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Article
Mechanocatalysis of CO to CO2 on TiO2 surface controlled at atomic scale
The common ways to activate a chemical reaction are by heat, electric current, or light. However, mechanochemistry, where the chemical reaction is activated by applied mechanical force, is less common and only...
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Article
Open AccessElectron dynamics of tip-tunable oxygen species on TiO2 surface
The redox states of oxygen species on the surface of TiO2 can be altered by electron tunneling by varying the applied bias voltage of an atomic force microscope tip. However, tunneling is stochastic in nature and...
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Article
Subatomic-scale force vector map** above a Ge(001) dimer using bimodal atomic force microscopy
Measuring vector quantities in nanoscale systems is challenging — often only scalar magnitudes can be experimentally obtained. Now, a multi-frequency atomic force microscopy method for probing the 3D force res...