Reversible Insulator‐to‐Metal Transition in p + ‐Type Mesoporous Silicon Induced by the Adsorption of Ammonia | Zendy

Chiesa Mario | Zendy; Amato Giampiero | Zendy; Boarino Luca | Zendy; Garrone Edoardo | Zendy; Geobaldo Francesco | Zendy; Giamello Elio | Zendy

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Reversible Insulator‐to‐Metal Transition in p + ‐Type Mesoporous Silicon Induced by the Adsorption of Ammonia

Author(s) -

Chiesa Mario,

Amato Giampiero,

Boarino Luca,

Garrone Edoardo,

Geobaldo Francesco,

Giamello Elio

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.200352114

Subject(s) - mesoporous material , adsorption , silicon , ammonia , materials science , inorganic chemistry , transition metal , metal , electron , conduction band , silicon on insulator , metal–insulator transition , chemistry , metallurgy , physics , organic chemistry , catalysis , quantum mechanics

Gas works wonders! Conduction‐band electrons can be generated in p + ‐type mesoporous crystalline silicon through the adsorption of ammonia (see scheme). Free‐carrier concentration increases with increasing NH 3 adsorption to a critical value, where a reversible insulator‐to‐metal transition occurs.

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