John Sader

Squeeze-Film Effect on Atomically Thin Resonators in the High-Pressure Limit.

Robin J Dolleman, Debadi Chakraborty, Daniel R Ladiges, Herre SJ van der Zant, John E Sader, Peter G Steeneken

Journal article  |  2021  |  Nano Lett

The resonance frequency of membranes depends on the gas pressure due to the squeeze-film effect, induced by the compression of a t..

Inertial and viscous flywheel sensing of nanoparticles

Georgios Katsikis, Jesse F Collis, Scott M Knudsen, Vincent Agache, John E Sader, Scott R Manalis

Journal article  |  2021  |  NATURE COMMUNICATIONS

Rotational dynamics often challenge physical intuition while enabling unique realizations, from the rotor of a gyroscope that main..

Measurement of Navier Slip on Individual Nanoparticles in Liquid

Jesse F Collis, Selim Olcum, Debadi Chakraborty, Scott R Manalis, John E Sader

Journal article  |  2021  |  NANO LETTERS

The Navier slip condition describes the motion of a liquid relative to a neighboring solid surface, with its characteristic Navier..

Highly Spherical Nanoparticles Probe Gigahertz Viscoelastic Flows of Simple Liquids Without the No-Slip Condition

Brian Uthe, Jesse F Collis, Mahyar Madadi, John E Sader, Matthew Pelton

Journal article  |  2021  |  JOURNAL OF PHYSICAL CHEMISTRY LETTERS

Simple liquids are conventionally described by Newtonian fluid mechanics, based on the assumption that relaxation processes in the..

Viscoelasticity Enhances Nanometer-Scale Slip in Gigahertz-Frequency Liquid Flows

Debadi Chakraborty, Brian Uthe, Edward W Malachosky, Matthew Pelton, John E Sader

Journal article  |  2021  |  JOURNAL OF PHYSICAL CHEMISTRY LETTERS

The interaction between flowing liquids and solid surfaces underpins many physical phenomena and technologies, such as the ability..

Dynamics of an inverted cantilever plate at moderate angle of attack

Cecilia Huertas-Cerdeira, Andres Goza, John E Sader, Tim Colonius, Morteza Gharib

Journal article  |  2021  |  JOURNAL OF FLUID MECHANICS

The dynamics of a cantilever plate clamped at its trailing edge and placed at a moderate angle to a uniform flow are investigated ..

The impulsive swirl of a gas

John Elie Sader

Journal article  |  2021  |  JOURNAL OF FLUID MECHANICS

The motion of a sphere in a viscous gas has been studied since the time of Sir George Gabriel Stokes who explored linear, steady a..

Acoustic Vibrations and Energy Dissipation Mechanisms for Lithographically Fabricated Plasmonic Nanostructures Revealed by Single-Particle Transient Extinction Spectroscopy

Man-Nung Su, Behnaz Ostovar, Niklas Gross, John E Sader, Wei-Shun Chang, Stephan Link

Journal article  |  2021  |  JOURNAL OF PHYSICAL CHEMISTRY C

Acoustic vibrations in plasmonic nanostructures provide deep insight into mechanical properties at the nanoscale for potential app..

On the starting vortex generated by a translating and rotating flat plate

DI Pullin, John E Sader

Journal article  |  2021  |  JOURNAL OF FLUID MECHANICS

We consider the trailing-edge vortex produced in an inviscid fluid by the start-up motion of a two-dimensional flat plate. A gener..

The automation of robust interatomic-force measurements

John Elie Sader

Journal article  |  2020  |  Review of Scientific Instruments

Interatomic-force measurements are regularly performed using frequency-modulation atomic force microscopy. This requires conversio..