Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/9618
Title: Achievement of controlled resistive response of nanogapped palladium film to hydrogen
Authors: Zhao, M
Wong, MH
Ong, CW 
Issue Date: 2015
Publisher: American Institute of Physics
Source: Applied physics letters, 2015, v. 107, no. 3, 033108 How to cite?
Journal: Applied physics letters 
Abstract: Palladium (Pd) film containing nanogaps of well controlled dimension was fabricated on a Si wafer having a high-aspect-ratio micropillar. The Pd film was arranged to experience hydrogen (H2)-induced volume expansion. (i) If the nanogap is kept open, its width is narrowed down. A discharge current was generated to give a strong, fast, and repeatable on-off type resistive switching response. (ii) If the nanogap is closed, the cross section of the conduction path varies to give continuous H<inf>2</inf>-concentration dependent resistive response. The influence of stresses and related physical mechanisms are discussed.
URI: http://hdl.handle.net/10397/9618
ISSN: 0003-6951
EISSN: 1077-3118
DOI: 10.1063/1.4927394
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