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Vertical graphene nanosheets (VGN) grown as controlled porous network are studied and demonstrated as a promising electrode material for supercapacitors. The VGN synthesized by microwave plasma enhanced chemical vapor deposition using…

Materials Science · Physics 2022-02-02 Subrata Ghosh , Bhavana Gupta , Tom Mathews , A. Das , M. Kamruddin

Electrode-electrolyte interfaces are crucial for electrochemical energy conversion and storage. At these interfaces, the liquid electrolytes form electrical double layers (EDLs). However, despite more than a century of active research, the…

Sensors which are sensitive to volatile organic compounds and thus able to monitor the conservation state of food, are precious because they work non-destructively and allow to avoid direct contact with the food, ensuring hygienic…

Rydberg-atom electric field sensing has shown great potential from near-DC to THz with state-of-the-art measurement metrics realized in sensitivity, phase extraction, multi-band receptivity, etc. While Rydberg-atom sensors have shown…

Quantum Physics · Physics 2026-03-17 Aveek Chandra , Narongrit Paensin , Rainer Dumke

Monolithic CMOS pixel sensors offer unprecedented opportunities for fast nano-imaging through direct electron detection in transmission electron microscopy. We present the design and a full characterisation of a CMOS pixel test structure…

To fully exploit the HERA-II upgrade,the ZEUS experiment has installed a Micro Vertex Detector (MVD) using n-type, single-sided, silicon micro-strip sensors with capacitive charge division. The sensors have a readout pitch of 120…

High Energy Physics - Experiment · Physics 2009-11-07 D. Dannheim , U. Koetz , C. Coldewey , E. Fretwurst , A. Garfagnini , R. Klanner , J. Martens , E. Koffeman , H. Tiecke , R. Carlin

LSCF is a promising candidate for the cathode in SOFCs. Understanding the microstructural characteristics is crucial to its application because they predominately determine the performance and durability of the porous cathodes and hence of…

Materials Science · Physics 2015-02-10 Zhangwei Chen

The terahertz (THz) spectral regime offers unique opportunities for next-generation biochemical sensing due to its non-destructive, label-free probing capability and strong sensitivity to molecular vibrations. However, conventional THz…

Biomarker detection is the key to identifying health risks. However, designing sensitive biosensors in a single-use mode for disease diagnosis remains a major challenge. Here, we report sub-monolayer biolasers with remarkable repeatability…

Future generation technologies demand high efficiency photodetectors to enable sensing and switching devices for ultrafast communication and machine vision. This require direct-band gap materials with high photosensitivity, high detectivity…

Instrumentation and Detectors · Physics 2023-03-28 Rakesh K. Prasad , Koushik Ghosh , P. K. Giri , Dai-Sik Kim , Dilip K. Singh

Coupling high quality, suspended atomic membranes to specialized electrodes enables investigation of many novel phenomena, such as spin or Cooper pair transport in these two dimensional systems. However, many electrode materials are not…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Jairo Velasco , Zeng Zhao , Hang Zhang , Fenglin Wang , Zhiyong Wang , Philip Kratz , Lei Jing , Wenzhong Bao , Jing Shi , Chun Ning Lau

Graphene field effect transistors (G-FETs) have appeared as suitable candidates for sensing charges and have thus attracted large interest for ion and chemical detections. In particular, their high sensitivity, chemical robustness,…

Mesoscale and Nanoscale Physics · Physics 2024-02-08 Océane Terral , Guillaume Audic , Arnaud Claudel , Justine Magnat , Aurélie Dupont , Christophe J. Moreau , Cécile Delacour

Silicon is a promising anode material for next-generation lithium-ion batteries due to its exceptionally high specific capacity (3600 mAh g$^{-1}$), significantly exceeding that of conventional graphite. However, its practical application…

Chemical Physics · Physics 2026-01-08 D Sugunan , Y Jiang , J Guo , H Wang , M Marinescu , G Offer

Nanoscale engineered materials combined with wearable wireless technologies can deliver a new level of health monitoring. A reduced graphene oxide-nylon composite material is developed and tested, demonstrating its usefulness as a material…

The discovery of two-dimensional electron gases (2DEGs) in SrTiO3-based heterostructures provides new opportunities for nanoelectronics. Herein, we create a new type of oxide 2DEG by the epitaxial-strain-induced polarization at an otherwise…

A novel approach for electrochemical tuning of alcohol oxidase (AOx) and alcohol dehydrogenase (ADH) biocatalysis towards butanol-1 oxidation by incorporating enzymes in various designs of amperometric biosensors is presented. The…

Chemical Physics · Physics 2021-02-01 Daria Semenova , Tiago Pinto , Marcus Koch , Krist V. Gernaey , Helena Junicke

NiO/ZnO-based thin films, including single-layer and heterostructure configurations, were synthesized to investigate the influence of stacking order on their electrochemical performance for supercapacitor applications. To improve the…

The electromagnetic response of metasurfaces can be intentionally engineered by carefully designing their unit cells. Narrowband metasurfaces, characterized by high quality factors, can serve as an efficient platform for biosensing in…

Two dimensional (2D) crystal heterostructures are shown to possess a unique opportunity for novel THz nonlinear devices. In contrast to the oxide tunneling barrier, the uniformity of 2D insulators in the thickness control provides an ideal…

Materials Science · Physics 2015-06-12 B. D. Kong , C. Zeng , D. K. Gaskill , K. L. Wang , K. W. Kim

Lithium-sulfur (Li-S) batteries have become one of the most attractive alternatives over conventional Li-ion batteries due to their high theoretical specific energy density (2500 Wh/kg for Li-S vs. $\sim$250 Wh/kg for Li-ion). Accurate…

Systems and Control · Electrical Eng. & Systems 2021-09-21 Zhijia Huang , Dong Zhang , Luis D. Couto , Quan-Hong Yang , Scott J. Moura