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Atomic force microscopy (AFM) is a well-known tool for studying surface roughness and to collect depth information about features on the top atomic layer of samples. By combining secondary ion mass spectroscopy (SIMS) with focused ion beam…

Materials Science · Physics 2022-10-18 Lex Pillatsch , Szilvia Kalácska , Xavier Maeder , Johann Michler

Epitaxial films of graphene on SiC(0001) are interesting from a basic physics as well as applications-oriented point of view. Here we study the emerging morphology of in-vacuo prepared graphene films using low energy electron microscopy…

The scanning electron microscope (SEM) produces an image of a sample by scanning it with a focused beam of electrons. The electrons interact with the atoms in the sample, which emit secondary electrons that contain information about the…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Shahar Tsiper , Or Dicker , Idan Kaizerman , Zeev Zohar , Mordechai Segev , Yonina C. Eldar

Aberration corrected scanning transmission electron microscopes (STEM) enable to determine local strain fields, composition and bonding states at atomic resolution. The precision to locate atomic columns is often obstructed by scan…

Applied Physics · Physics 2019-01-16 Benjamin Berkels , Christian H. Liebscher

Microelectromechanical systems (MEMS) technologies are developing rapidly with increasing study of the design, fabrication and commercialization of microscale systems and devices. Accurate mechanical properties are important for successful…

Other Computer Science · Computer Science 2007-11-29 Ming-Tzer Lin , Chi-Jia Tong , Chung-Hsun Chiang

The desire to image specimens in liquids has led to the development of open-cell and closed-cell techniques in transmission electron microscopy (TEM). The closed-cell approach is currently more common in TEM and has yielded new insights…

Applied Physics · Physics 2023-08-22 Barnaby D. A. Levin , Diane Haiber , Qianlang Liu , Peter A. Crozier

Layered materials (LMs) such as graphene or MoS$_2$ have recently attracted a great deal of interest. These materials offer unique functionalities due to their structural anisotropy characterized by weak van der Waals bonds along the…

Applied Physics · Physics 2019-12-13 M. O. Cichocka , M. Bolhuis , S. E. van Heijst , S. Conesa-Boj

Transmission electron microscopy (TEM) is a potent technique for the determination of three-dimensional atomic scale structure of samples in structural biology and materials science. In structural biology, three-dimensional structures of…

Element segmentation is a key step in nondestructive testing of Printed Circuit Boards (PCB) based on Computed Tomography (CT) technology. In recent years, the rapid development of self-supervised pretraining technology can obtain general…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Chen Chen , Kai Qiao , Jie Yang , Jian Chen , Bin Yan

We demonstrate that a near-field microwave microscope based on a transmission line resonator allows imaging in a substantially wide range of frequencies, so that the microscope properties approach those of a spatially-resolved impedance…

Materials Science · Physics 2007-05-23 Alexander Tselev , Steven M. Anlage , Zhengkun Ma , John Melngailis

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…

Electrochemical strains are a ubiquitous feature of solid state ionic devices ranging from ion batteries and fuel cells to electroresistive and memristive memories. Recently, we proposed a scanning probe microscopy (SPM) based approach,…

Materials Science · Physics 2015-06-03 A. N. Morozovska , E. A. Eliseev , S. V. Kalinin

This paper describes a method to determine the complex permittivity of a thin dielectric film from finite element analysis and microstrip line measurements. Two transmission line equivalent circuit models were used for the cases of an…

Applied Physics · Physics 2019-08-02 Liang Wang , Guangrui , Xia , Hongyu Yu

Recent advances in scanning transmission electron microscopy (STEM) instrumentation have made it possible to focus electron beams with sub-atomic precision and to identify the chemical structure of materials at the level of individual…

Materials Science · Physics 2017-03-08 T. Susi , J. C. Meyer , J. Kotakoski

High energy electron beams can now be routinely focused to 1-2 {\AA} and offer the ability to obtain vibrational information from materials using monochromated electron energy-loss spectroscopy (EELS) in a scanning transmission electron…

Materials Science · Physics 2021-07-13 Kartik Venkatraman , Peter A. Crozier

Despite decades of research, the ultimate goal of nanotechnology--top-down manipulation of individual atoms--has been directly achieved with only one technique: scanning probe microscopy. In this Review, we demonstrate that scanning…

The use of electron mirrors in aberration correction and surface-sensitive microscopy techniques such as low-energy electron microscopy has been established. However, in this work, by implementing an easy to construct, fully electrostatic…

The progress of designing organic semiconductors is extensively dependent on the quality of prepared organic molecular assemblies, since the charge transport mechanism is strongly efficient in highly ordered crystals compared to amorphous…

Materials Science · Physics 2025-10-07 Moha Naeimi , Katharina Engster , Waqas Pervez , Ingo Barke , Sylvia Speller

The construction and first operation of the slow positron beam built at the Hebrew University is reported here. The beam follows a traditional design, using a 22Na source, a Tungsten moderator, and a target cell equipped with a load-lock…

Instrumentation and Detectors · Physics 2020-07-14 P. Or , G. Erlichman , D. Cohen , I. Sabo-Napadesky , E. Gordon , S. Cohen , O. Presler , E. O. Cohen , E. Piasetzky , H. Steinberg , S. May-Tal Beck , Guy Ron

We present a segregrated strain model that describes the thickness-dependent dielectric properties of ferroelectric films. Using a phenomenological Landau approach, we present results for two specific materials, making comparison with…

Materials Science · Physics 2007-10-08 L. Palova , P. Chandra , K. M. Rabe