Surface acoustic wave response to ambient humidity in graphite oxide structures
作者： R. Rimeika , J. Barkauskas , D. Čiplys
DOI: 10.1063/1.3624476
关键词: Graphite oxide 、 Acoustic wave 、 Composite material 、 Graphite 、 Materials science 、 Acoustics 、 Thin film 、 Amplitude 、 Humidity 、 Surface acoustic wave 、 Phase (matter)
摘要: The effect of ambient air humidity on surface acoustic waves (SAW) in graphite oxide-lithium niobate structures was investigated. wave amplitude and phase strongly depended the level with oxide films deposited free substrate surface. These dependencies were significantly reduced a metalized Fast (sub-second range) response to step-like changes observed. Humidity-induced variations SAW velocity are attributed acoustoelectric interaction mass loading due moisture adsorption by layers.
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