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The nanoparticle size and distribution information in the SEM images of silicon crystals are generally counted by manual methods. The realization of automatic machine recognition is significant in materials science. This paper proposed a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Ruiling Xiao , Jiayang Niu

Developing colloidal plasmonic nanomaterials with high carrier density that show optical resonances and photochemical activity extending from the visible to the mid-infrared (MIR) ranges remains a challenging pursuit. Here, we report the…

Optical systems capable of generating fields with sub-wavelength spatial features have become standard in science and engineering research and industry. Pertinent examples include atom- and ion-based quantum computers and optical…

Atomic Physics · Physics 2025-11-18 Nikhil Kotibhaskar , Sainath Motlakunta , Anthony Vogliano , Lewis Hahn , Rajibul Islam

Quantum control of individual spins in condensed matter systems is an emerging field with wide-ranging applications in spintronics, quantum computation, and sensitive magnetometry. Recent experiments have demonstrated the ability to address…

Mesoscale and Nanoscale Physics · Physics 2011-09-09 M. S. Grinolds , P. Maletinsky , S. Hong , M. D. Lukin , R. L Walsworth , A. Yacoby

A new method for detecting the magnetic resonance of electronic spins at low temperature is demonstrated. It consists in measuring the signal emitted by the spins with a superconducting qubit that acts as a single-microwave-photon detector,…

Plasmonic nanoparticles from unconventional materials can improve or even bring some novel functionalities into the disciplines inherently related to plasmonics such as photochemistry or (spectro)electrochemistry. They can, for example,…

Scattering scanning near-field optical microscopy enables optical imaging and characterization of plasmonic devices with nanometer-scale resolution well below the diffraction limit. This technique enables developers to probe and understand…

The association of scanning transmission electron microscopy (STEM) and the detection of a diffraction pattern at each probe position (so-called 4D-STEM) represents one of the most promising approaches to analyze structural properties of…

Applied Physics · Physics 2023-01-26 Leonardo Corrêa , Eduardo Ortega , Arturo Ponce , Mônica Cotta , Daniel Ugarte

Plasmonic metamaterials support the localized surface plasmon resonance (LSPR), which is sensitive to the change in the dielectric environment and highly desirable for ultrasensitive biochemical sensing. In this work, a novel design of…

Optics · Physics 2017-11-15 Shuyuan Xiao , Tao Wang , Yuebo Liu , Xu Han , Xicheng Yan

Positron emission tomography (PET) suffers from severe resolution limitations which limit its quantitative accuracy. In this paper, we present a super-resolution (SR) imaging technique for PET based on convolutional neural networks (CNNs).…

Image and Video Processing · Electrical Eng. & Systems 2021-07-29 Tzu-An Song , Samadrita Roy Chowdhury , Fan Yang , Joyita Dutta

Optical hyperspectral imaging based on absorption and scattering of photons at the visible and adjacent frequencies denotes one of the most informative and inclusive characterization methods in material research. Unfortunately, restricted…

Scanning transmission X-ray microscopy (STXM) is a nanoscale imaging technique that can utilize several powerful contrast mechanisms for the quantitative mapping of chemical and physical materials properties. Spatial resolutions down to…

Instrumentation and Detectors · Physics 2026-05-27 Simone Finizio , Benjamin Watts , Benedikt Rösner , Tim A. Butcher , Sebastian Wintz , Markus Weigand , Jörg Raabe

Directly imaging all atoms constituting a material and, maybe more importantly, crystalline defects that dictate materials' properties, remains a formidable challenge. Here, we propose a new approach to chemistry-sensitive field-ion…

We demonstrate an interface-sensitive NMR in a semiconducting nanostructure, where an NMR signal from the minute heterojunction region of a model heterojunction structure (In$_{0.48}$Ga$_{0.52}$P/GaAs) is detected by using nuclear…

Mesoscale and Nanoscale Physics · Physics 2017-12-13 Atsushi Goto , Kenjiro Hashi , Shinobu Ohki , Tadashi Shimizu

Nanoimprint lithography (NIL) is an attractive nonconventional lithographic technique in the fabrication of superconducting nanowires for superconducting nanowire single-photon detectors (SNSPDs) with large effective detection areas or…

Superconductivity · Physics 2014-03-20 Lu Zhao , Yirong Jin , Jie Li , Hui Deng , Hekang Li , Keqiang Huang , Limin Cui , Dongning Zheng

Superparamagnetic iron-oxide nanoparticles (SPIONs) are promising probes for biomedical imaging, but the heterogeneity of their magnetic properties is difficult to characterize with existing methods. Here, we perform widefield imaging of…

We previously developed an automatic track scanning system which enables the detection of large-angle nuclear fragments in the nuclear emulsion films of the OPERA experiment. As a next step, we have investigated this system's track…

Instrumentation and Detectors · Physics 2015-06-23 T. Fukuda , S. Fukunaga , H. Ishida , T. Matsumoto , T. Matsuo , S. Mikado , S. Nishimura , S. Ogawa , H. Shibuya , J. Sudou , A. Ariga , S. Tufanli

We discuss the Surface-Plasmon-Resonance (SPR) technique based on Fourier -Transform - InfraRed (FTIR) spectrometry. We explore the potential of the infrared surface plasmon resonance technique for biological studies in aqueous solutions…

Biological Physics · Physics 2010-02-03 M. Golosovsky , V. Lirtsman , V. Yashunsky , D. Davidov , B. Aroeti

Biological tissue imaging by secondary ion mass spectrometry has seen rapid development with the commercial availability of polyatomic primary ion sources. Endogenous lipids and other small bio-molecules can now be routinely mapped on the…

Instrumentation and Detectors · Physics 2013-06-05 Donald F. Smith , Andras Kiss , Franklin E. Leach , Errol W. Robinson , Ljiljana Paša-Tolić , Ron M. A. Heeren

Various metals (Ag, Al, Au, Bi, Cu), polymers (polyvinylpyrrolidone, polystyrene), and electrically conductive polymers (polyacetylene, polyaniline, poly(3,4-ethylenedioxythiophene) polystyrene sulfonate) were subjected to a particle swarm…

Optics · Physics 2017-02-23 Casey Kneale , Karl S. Booksh
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