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Optical properties of refractory intermetallic thin films of Au$_{3}$Zr were experimentally investigated for the first time, which show distinctive plasmonic properties in the visible and near infrared region. The films were fabricated…

Applied Physics · Physics 2021-03-25 Hugh Littlehailes , William R. Hendren , Stacey Drakeley , Robert M. Bowman , Fumin Huang

Silver-doped ZnO nanoparticles were successfully fabricated at $400\,^{\circ}\mathrm{C}$ via a simple and rapid method based on short time solid state milling and calcination of precursor powders. The effect of Ag dilute doping on the…

Materials Science · Physics 2015-08-04 S. M. Hosseini , I. Abdolhosseini Sarsari , P. Kameli , H. Salamati

Liquid metal (LM)-based composites hold promise for soft electronics due to their high conductivity and fluidic nature. However, the presence of {\alpha}_Ga2O3 and GaOOH layers around LM droplets impairs conductivity and performance. We…

Systems and Control · Electrical Eng. & Systems 2025-01-30 Abdollah Hajalilou , Elahe Parvini , Tiago A. Morgado , Pedro Alhais Lopes , M. Estrela Melo Jorge , Marta Freitas , Mahmoud Tavakoli

Hypothesis: Introducing charged terminal groups to polymers that graft nanoparticles enables Coulombic control over their assembly by tuning the pH and salinity of aqueous suspensions. Experiments: Gold nanoparticles (AuNPs) are grafted…

Mesoscale and Nanoscale Physics · Physics 2023-12-08 Hyeong Jin Kim , Binay P. Nayak , Honghu Zhang , Benjamin M. Ocko , Alex Travesset , David Vaknin , Surya K. Mallapragada , Wenjie Wang

An elementary approach is employed to show that genuine surface effects could destabilize surface plasma waves (SPWs) supported on the interface between a metal and a dielectric (usually the vacuum) and give rise to an intrinsic channel of…

Mesoscale and Nanoscale Physics · Physics 2018-05-29 Hai-Yao Deng

Plasmonic devices have advanced significantly in the past decade. Being one of the most intriguing devices, plamonic nanolasers plays an important role in biomedicine, chemical sensor, information technology, and optical integrated…

Mesoscale and Nanoscale Physics · Physics 2015-05-22 Bo-Tsun Chou , Yu-Hsun Chou , Yen-Mo Wu , Yi-Chen Chung , Wei-Jen Hsueh , Shih-Wei Lin , Tien-Chang Lu , Tzy-Rong Lin , Sheng-Di Lin

Precious metal alloys enables new possibilities to tailor materials for specific optical functions. Here we present a systematic study of the effects of a nanoscale alloying on the permittivity of Au-Ag-Cu metals at 38 different atomic…

Improving the performance of metallic implants increasingly relies on the development of multifunctional surface modifications that combine structural stability, bioactivity, and prevention of bacterial colonization. Medium-entropy alloys…

Deep understanding of plasmonic nanoparticles (PNPs)-light interaction over semiconductors surface shows great promises in enhancing their optoelectronic devices efficiency beyond the conventional limit. However, PNP-light interaction…

Applied Physics · Physics 2018-10-01 Kanika Arora , Vishal Kumar , Mukesh Kumar

An environmentally stable mesoscopic thin film of Au of certain thickness has been deposited thermally on top of a Ag+ implanted oxide substrate to develop a close to room temperature superconductor. This thin film has been deposited in two…

Materials Science · Physics 2023-02-28 Sobhan Hazra , Sandip Chatterjee , Bhola Nath Pal

Metallic nanostructures can support so-called plasma oscillations (plasmons). Plasmons allow for the concentration of the energy from light, down to sizes well below the conventional diffraction limit known from optics. Plasmonics thus…

Mesoscale and Nanoscale Physics · Physics 2019-06-05 Christian Frydendahl

Employing grazing-incidence small-angle X-ray scattering (GISAXS) and X-ray reflectivity (XRR), we demonstrate that films composed of polyethylene glycol (PEG)-grafted silver nanoparticles (AgNP) and gold nanoparticles (AuNP), as well as…

Recent experiments on nanoclusters of silver (Ag) embedded in a gold (Au) matrix reveal a huge increase in both the zero temperature resistivity and the coefficient of the ``$T$ linear'' thermal resistivity with increasing volume fraction…

Strongly Correlated Electrons · Physics 2024-08-23 Debraj Bose , Sankha Subhra Bakshi , Pinaki Majumdar

Absorption efficiency profiles and localized surface plasmon resonance (LSPR) wavelengths are reported for metallic core-shell nanoparticles (NPs) placed over a BK7 glass substrate. A numerical study is performed with the vectorized version…

Optics · Physics 2020-01-08 Dilan Avsar , Hakan Erturk , M. Pinar Menguc

Nanocomposite NiO:Au thin films, formed by gold nanoparticles embedded in a nickel oxide matrix, have been grown by reactive pulsed laser deposition (R-PLD). Two actively synchronized nanosecond laser sources, a KrF excimer laser (248 nm)…

Materials Science · Physics 2013-04-22 I. Fasaki , M. Kandyla , M. G. Tsoutsouva , M. Kompitsas

Thin films have found a wide variety of applications because of the substantial improvement in their properties as compared to bulk metals. Metal oxide thin films are increasingly being used in various fields and are especially important in…

Applied Physics · Physics 2023-07-26 Vishal Mohade , Krishna Kumar , Parasuraman Swaminathan

Luminescent multifunctional nanomaterials are important because of their potential impact on the development of key technologies such as smart luminescent sensors and solid-state lightings. To be technologically viable, the luminescent…

Plasmonic near-field transducers (NFTs) play a key role in administering nanoscale heating for a number of applications ranging from medical devices to next generation data processing technology. We present a novel multi-scale approach,…

Deep subwavelength integration of high-definition plasmonic nanostructures is of key importance for the development of future optical nanocircuitry for high-speed communication, quantum computation and lab-on-a-chip applications. So far the…

Silver films were deposited at room temperature onto H-passivated Si(111) surfaces. Their electronic properties have been analyzed by angle-resolved photoelectron spectroscopy. Submonolayer films were semiconducting and the onset of…

Materials Science · Physics 2009-11-07 A. Arranz , J. F. Sanchez-Royo , J. Avila , V. Perez-Dieste , P. Dumas , M. C. Asensio
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