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Acoustic vibrations of nanoparticles made of materials with anisotropic elasticity and nanoparticles with non-spherical shapes are theoretically investigated using a homogeneous continuum model. Cubic, hexagonal and tetragonal symmetries of…

Mesoscale and Nanoscale Physics · Physics 2009-06-02 Lucien Saviot , Daniel B. Murray

The transport phenomenon(directional movement) of self-propelled Brownian particles moving in a smooth corrugated confined channel is investigated. It is found that large $x$ direction noise intensity should reduce particles directional…

Soft Condensed Matter · Physics 2019-10-23 Bing Wang , Hao Chen , Yong Wu

The directional transport of finite size self-propelled Brownian particles confined in a 2D zigzag channel with colored noise is investigated. The noises(noise parallel to x-axis and y-axis), the asymmetry parameter {\Delta}k, the ratio…

Statistical Mechanics · Physics 2021-02-03 Bing Wang , Yong Wu , Xiaoxiao Zhang , Hao Chen

Coagulation growth kinetics of nanoparticles in plasma is affected by inter-particle electrostatic forces due to charging phenomenon. In stationary plasmas, unipolar charging of particles results in retardation of particles growth and may…

Plasma Physics · Physics 2019-06-26 V. Vekselman , M. N. Shneider , Y. Raitses

The paper considers an effect of intensive ultrasound on the suspension of soot microparticles and nanoparticles in the inert gas, resulting in the coagulation of relatively large soot particles and leading to the improvement of the…

Plasma Physics · Physics 2016-01-06 M. N. Shneider

We numerically simulate the transport of elliptic Janus particles along narrow two-dimensional channels with reflecting walls. The self-propulsion velocity of the particle is oriented along either their major (prolate) or minor axis…

Biological Physics · Physics 2014-06-24 Pulak K. Ghosh , Peter Hanggi , Fabio Marchesoni , Franco Nori

The new insights into the atomic structure empower one to develop materials by a bottom-up approach. The study of colloids is profitable in many ways. Considering the research in this field is beneficial. Developing tiny metallic particles…

Materials Science · Physics 2026-05-20 Mubarak Ali

In nanostructures phonon transport behaviour is distinctly different to transport in bulk materials such that materials with ultra low thermal conductivities and enhanced thermoelectric performance can be realized. Low thermal…

Materials Science · Physics 2019-03-01 Dhritiman Chakraborty , Samuel Foster , Neophytos Neophytou

Direct numerical simulations (DNS) of particle-laden turbulent flow in straight, mildly curved and strongly bent pipes are performed in which the solid phase is modelled as small heavy spherical particles. A total of seven populations of…

Fluid Dynamics · Physics 2016-04-20 Azad Noorani , Gaetano Sardina , Luca Brandt , Philipp Schlatter

Charged colloidal particles propel themselves through asymmetric fluxes of chemically generated ions on their surface. We show that asymmetry in the surface charge distribution introduces a new mode of self-phoretic motion for chemically…

Soft Condensed Matter · Physics 2023-05-03 Ahis Shrestha , Monica Olvera de la Cruz

Biosensing with ferromagnet-based magnetoresistive devices has been dominated by electrical detection of particle-induced changes to the devices' static magnetic configuration. There are however potential advantages to be gained from using…

Fundamental understanding of ionic transport at the nanoscale is essential for developing biosensors based on nanopore technology and new generation high-performance nanofiltration membranes for separation and purification applications. We…

The acceleration of an spheroidal metal nanoparticle in an irradiation field with a frequency close to the surface plasmon vibration has been considered. Under the action of radiation pressure, the polarizability for nonspherical particle…

Optics · Physics 2021-12-16 Nicolas I. Grigorchuk

The precise arrangement of microscopic objects is critical to the development of functional materials and ornately patterned surfaces. Here, we present an acoustics-based method for the rapid arrangement of microscopic particles into…

Soft Condensed Matter · Physics 2016-02-10 Crystal E. Owens , C. Wyatt Shields , Daniela F. Cruz , Patrick Charbonneau , Gabriel P. Lopez

The propagation of the transverse-longitudinal acoustic pulses through a strained cubic crystal containing the resonant paramagnetic impurities with effective spin S=1 is investigated. It is supposed that the pulses propagate under…

Pattern Formation and Solitons · Physics 2009-11-11 S. V. Sazonov , N. V. Ustinov

The evolution of acoustic waves can be evaluated in two ways: either as a temporal, or a spatial propagation. Propagating in space provides the considerable advantage of being able to handle dispersion and propagation across interfaces with…

Classical Physics · Physics 2018-06-04 Paul Kinsler

Depinning transitions occur when a threshold force must be applied to drive an otherwise immobile system. For the depinning of colloidal particles from a corrugated landscape, we show how active noise due to self-propulsion impacts the…

Soft Condensed Matter · Physics 2024-12-10 Arthur V. Straube , Felix Höfling

Microorganisms are able to overcome the thermal randomness of their surroundings by harvesting energy to navigate in viscous fluid environments. In a similar manner, synthetic colloidal microswimmers are capable of mimicking complex…

The propulsion direction of active particles is a key feature in self-propelled systems and depends on the propulsion mechanism and environmental conditions. Here, using 3D micro-printed catalytically active particles, we experimentally…

Soft Condensed Matter · Physics 2025-07-28 Solenn Riedel , Mengshi Wei , Daniela J. Kraft

Conventional microparticle transports by light or sound are realized along a straight line. Recently, this limit has been overcome in optics as the growing up of the self-accelerating Airy beams, which are featured by many peculiar…

Optics · Physics 2014-11-19 Yixiang Li , Chunyin Qiu , Shengjun Xu , Manzhu Ke , Zhengyou Liu