title: Resonant tunneling through one- and zero-dimensional states constricted by AlxGa1-xAs/GaAs/AlxGa1-xAs heterojunctions and high-resistance regions induced by focused Ga ion-beam implanation.
authors.initials: S
authors.lastname: Tarucha
authors.initials: Y
authors.lastname: Hirayama
authors.initials: T
authors.lastname: Saku
authors.initials: T
authors.lastname: Kimura