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Direct nanoimprinting provides a simple and high-throughput route for producing uniform nanopatterns at great precision and at low costs. However, applying this technique to crystalline metals has been considered as impossible due to…

Mesoscale and Nanoscale Physics · Physics 2019-08-07 Ze Liu

Functional properties of nanomaterials strongly depend on their surface atomic structure, but they often become largely different from their bulk structure, exhibiting surface reconstructions and relaxations. However, most of the surface…

Materials Science · Physics 2021-10-01 Juhyeok Lee , Chaehwa Jeong , Yongsoo Yang

We report on an ion-optical system that serves as a microscope for ultracold ground state and Rydberg atoms. The system is designed to achieve a magnification of up to 1000 and a spatial resolution in the 100 nm range, thereby surpassing…

Atomic Physics · Physics 2017-07-17 Markus Stecker , Hannah Schefzyk , József Fortágh , Andreas Günther

Two-dimensional heterostructures with layers of slightly different lattice vectors exhibit a new periodic structure known as moire lattices. Moire lattice formation provides a powerful new way to engineer the electronic structure of…

Optical metasurfaces, consisting of subwavelength-scale meta-atom arrays, hold great promise to overcome fundamental limitations of conventional optics. Scalable nanomanufacturing of metasurfaces with high uniformity and reproducibility is…

Optics · Physics 2023-12-25 Shinhyuk Choi , Jiawei Zuo , Nabasindhu Das Yu Yao , Chao Wang

The advancement of liquid phase electron beam induced deposition has enabled an effective direct-write approach for functional nanostructure synthesis with the possibility of three-dimensional control of morphology. For formation of a…

Atomic and Molecular Clusters · Physics 2024-03-12 Auwais Ahmed , Peter A. Kottke , Andrei G. Fedorov

We report on the development of Electron Holographic Tomography towards a versatile potential measurement technique, overcoming several limitations, such as a limited tilt range, previously hampering a reproducible and accurate…

Materials Science · Physics 2015-06-22 A. Lubk , D. Wolf , P. Prete , N. Lovergine , T. Niermann , S. Sturm , H. Lichte

Atom probe tomography is often introduced as providing "atomic-scale" mapping of the composition of materials and as such is often exploited to analyse atomic neighbourhoods within a material. Yet quantifying the actual spatial performance…

We propose to integrate dark-state based localization techniques into a neutral atom quantum computing architecture and numerically investigate two specific schemes. The first scheme implements state-selective projective measurement by…

Quantum Physics · Physics 2023-07-11 U. Saglam , T. G. Walker , M. Saffman , D. D. Yavuz

High-resolution patterning of periodic structures over large areas has several applications in science and technology. One such method, based on the long-known Talbot effect observed with diffraction gratings, is achromatic Talbot…

Applied Physics · Physics 2023-05-03 Dimitrios Kazazis , Li-Ting Tseng , Yasin Ekinci

We present a review on the developments in the photoemission spectrometer with a vacuum ultraviolet laser at Institute for Solid State Physics at the University of Tokyo. The advantages of high energy resolution, high cooling ability, and…

Superconductivity · Physics 2016-03-02 Takahiro Shimojima , Kozo Okazaki , Shik Shin

We demonstrate three-dimensional (3-D) nanoimprint lithography using master samples initially structured by two-photon lithography. Complex geometries like micro prisms, micro parabolic concentrators, micro lenses and other micrometer sized…

Mesoscale and Nanoscale Physics · Physics 2017-02-15 Rebecca Saive , Colton R. Bukowsky , Harry A. Atwater

The ability to resolve detail in the object that is being imaged, named by resolution, is the core parameter of an imaging system. Super-resolution is a class of techniques that can enhance the resolution of an imaging system and even…

Data Structures and Algorithms · Computer Science 2022-10-13 Yaonan Jin , Daogao Liu , Zhao Song

One of the biggest challenges of nanotechnology is the fabrication of nano-objects with perfectly controlled properties. Here we employ a focused laser beam both to characterize and to {\it in-situ} modify single semiconductor structures by…

Materials Science · Physics 2011-11-09 Armando Rastelli , Ata Ulhaq , Suwit Kiravittaya , Lijuan Wang , Artur Zrenner , Oliver G. Schmidt

On the scale of nanometer to femtometer, there have several puzzles, including neutron lifetime, proton charge radius, and deep Dirac level, etc. With the development of high-intensity laser technologies, lasers today can induce extremely…

Nuclear Experiment · Physics 2022-02-11 Changbo Fu , Guoqiang Zhang , Yugang Ma

Recently, it was discovered that microsphere can generate super-resolution focusing beyond diffraction limit. This has led to the development of an exciting super-resolution imaging technique -microsphere nanoscopy- that features a record…

Optics · Physics 2021-08-26 Zengbo Wang

Rapid and reproducible assembly of aligned nanostructures on a wafer-scale is a crucial, yet one of the most challenging tasks in the incorporation of nanowires into integrated circuits. We present the synthesis of a periodic nanochannel…

Muon tomography based on the measurement of multiple scattering of atmospheric cosmic ray muons is a promising technique for detecting and imaging heavily shielded high-Z nuclear materials such as enriched uranium. This technique could…

Instrumentation and Detectors · Physics 2016-11-17 K. Gnanvo , B. Benson , W. Bittner , F. Costa , L. Grasso , M. Hohlmann , J. B. Locke , S. Martoiu , H. Muller , M. Staib , A. Tarazona , J. Toledo

Two-dimensional materials can be combined by placing individual layers on top of each other, so that they are bound only by their van der Waals interaction. The sequence of layers can be chosen arbitrarily, enabling an essentially…

Applied Physics · Physics 2022-03-02 Jonas Haas , Finn Ulrich , Christoph Hofer , Xiao Wang , Kai Braun , Jannik C. Meyer

Biophotonics is an active research area in molecular imaging, genetic diagnosis and prognosis, with direct applicability in precision medicine. However, long-standing challenges of biophotonics are well known due to low signal-to-noise…

Medical Physics · Physics 2017-10-02 Michael C Lun , Wei Zhang , Yue Zhao , Jeffrey Anker , Wenxiang Cong , Ge Wang , Changqing Li