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Title: Nanoscale lubrication of ionic surfaces controlled via a strong electric field

Abstract

Frictional forces arise whenever objects around us are set in motion. Controlling them in a rational manner means gaining leverage over mechanical energy losses and wear. This study presents a way of manipulating nanoscale friction by means of in situ lubrication and interfacial electrochemistry. Water lubricant is directionally condensed from the vapor phase at a moving metal-ionic crystal interface by a strong confined electric field, thereby allowing friction to be tuned up or down via an applied bias. The electric potential polarity and ionic solid solubility are shown to strongly influence friction between the atomic force microscope (AFM) tip and salt surface. An increase in friction is associated with the AFM tip digging into the surface, whereas reducing friction does not influence its topography. No current flows during friction variation, which excludes Joule heating and associated electrical energy losses. Also, the demonstrated novel effect can be of significant technological importance for controlling friction in nano- and micro-electromechanical systems.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1259691
Alternate Identifier(s):
OSTI ID: 1265278
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 5; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; chemical physics; other nanotechnology; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Strelcov, Evgheni, Bocharova, Vera, Sumpter, Bobby G., Tselev, Alexander, Kalinin, Sergei V., and Kumar, Rajeev. Nanoscale lubrication of ionic surfaces controlled via a strong electric field. United States: N. p., 2015. Web. doi:10.1038/srep08049.
Strelcov, Evgheni, Bocharova, Vera, Sumpter, Bobby G., Tselev, Alexander, Kalinin, Sergei V., & Kumar, Rajeev. Nanoscale lubrication of ionic surfaces controlled via a strong electric field. United States. https://doi.org/10.1038/srep08049
Strelcov, Evgheni, Bocharova, Vera, Sumpter, Bobby G., Tselev, Alexander, Kalinin, Sergei V., and Kumar, Rajeev. Tue . "Nanoscale lubrication of ionic surfaces controlled via a strong electric field". United States. https://doi.org/10.1038/srep08049. https://www.osti.gov/servlets/purl/1259691.
@article{osti_1259691,
title = {Nanoscale lubrication of ionic surfaces controlled via a strong electric field},
author = {Strelcov, Evgheni and Bocharova, Vera and Sumpter, Bobby G. and Tselev, Alexander and Kalinin, Sergei V. and Kumar, Rajeev},
abstractNote = {Frictional forces arise whenever objects around us are set in motion. Controlling them in a rational manner means gaining leverage over mechanical energy losses and wear. This study presents a way of manipulating nanoscale friction by means of in situ lubrication and interfacial electrochemistry. Water lubricant is directionally condensed from the vapor phase at a moving metal-ionic crystal interface by a strong confined electric field, thereby allowing friction to be tuned up or down via an applied bias. The electric potential polarity and ionic solid solubility are shown to strongly influence friction between the atomic force microscope (AFM) tip and salt surface. An increase in friction is associated with the AFM tip digging into the surface, whereas reducing friction does not influence its topography. No current flows during friction variation, which excludes Joule heating and associated electrical energy losses. Also, the demonstrated novel effect can be of significant technological importance for controlling friction in nano- and micro-electromechanical systems.},
doi = {10.1038/srep08049},
journal = {Scientific Reports},
number = ,
volume = 5,
place = {United States},
year = {Tue Jan 27 00:00:00 EST 2015},
month = {Tue Jan 27 00:00:00 EST 2015}
}

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Cited by: 17 works
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Works referenced in this record:

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Scanning Electrochemical Microscopy as a Probe of Silver Chloride Dissolution Kinetics in Aqueous Solutions
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Effects of an Applied Electric Field on the Vapor−Liquid Equilibria of Water, Methanol, and Dimethyl Ether
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  • Langmuir, Vol. 27, Issue 6
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journal, January 1946


Calibration of frictional forces in atomic force microscopy
journal, September 1996

  • Ogletree, D. F.; Carpick, R. W.; Salmeron, M.
  • Review of Scientific Instruments, Vol. 67, Issue 9
  • DOI: 10.1063/1.1147411

Experimental Evidence for Ice Formation at Room Temperature
journal, July 2008


Nanoscopic Friction under Electrochemical Control
journal, February 2014


Water Freezes Differently on Positively and Negatively Charged Surfaces of Pyroelectric Materials
journal, February 2010


Polaromicrotribometry: A Friction Method for the Study of Polarized Metal Solution Interfaces
journal, January 1975

  • Dubois, J. E.
  • Journal of The Electrochemical Society, Vol. 122, Issue 11
  • DOI: 10.1149/1.2134041

Electromelting of Confined Monolayer Ice
text, January 2013


Works referencing / citing this record:

Towards nanoscale electrical measurements in liquid by advanced KPFM techniques: a review
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From ice superlubricity to quantum friction: Electronic repulsivity and phononic elasticity
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Quantification of in-contact probe-sample electrostatic forces with dynamic atomic force microscopy
journal, January 2017


Boundary lubrication by adsorption film
journal, June 2015


Boundary lubrication by adsorption film
journal, June 2015