中文
相关论文

相关论文: Site-specific plan-view TEM lamella preparation of…

200 篇论文

Plan-view transmission electron microscopy (TEM) samples are key to understand the atomic structure and associated properties of materials along their growth orientation, especially for thin films that are stain-engineered onto different…

应用物理 · 物理学 2024-01-08 Supriya Ghosh , Fengdeng Liu , Sreejith Nair , Bharat Jalan , K. Andre Mkhoyan

Electron transparent TEM lamella with unaltered microstructure and chemistry is the prerequisite for successful TEM explorations. Currently, TEM specimen preparation of quantum nanostructures, such as quantum dots (QDs), remains a…

介观与纳米尺度物理 · 物理学 2022-02-09 Hongguang Wang , Vesna Srot , Bernhard Fenk , Gennadii Laskin , Jochen Mannhart , Peter A. van Aken

Transmission Electron Microscopy (TEM) is a powerful tool for imaging material structure and characterizing material chemistry. Recent advances in data collection technology for TEM have enabled high-volume and high-resolution data…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Josh Kacher , Yao Xie , Sven P. Voigt , Shixiang Zhu , Henry Yuchi , Jordan Key , Surya R. Kalidindi

A custom double-lamella method is presented for electrochemically etching tungsten wire for use as tips in scanning tunneling microscopy (STM). For comparison, tips were also manufactured in-house using numerous conventional methods and…

介观与纳米尺度物理 · 物理学 2015-02-06 J. K. Schoelz , P. Xu , S. D. Barber , D. Qi , M. L. Ackerman , G. Basnet , C. T. Cook , P. M. Thibado

Aberration-corrected scanning transmission electron microscopy (STEM) is widely used for atomic-level imaging of materials. To accelerate the discovery of new materials based on atomic-level investigations, the throughput of…

*To be published in Springer Handbook of Surface Science (Springer Verlag) [Preprint]* The capability to display images containing chemical, magnetic and structural information and to perform spectroscopy and diffraction from a {\mu}m-sized…

介观与纳米尺度物理 · 物理学 2018-12-06 Alessandro Sala

Quantitative analysis methods based on the usage of a scanning electron microscope (SEM), such as energy dispersive x-ray spectroscopy, often require specimens to have a flat surface oriented normal to the electron beam. In-situ procedures…

介观与纳米尺度物理 · 物理学 2023-02-15 Clay Klein , Chunfei Li

Layered materials (LMs) are at the centre of an ever increasing research effort due to their potential use in a variety of applications. The presence of imperfections, such as bi- or multilayer areas, holes, grain boundaries, isotropic and…

Scanning transmission electron microscopy (STEM) is now the primary tool for exploring functional materials on the atomic level. Often, features of interest are highly localized in specific regions in the material, such as ferroelectric…

材料科学 · 物理学 2021-08-11 Nicole Creange , Ondrej Dyck , Rama K. Vasudevan , Maxim Ziatdinov , Sergei V. Kalinin

A new material characterization technique is emerging for the transmission electron microscope (TEM). Using electron energy-loss spectroscopy, real space mappings of the underlying electronic transitions in the sample, so called orbital…

材料科学 · 物理学 2023-05-26 Manuel Ederer , Stefan Löffler

Precession of a converged beam during acquisition of a 4D-STEM dataset improves strain, orientation, and phase mapping accuracy by averaging over continuous angles of illumination. Precession experiments usually rely on integrated systems,…

仪器与探测器 · 物理学 2025-10-20 Stephanie M. Ribet , Rohan Dhall , Colin Ophus , Karen C. Bustillo

The transmission electron microscope (TEM) has become an essential tool for innovation in nanoscience, material science, and biology. Despite these instruments being widely used across both industry and academia, academics may hesitate to…

仪器与探测器 · 物理学 2022-12-07 Patrick McBean , Zachary Milne , Arjun Kanthawar , Cameron O'Byrne , Khalid Hattar , Lewys Jones

Atom probe tomography requires needle-shaped specimens with a diameter typically below 100 nm, making them both very fragile and reactive, and defects (notches at grain boundaries or precipitates) are known to affect the yield and data…

Momentum-resolved scanning transmission electron microscopy (MRSTEM) is a powerful phase-contrast technique that can map lateral magnetic and electric fields ranging from the micrometer to the subatomic scale. Resolving fields ranging from…

This paper illustrates an application of machine learning (ML) within a complex system that performs grade estimation. In surface mining, assay measurements taken from production drilling often provide useful information that allows…

地球物理 · 物理学 2021-09-15 Raymond Leung , Mehala Balamurali , Alexander Lowe

We study a machine learning (ML) technique for refining images acquired during in situ observation using liquid-cell transmission electron microscopy (LC-TEM). Our model is constructed using a U-Net architecture and a ResNet encoder. For…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Hiroyasu Katsuno , Yuki Kimura , Tomoya Yamazaki , Ichigaku Takigawa

Scanning Electron Microscopy (SEM) is indispensable in modern materials science, enabling high-resolution imaging across a wide range of structural, chemical, and functional investigations. However, SEM imaging remains constrained by…

Detecting surface anomalies of industrial materials poses a significant challenge within a myriad of industrial manufacturing processes. In recent times, various methodologies have emerged, capitalizing on the advantages of employing a…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Simon Thomine , Hichem Snoussi

The use of machine learning (ML) methods for development of robust and flexible visual inspection system has shown promising. However their performance is highly dependent on the amount and diversity of training data. This is often…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Juraj Fulir , Natascha Jeziorski , Lovro Bosnar , Hans Hagen , Claudia Redenbach , Petra Gospodnetić , Tobias Herrfurth , Marcus Trost , Thomas Gischkat

Here a new microscopic method is proposed to image and characterize very thin samples like few-layer materials, organic molecules, and nanostructures with nanometer or sub-nanometer resolution using electron beams of energies lower than 20…

仪器与探测器 · 物理学 2016-01-06 Ing-Shouh Hwang
‹ 上一页 1 2 3 10 下一页 ›