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Inside Back Cover: Bipolar Tribocharging Signal During Friction Force Fluctuations at Metal–Insulator Interfaces (Angew. Chem. Int. Ed. 45/2014)
Author(s) -
Burgo Thiago A. L.,
Erdemir Ali
Publication year - 2014
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201408559
Subject(s) - triboelectric effect , insulator (electricity) , materials science , electrostatics , electrostatic discharge , metal , flow (mathematics) , atomic physics , mechanics , chemistry , nanotechnology , voltage , physics , electrical engineering , optoelectronics , composite material , metallurgy , engineering
Friction force fluctuations are accompanied by two tribocharging events: the flow of charged species in one direction promptly followed by the flow of charges in the reverse direction. T. A. L. Burgo and A. Erdemir describe in their Communication on page 12101 ff. that owing to mechanochemical reactions, a microscopically high‐energy non‐equilibrium steady state is formed at the interface triggering a triboplasma, with formation of electrostatic charges and emission of electromagnetic radiation.