title: Energy-band engineering for improved charge retention in fully self-aligned double floating-gate single-electron memories.
abstract: We present a new fully self-aligned single-electron memory with a single pair of nano floating gates, made of different materials (Si and Ge). The energy barrier that prevents stored charge leakage is induced not only by quantum effects but also by the conduction-band offset that arises between Ge and Si. The dimensions and position of each floating gate are well-defined and controlled. The devices exhibit a long retention time and single-electron injection at room temperature.
authors.affiliation: Institute of Information and Communication Technologies, Electronics and Applied Mathematics (ICTEAM), Université catholique de Louvain, Place du Levant, 3, B-1348 Louvain-la-Neuve, Belgium. xiaohui.tang@uclouvain.be
authors.forename: Xiaohui
authors.initials: X
authors.lastname: Tang
authors.forename: Christophe
authors.initials: C
authors.lastname: Krzeminski
authors.forename: Aurélien
authors.initials: A
authors.lastname: Lecavelier des Etangs-Levallois
authors.forename: Zhenkun
authors.initials: Z
authors.lastname: Chen
authors.forename: Emmanuel
authors.initials: E
authors.lastname: Dubois
authors.forename: Erich
authors.initials: E
authors.lastname: Kasper
authors.forename: Alim
authors.initials: A
authors.lastname: Karmous
authors.forename: Nicolas
authors.initials: N
authors.lastname: Reckinger
authors.forename: Denis
authors.initials: D
authors.lastname: Flandre
authors.forename: Laurent A
authors.initials: LA
authors.lastname: Francis
authors.forename: Jean-Pierre
authors.initials: JP
authors.lastname: Colinge
authors.forename: Jean-Pierre
authors.initials: JP
authors.lastname: Raskin
mesh_terms: D004735:Energy Transfer; D004867:Equipment Design; D019544:Equipment Failure Analysis; D016247:Information Storage and Retrieval; D036103:Nanotechnology / Q000295:instrumentation*; D012666:Semiconductors; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation*; D055672:Static Electricity