Wear-free sliding electrical contacts with ultralow electrical resistivity

Z Wu, Y Wang, T Wu, Y Wang, W Chen, C Zhou… - Proceedings of the …, 2024 - pnas.org
Sliding electrical contacts are commonly applied in electrical connectors, such as conductive
slip rings, pantographs, switches, and commutators. However, they suffer from several …

Characterizing nanoscale scanning probes using electron microscopy: A novel fixture and a practical guide

TDB Jacobs, GE Wabiszewski, AJ Goodman… - Review of Scientific …, 2016 - pubs.aip.org
The nanoscale geometry of probe tips used for atomic force microscopy (AFM)
measurements determines the lateral resolution, contributes to the strength of the tip-surface …

Mechanisms of contact, adhesion, and failure of metallic nanoasperities in the presence of adsorbates: toward conductive contact design

F Yang, RW Carpick, DJ Srolovitz - ACS nano, 2017 - ACS Publications
The properties of contacting interfaces are strongly affected not only by the bulk and surface
properties of contacting materials but also by the ubiquitous presence of adsorbed …

Novel metal silicide thin films by design via controlled solid-state diffusion

F Streller, R Agarwal, F Mangolini… - Chemistry of …, 2015 - ACS Publications
In the quest to accelerate the discovery and deployment of new materials with ideal and
tailored properties, synthesis via solid-state diffusion holds particular promise, as it allows …

In situ oxygen plasma cleaning of microswitch surfaces—comparison of Ti and graphite electrodes

C Oh, F Streller, WR Ashurst, RW Carpick… - Journal of …, 2016 - iopscience.iop.org
Ohmic micro-and nanoswitches are of interest for a wide variety of applications including
radio frequency communications and as low power complements to transistors. In these …

Intermittent failure mechanism and stabilization of microscale electrical contact

T Ma, Z Yu, A Song, J Zhao, H Zhang, H Lu, D Han… - Friction, 2023 - Springer
The stability and lifetime of electrical contact pose a major challenge to the performance of
microelectro-mechanical systems (MEMS), such as MEMS switches. The microscopic failure …

Effects of hot switching and contamination on contact reliability of Pt-coated microswitches

C Oh, M de Boer - IEEE Transactions on Components …, 2019 - ieeexplore.ieee.org
Hot switching and hydrocarbon-induced contact activation limit the lifetimes and exacerbate
the surface erosion/damage in switches. However, the relative effects of voltage and …

Mechanochemical effects of adsorbates at nanoelectromechanical switch contacts

F Yang, J Yang, Y Qi, MP De Boer… - … applied materials & …, 2019 - ACS Publications
Herein, classical molecular dynamics simulations are used to examine nanoscale adsorbate
reactions during the cyclic opening and closing of nanoelectromechanical system (NEMS) …

Valence band control of metal silicide films via stoichiometry

F Streller, Y Qi, J Yang, F Mangolini… - The Journal of …, 2016 - ACS Publications
The unique electronic and mechanical properties of metal silicide films render them
interesting for advanced materials in plasmonic devices, batteries, field-emitters …

Lemonade from lemons: Harnessing device wearout to create limited-use security architectures

Z Deng, A Feldman, SA Kurtz, FT Chong - ACM SIGARCH Computer …, 2017 - dl.acm.org
Most architectures are designed to mitigate the usually undesirable phenomenon of device
wearout. We take a contrarian view and harness this phenomenon to create hardware …