima,N. Hirako,H. Kohn,T. Manaka,M. Iwamoto,E. Lim,H. Sirringhaus","Direct Observation of Electron Transit in Ambipolar Polymer-Based Light-Emitting Transistor by Optical Second Harmonic Generation Measurement",,"Physics Procedia",,"Vol. 14",,"pp. 226-230",2011,July "Y. Ohshima,H. Satou,N. Hirako,H. Kohn,T. Manaka,M. Iwamoto","Direct Observation of Carrier Behavior Leading to Electroluminescence in Tetracene Field-Effect Transistor",,"Jpn. J. Appl. Phys.",,"Vol. 50",,,2011,Apr.