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High Hole Mobility van der Waals Junction Field-Effect Transistors Based on Te/GaAs for Multimode Photodetection and Logic Applications.
ACS Appl Mater Interfaces
March 2025
School of Semiconductor Science and Technology, South China Normal University, Foshan 528225, P.R. China.
Recently, interface scattering and low mobility have significantly impeded the performance of two-dimensional (2D) P-type transistors. 2D semiconductor tellurium (Te) has garnered significant interest owing to its unique atomic chain crystal structure, which confers ultrahigh hole mobility. van der Waals heterojunction enhances transistor performance by reducing scattering at the gate-channel interface, attributed to its high-quality interface.
View Article and Find Full Text PDFMolecular-dipole oriented universal growth of conjugated polymers into semiconducting single-crystal thin films.
Nat Commun
February 2025
Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing, China.
Precise control over crystallinity and morphology of conjugated polymers (CPs) is essential for progressing organic electronics. However, manufacturing single-crystal thin films of CPs presents substantial challenges due to their complex molecular structures, distorted chain conformations, and unbalanced crystallization kinetics. In this work, we demonstrate a universal nanoconfined molecular-dipole orientating strategy to craft high-quality single-crystal thin films for a variety of CPs, spanning from traditional thiophene- and theinothiophene-based homopolymers to diketopyrrolopyrrole- (i.
View Article and Find Full Text PDFLabel-free electronic detection of peptide post-translational modification with functional enzyme-driven assay at the physical limit.
Cell Rep Phys Sci
August 2024
Physics and Center for Functional Materials, Faculty of Science and Engineering, Åbo Akademi University, 20500 Turku, Finland.
High-performance, ultra-sensitive, and universal protein post-translational modification (PTM) and protein-protein interaction (PPI) technologies are eagerly pursued in the pharmaceutical industry and bioanalytical research. Novel PTM and PPI detection methods outperform traditional assays in scope and scalability, enabling the collection of information on multiple biochemical targets. Detecting peptides and proteins at the single-molecule level is done by utilizing nanosized transducing elements and assaying solutions at very high analyte concentrations, in the nanomolar range or higher.
View Article and Find Full Text PDFVan der Waals Engineering of One-Transistor-One-Ferroelectric-Memristor Architecture for an Energy-Efficient Neuromorphic Array.
Nano Lett
February 2025
Physical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
Two-dimensional-material-based memristor arrays hold promise for data-centric applications such as artificial intelligence and big data. However, accessing individual memristor cells and effectively controlling sneak current paths remain challenging. Here, we propose a van der Waals engineering approach to create one-transistor-one-memristor (1T1M) cells by assembling the emerging two-dimensional ferroelectric CuCrPS with MoS and -BN.
View Article and Find Full Text PDFDesign and Implementation of universal converter using ANN controller.
Sci Rep
January 2025
School of ECE, Adama Science and Technology University, Adama, Ethiopia.
This paper details the hardware implementation of a Universal Converter controlled by an Artificial Neural Network (ANN), utilizing key components such as six Insulated Gate Bipolar Transistors (IGBTs), two inductors, and two capacitors for energy storage and voltage smoothing. A Digital Signal Processor (DSP) serves as the core controller, processing real-time input and feedback signals, including voltage and current measurements, to dynamically manage five operational modes: rectifier buck, inverter boost, DC-DC buck, DC-DC boost, and AC voltage control. The pre-trained ANN algorithm generates pulse-width modulation (PWM) signals to control the switching of the IGBTs, optimizing timing and duty cycles for efficient operation.
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