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Manipulation of metal nanoparticles using atomic force microscope is a promising new technique for probing tribological properties at the nanoscale. In spite of some advancements in experimental investigations, there is no unambiguous…

介观与纳米尺度物理 · 物理学 2010-11-25 Alexei V. Khomenko , Nikolay V. Prodanov

Magnetic force microscopy (MFM) allows one to image the domain structure of ferromagnetic samples by probing the dipole forces between a magnetic probe tip and a magnetic sample. The magnetic domain structure of the sample depends on the…

仪器与探测器 · 物理学 2014-02-24 M. Schneiderbauer , F. J. Giessibl

Atomic force microscopy (AFM) is an analytical surface characterization tool which can reveal a sample's topography with high spatial resolution while simultaneously probing tip-sample interactions. Local measurement of chemical properties…

应用物理 · 物理学 2018-09-06 Omur E. Dagdeviren , Yoichi Miyahara , Aaron Mascaro , Peter Grutter

We review the major achievements of the dynamical reduction program, showing why and how it provides a unified, consistent description of physical phenomena, from the microscopic quantum domain to the macroscopic classical one. We discuss…

量子物理 · 物理学 2008-11-26 A. Bassi

We report a new experimental technique for Kelvin probe force microscopy (KPFM) using the dissipation signal of frequency modulation atomic force microscopy for bias voltage feedback. It features a simple implementation and faster scanning…

介观与纳米尺度物理 · 物理学 2015-11-24 Yoichi Miyahara , Jessica Topple , Zeno Schumacher , Peter Grutter

Phononic properties are commonly studied by calculating force constants using the density functional theory (DFT) simulations. Although DFT simulations offer accurate estimations of phonon dispersion relations or thermal properties, but for…

Comprehensive characterization of nanomaterials for medical applications is a challenging and complex task due to the multitude of parameters which need to be taken into consideration in a broad range of conditions. Routine methods such as…

We propose to use the damping signal of an oscillating cantilever in dynamic atomic force microscopy as a noninvasive tool to study the vibrational structure of the substrate. We present atomically resolved maps of damping in carbon…

介观与纳米尺度物理 · 物理学 2009-05-14 Makoto Ashino , Roland Wiesendanger , Andrei N. Khlobystov , Savas Berber , David Tomanek

The origin of friction force is a very old problem in physics, which goes back to Leonardo da Vinci or even older times. Extremely important from a practical point of view, but with no satisfactory explanation yet. Many models have been…

介观与纳米尺度物理 · 物理学 2018-10-31 Maria Luján Iglesias , Sebastián Gonçalves

We have studied the dynamics of quartz tuning fork resonators used in atomic force microscopy taking into account mechanical energy dissipation through the attachment of the tuning fork base. We find that the tuning fork resonator quality…

介观与纳米尺度物理 · 物理学 2011-02-22 Andres Castellanos-Gomez , Nicolas Agraït , Gabino Rubio-Bollinger

We deal with the photoacoustic imaging modality using dielectric nanoparticles as contrast agents. Exciting the heterogeneous tissue, localized in a bounded domain $\Omega$, with an electromagnetic wave, at a given incident frequency,…

偏微分方程分析 · 数学 2020-03-09 Ahcene Ghandriche , Mourad Sini

Opto-mechano-fluidic resonators (OMFRs) are a new platform for high-throughput sensing of the mechanical properties of freely flowing microparticles in arbitrary media. Experimental extraction of OMFR mode shapes, especially the acoustic…

光学 · 物理学 2018-03-14 Jeewon Suh , Kewen Han , Gaurav Bahl

Faceted shapes, such as polyhedra, are commonly found in systems of nanoscale, colloidal, and granular particles. Many interesting physical phenomena, like crystal nucleation and growth, vacancy motion, and glassy dynamics are challenging…

计算物理 · 物理学 2017-03-08 Matthew Spellings , Ryan L. Marson , Joshua A. Anderson , Sharon C. Glotzer

Shape is an important feature of physical systems although very seldom it is addressed in the framework of a quantitative description approach. In this paper we propose to interpret the shape of things as a physical manifestation of the…

适应与自组织系统 · 物理学 2012-02-27 L. Gammaitoni

We review the development of ultrafast electron nanocrystallography as a method for investigating structural dynamics for nanoscale materials and interfaces. Its sensitivity and resolution are demonstrated in the studies of surface melting…

介观与纳米尺度物理 · 物理学 2015-05-14 Chong-Yu Ruan , Yoshie Murooka , Ramani K. Raman , Ryan A. Murdick , Richard J. Worhatch , Aric Pell

In this review we present an overview of the current atom probe tomography spatial data reconstruction paradigm, and explore some of potential routes to improve the current methodology in order to yield a more accurate representation of…

材料科学 · 物理学 2015-10-13 David J. Larson , Baptiste Gault , Brian P. Geiser , Frederic De Geuser , F. Vurpillot

Physics of self-propelled objects at the nanoscale is a rapidly developing research field where recent experiments focused on motion of individual catalytic enzymes. Contrary to the experimental advancements, theoretical understanding of…

软凝聚态物质 · 物理学 2022-08-29 Artem Ryabov , Mykola Tasinkevych

Conversion of electric current into heat involves microscopic processes that operate on nanometer length-scales and release minute amounts of power. While central to our understanding of the electrical properties of materials, individual…

Fabrication of nanostructured metasurfaces poses a significant technological and fundamental challenge. Despite developing novel systems that support reversible elongation and distortion, their nanoscale patterning and control of optical…

Atomic-resolution imaging with scanning transmission electron microscopy is a powerful tool for characterizing the nanoscale structure of materials, in particular features such as defects, local strains, and symmetry-breaking distortions.…