First Evidence of a Single‐Ion Electron Trap at the Surface of an Ionic Oxide | Zendy

Chiesa Mario | Zendy; Paganini Maria Cristina | Zendy; Giamello Elio | Zendy; Di Valentin Cristiana | Zendy; Pacchioni Gianfranco | Zendy

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First Evidence of a Single‐Ion Electron Trap at the Surface of an Ionic Oxide

Author(s) -

Chiesa Mario,

Paganini Maria Cristina,

Giamello Elio,

Di Valentin Cristiana,

Pacchioni Gianfranco

Publication year - 2003

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200250811

Subject(s) - ionic bonding , oxide , ion , electron , trapping , surface (topology) , chemistry , penning trap , chemical physics , materials science , inorganic chemistry , atomic physics , physics , organic chemistry , ecology , quantum mechanics , biology , geometry , mathematics

A single electron can be trapped by a triply coordinated single cation at a magnesium oxide surface (see picture). The resulting center, denoted MgO corner (H + /e − ), is a member of a new family of surface color centers and represents a significant advance for the concept of electron‐trapping sites in solids.

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