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The near field scanning optical microscopy (NSOM) is not only a tool for imaging of sub-diffraction limited objects but also a prominent characteristic tool for understanding the intrinsic properties of the nanostructures. In order to…

Materials Science · Physics 2016-09-21 A. K. Sivadasan , Kishore K. Madapu , Sandip Dhara

Knowledge of surface forces is the key to understanding a large number of processes in fields ranging from physics to material science and biology. The most common method to study surfaces is dynamic atomic force microscopy (AFM). Dynamic…

Mesoscale and Nanoscale Physics · Physics 2013-02-06 Daniel Platz , Daniel Forchheimer , Erik A. Tholen , David B. Haviland

IR spectroscopy has been widely used for chemical identification and quantitative analysis of reactions occurring in a specific time and space domains by measuring an average signal of the entire system1. Achieving IR measurements with…

Nanomechanical spectroscopy (NMS) is a recently developed approach to determine optical absorption spectra of nanoscale materials via mechanical measurements. It is based on measuring changes in the resonance frequency of a membrane…

Polymeric materials are widely used in industries ranging from automotive to biomedical. Their mechanical properties play a crucial role in their application and function and arise from the nanoscale structures and interactions of their…

Mesoscale and Nanoscale Physics · Physics 2023-08-01 Alba R. Piacenti , Casey Adam , Nicholas Hawkins , Ryan Wagner , Jacob Seifert , Yukinori Taniguchi , Roger Proksch , Sonia Contera

Atomic-scale characteristics of surfaces dictate the principles governing numerous scientific phenomena ranging from catalysis to friction. Despite this fact, our ability to visualize and alter surfaces on the atomic scale is severely…

Applied Physics · Physics 2021-10-06 Saima A. Sumaiya , Mehmet Z. Baykara

Atomic force microscopy is based on tip sample interaction, which is determined by the properties of tip and sample. Unfortunately, in particular in ambient conditions the tip as well as the sample are contaminated, and it is not clear how…

Mesoscale and Nanoscale Physics · Physics 2017-12-19 J. Sánchez , L. Almonte , J. Colchero

In recent times the spin angular momentum (SAM) and orbital angular momentum (OAM) of light have gained prominence because of their significance in optical communication systems, micromanipulation, sub-wavelength position sensing. To this…

Optics · Physics 2022-03-24 Diptabrata Paul , Deepak K Sharma , G V Pavan Kumar

Vision Foundation Models (VFMs) extract spatially downsampled representations, posing challenges for pixel-level tasks. Existing upsampling approaches face a fundamental trade-off: classical filters are fast and broadly applicable but rely…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Loick Chambon , Paul Couairon , Eloi Zablocki , Alexandre Boulch , Nicolas Thome , Matthieu Cord

Flow-Imaging Microscopy (FIM) is commonly used in both academia and industry to characterize subvisible particles (those $\le 25 \mu m$ in size) in protein therapeutics. Pharmaceutical companies are required to record vast volumes of FIM…

Quantitative Methods · Quantitative Biology 2017-09-04 Christopher P. Calderon , Austin L. Daniels , Theodore W. Randolph

Scanning transmission electron microscopy (STEM) is a powerful tool to reveal the morphologies and structures of materials, thereby attracting intensive interests from the scientific and industrial communities. The outstanding spatial…

Image and Video Processing · Electrical Eng. & Systems 2024-09-26 Hanlei Zhang , Jincheng Bai , Xiabo Chen , Can Li , Chuanjian Zhong , Jiye Fang , Guangwen Zhou

Frequency modulation (FM) Atomic Force Microscopy (AFM) with metal tips functionalized with a CO molecule at the tip apex has provided access to the internal structure of molecules with totally unprecedented resolution. We propose a model…

Materials Science · Physics 2022-05-03 Jaime Carracedo-Cosme , Rubén Pérez

Recently, fluorescence-based optical techniques have emerged as a powerful tool to probe information in the mammalian brain. However, tissue heterogeneities prevent clear imaging of deep neuron bodies due to light scattering. While several…

We analyze how a probing particle modifies the infrared electromagnetic near field of a sample. The particle, described by electric and magnetic polarizabilities, represents the tip of an apertureless scanning optical near-field microscope…

Atomic force spectroscopy and microscopy (AFM) are invaluable tools to characterize nanostructures and biological systems. Most experiments, including state-of-the-art images of molecular bonds, are achieved by driving probes at their…

The infrared beamline at BESSY II storage ring was upgraded recently to extend capabilities of infrared microscopy. The end-stations available at the beamline are now facilitating improved characterization of molecules and materials at…

Optics · Physics 2024-05-09 Alexander Veber , Ljiljana Puskar , Janina Kneipp , Ulrich Schade

Spiking neural networks (SNNs) can be used in low-power and embedded systems (such as emerging neuromorphic chips) due to their event-based nature. Also, they have the advantage of low computation cost in contrast to conventional artificial…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Ali Samadzadeh , Fatemeh Sadat Tabatabaei Far , Ali Javadi , Ahmad Nickabadi , Morteza Haghir Chehreghani

It has been shown that electron transitions, as measured in a scanning tunnelling microscope (STM), are related to chemical interactions in a tunnelling barrier. Here, we show that the shape and apparent height of subatomic features in an…

Materials Science · Physics 2009-11-11 Linda Zotti , Werner A. Hofer , Franz J. Giessibl

The ambition of brain-inspired Spiking Neural Networks (SNNs) is to become a low-power alternative to traditional Artificial Neural Networks (ANNs). This work addresses two major challenges in realizing this vision: the performance gap…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Man Yao , Xuerui Qiu , Tianxiang Hu , Jiakui Hu , Yuhong Chou , Keyu Tian , Jianxing Liao , Luziwei Leng , Bo Xu , Guoqi Li

The in situ combination of Scanning Probe Microscopies (SPM) with X-ray microbeams adds a variety of new possibilities to the panoply of synchrotron radiation techniques. In this paper we describe an optics-free AFM/STM that can be directly…

Materials Science · Physics 2009-01-09 Mario Rodrigues , Olivier Dhez , Simon Le Denmat , Joel Chevrier , Roberto Felici , Fabio Comin