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LaNiO$_3$ (LNO) is an intriguing member of the rare-earth nickelates in exhibiting a metal-insulator transition for a critical film thickness of about 4 unit cells [Son et al., Appl. Phys. Lett. 96, 062114 (2010)]; however, such thin films…

Interface-specific hydrogen- (H-)bonding network of water next to a substrate (including air) directly controls the energy transfer and chemical reaction pathway at many charged aqueous interfaces. Yet, experimental characterization of such…

Soft Condensed Matter · Physics 2023-01-02 Yao Hsiao , Ting-Han Chou , Animesh Patra , Yu-Chieh Wen

The measurement of very low reflection coefficients of anti-reflective coated interfaces has become a key issue for the realization of precision instruments such as the giant interferometers used for the detection of gravitational waves. We…

Optics · Physics 2023-03-22 Michel Lequime , Imran Khan , Myriam Zerrad , Claude Amra

Electrochemical Impedance Spectroscopy (EIS) and Equivalent Circuit Models (ECMs) are widely used to characterize the impedance and estimate parameters of electrochemical systems such as batteries. We use a generic ECM with ten parameters…

Systems and Control · Electrical Eng. & Systems 2024-03-18 Vladimir Sovljanski , Mario Paolone

We develop a generalized theory for the scattering process produced by interface roughness on charge carriers and which is suitable for any semiconductor heterostructure. By exploiting our experimental insights into the three-dimensional…

Mid-infrared (mid-IR) spectroscopy offers unparalleled opportunities in sensing through chemically specific detection of molecular absorption fingerprints. Yet, its practical applications are limited by the weak light-matter interaction in…

Shortwave-infrared(SWIR) spectral information, ranging from 1 {\mu}m to 2.5{\mu}m, overcomes the limitations of traditional color cameras in acquiring scene information. However, conventional SWIR hyperspectral imaging systems face…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Linqiang Li , Jinglei Hao , Yongqiang Zhao , Pan Liu , Haofang Yan , Ziqin Zhang , Seong G. Kong

Laboratory based searches for weakly-interacting slim particles (WISPs) of the light-shining-through-a-wall type (LSW) use visible or near-infrared (NIR) laser light. Low-noise and highly efficient detectors are necessary to improve over…

Instrumentation and Detectors · Physics 2013-10-03 Jan Eike von Seggern

We consider a multiple-input multiple-output (MIMO) channel in the presence of a reconfigurable intelligent surface (RIS). Specifically, our focus is on analyzing the spatial multiplexing gains in line-of-sight and low-scattering MIMO…

Information Theory · Computer Science 2023-01-10 Giulio Bartoli , Andrea Abrardo , Nicolo Decarli , Davide Dardari , Marco Di Renzo

Contemporary Low-Light Image Enhancement (LLIE) techniques have made notable advancements in preserving image details and enhancing contrast, achieving commendable results on specific datasets. Nevertheless, these approaches encounter…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Xiaofeng Liu , Jiaxin Gao , Xin Fan , Risheng Liu

Confined electron systems, such as 2D electron gases (2DEGs), 2D materials, or topological insulators show great technological promise but their susceptibility to defects often results in nanoscale inhomogeneities with unclear origins.…

Mesoscale and Nanoscale Physics · Physics 2023-11-14 Julian Barnett , Konstantin G. Wirth , Richard Hentrich , Yasin C. Durmaz , Marc-André Rose , Felix Gunkel , Thomas Taubner

A reconfigurable intelligent surface (RIS) is a holographic MIMO surface composed of a large number of passive elements that can induce adjustable phase shifts to the impinging waves. By creating virtual line-of-sight (LOS) paths between…

Signal Processing · Electrical Eng. & Systems 2023-04-06 Mehdi Haghshenas , Parisa Ramezani , Maurizio Magarini , Emil Björnson

Auger electron spectroscopy (AES) and electron energy loss spectroscopy (EELS) in a reflection mode are compared as the methods for phase composition investigation of thin film oxide systems by ion profiling. As an example, the Al/Al2O3/Si…

Materials Science · Physics 2007-05-23 V. G. Beshenkov , V. A. Marchenko , V. T. Volkov , A. G. Znamenskii

The interface and electronic structure of thin (~20-74 nm) Co3O4(110) epitaxial films grown by oxygen-assisted molecular beam epitaxy on MgAl2O4(110) single crystal substrates have been investigated by means of real and reciprocal space…

The ion-bombardment induced evolution of intermixing is studied by molecular dynamics simulations and by Auger electron spectroscopy depth profiling analysis (AESD) in Cu/Co multilayer. It has been shown that from AESD we can derive the…

Materials Science · Physics 2007-05-23 M. Menyhárd , P. Süle

Reconfigurable intelligent surfaces, with their large number of antennas, offer an interesting opportunity for high spatial-resolution imaging. In this paper, we propose a novel RIS-aided integrated imaging and communication system that can…

Signal Processing · Electrical Eng. & Systems 2024-01-30 Hao Luo , Ahmed Alkhateeb

Interface-enhanced high-temperature superconductivity in one unit-cell (UC) FeSe films on SrTiO3(001) (STO) substrate has recently attracted much attention in condensed matter physics and material science. By combined in-situ scanning…

Specific Emitter Identification (SEI) provides physical-layer device authentication for wireless communications and Internet of Things (IoT) systems. While deep learning (DL) has significantly advanced SEI performance, label noise severely…

Signal Processing · Electrical Eng. & Systems 2026-05-07 Ruixiang Zhang , Zinan Zhou , Yezhuo Zhang , Guangyu Li , Xuanpeng Li

The deep learning (DL)-based methods of low-level tasks have many advantages over the traditional camera in terms of hardware prospects, error accumulation and imaging effects. Recently, the application of deep learning to replace the image…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Hongyang Chen , Kaisheng Ma

The silicon/silicon dioxide (Si/SiO2) interface plays a crucial role in the performance, cost, and reliability of most modern microelectronic devices, from the basic transistor to flash memory, digital cameras, and solar cells. Today the…

Optics · Physics 2009-11-11 Matthew Borselli , Thomas J. Johnson , Oskar Painter