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We study the low-frequency noise (LFN), i.e. flicker noise, also referred to as 1/f noise, in 2D networks of molecularly functionalized gold nanoparticles (NMN: nanoparticle-molecule network). We examine the noise behaviors of the NMN…

Mesoscale and Nanoscale Physics · Physics 2024-12-02 Cécile Huez , David Guérin , Florence Volatron , Anna Proust , Dominique Vuillaume

We present the theoretical analysis of steady state regimes and low-frequency noises in quasi-ballistic FETs. The noise analysis is based on the Langevin approach, which accounts for the microscopic sources of fluctuations originated from…

Mesoscale and Nanoscale Physics · Physics 2022-11-22 Mykola Yelisieiev , Vyacheslav Kochelap

A model, called the linear transform network (LTN), is proposed to analyze the compression and estimation of correlated signals transmitted over directed acyclic graphs (DAGs). An LTN is a DAG network with multiple source and receiver…

Information Theory · Computer Science 2015-04-15 Naveen Goela , Michael Gastpar

The maturity of the chemical vapor deposition graphene-based device processing has increased from chip level demonstrations to wafer-scale fabrication in the past few years. Due to this wafer-scale, electrical characterization and analysis…

Mesoscale and Nanoscale Physics · Physics 2026-02-20 Anton Murros , Miika Soikkeli , Anni Virta , Arantxa Maestre , Leire Morillo , Alba Centeno , Amaia Zurutuza , Olli-Pekka Kilpi

This letter investigates low frequency 1/ f noise in hBN encapsulated graphene device in a dual gated geometry. The noise study is performed as a function of top gate carrier density (nT G) at different back gate densities (nBG). The noise…

Mesoscale and Nanoscale Physics · Physics 2023-09-22 Aaryan Mehra , Roshan Jesus Mathew , Chandan Kumar

We investigate the 1/f noise of the Five-hundred-meter Aperture Spherical Telescope (FAST) receiver system using drift-scan data from an intensity mapping pilot survey. All the 19 beams have 1/f fluctuations with similar structures. Both…

Instrumentation and Methods for Astrophysics · Physics 2021-10-13 Wenkai Hu , Yichao Li , Yougang Wang , Fengquan Wu , Bo Zhang , Ming Zhu , Shifan Zuo , Guilaine Lagache , Yinzhe Ma , Mario G. Santos , Xuelei Chen

Intelligent fault diagnosis has been increasingly improved with the evolution of deep learning (DL) approaches. Recently, the emerging graph neural networks (GNNs) have also been introduced in the field of fault diagnosis with the goal to…

Signal Processing · Electrical Eng. & Systems 2023-03-28 Tianfu Li , Chuang Sun , Olga Fink , Yuangui Yang , Xuefeng Chen , Ruqiang Yan

We develop an analytical device model for graphene bilayer field-effect transistors (GBL-FETs) with the back and top gates. The model is based on the Boltzmann equation for the electron transport and the Poisson equation in the weak…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 V. Ryzhii , M. Ryzhii , A. Satou , T. Otsuji , V. Mitin

A major challenge in computed tomography (CT) is how to minimize patient radiation exposure without compromising image quality and diagnostic performance. The use of deep convolutional (Conv) neural networks for noise reduction in Low-Dose…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Chenyu You , Linfeng Yang , Yi Zhang , Ge Wang

Non-negative Matrix Factorization (NMF) is an effective algorithm for multivariate data analysis, including applications to feature selection, pattern recognition, and computer vision. Its variant, Semi-Nonnegative Matrix Factorization…

Numerical Analysis · Mathematics 2024-10-23 Anthony Rhodes , Bin Jiang , Jenny Jiang

Telegraph noise, which originates from the switching of charge between meta-stable trapping sites, becomes increasingly important as device sizes approach the nano-scale. For charge-based quantum computing, this noise may lead to…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 T. M. Buehler , D. J. Reilly , R. P. Starrett , V. C. Chan , A. R. Hamilton , A. S. Dzurak , R. G. Clark

Randomization of the trap state of defects present at the gate Si-SiO$_2$ interface of MOSFET is responsible for the low-frequency noise phenomena such as Random Telegraph Signal (RTS), burst, and 1/\textit{f} noise. In a previous work,…

Other Condensed Matter · Physics 2017-04-05 Kapil Jainwal , Mukul Sarkar , Kushal Shah

To compress deep convolutional neural networks (CNNs) with large memory footprint and long inference time, this paper proposes a novel pruning criterion using layer-wised Ln-norm of feature maps. Different from existing pruning criteria,…

Neural and Evolutionary Computing · Computer Science 2018-12-11 Wei Wang , Liqiang Zhu

Graphene-based devices show $1/f$ low-frequency noise in several electronic transport properties, such as mobility and charge carrier concentration. The recent outburst of experimental studies on graphene-based devices integrated into…

Mesoscale and Nanoscale Physics · Physics 2020-11-17 Francesco M. D. Pellegrino , Giuseppe Falci , Elisabetta Paladino

One of the major challenges of employing a dual-frequency phase-shifting algorithm for phase retrieval is its sensitivity to noise. Yun et. al [H Yun, B Li, S Zhang. 2017] proposed a dual-frequency method based on the Fourier transform…

Instrumentation and Detectors · Physics 2018-05-23 Minmin Wang , Canlin Zhou , Shuchun Si , Zhenkun Lei , Xiaolei Li , Hui Li , YanJie Li

Inherent low frequency noise is a ubiquitous phenomenon, which limits operation and performance of electronic devices and circuits. This limiting factor is very important for nanoscale electronic devices, such as 2D semiconductor devices.…

Mesoscale and Nanoscale Physics · Physics 2013-10-25 Yuji Wang , Xinhang Luo , Ningjiao Zhang , Masihhur R. Laskar , Lu Ma , Yiying Wu , Siddharth Rajan , Wu Lu

A deep-learning (DL) based methodology for automated extraction of BSIM-CMG compact model parameters from experimental gate capacitance vs gate voltage (Cgg-Vg) and drain current vs gate voltage (Id-Vg) measurements is proposed in this…

Machine Learning · Computer Science 2025-01-28 Aasim Ashai , Aakash Jadhav , Biplab Sarkar

Graphene nanoribbon (GNR) field-effect transistors (FETs) with widths down to 12 nm have been fabricated by electron beam lithography using a wafer-scale chemical vapor deposition (CVD) process to form the graphene. The GNR FETs show…

Mesoscale and Nanoscale Physics · Physics 2015-01-30 Wan Sik Hwang , Kristof Tahy , Xuesong Li , Huili , Xing , Alan C. Seabaugh , Chun-Yung Sung , Debdeep Jena

We report on the low frequency (LF) noise measurements in magnetic tunnel junctions (MTJs) below 4 K and at low bias, where the transport is strongly affected by scattering with magnons emitted by hot tunnelling electrons, as thermal…

Mesoscale and Nanoscale Physics · Physics 2015-01-06 Liang Liu , Li Xiang , Huiqiang Guo , Jian Wei , D. L. Li , Z. H. Yuan , J. F. Feng , X. F. Han , J. M. D. Coey

Presented is a new algorithm for estimating the frequency of a single-tone noisy signal using linear least squares (LLS). Frequency estimation is a nonlinear problem, and typically, methods such as Nonlinear Least Squares (NLS) (batch) or a…

Signal Processing · Electrical Eng. & Systems 2019-04-17 Solomon Davis , Izhak Bucher