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Titanium dioxide (TiO$_2$) thin films are commonly used as photocatalytic materials. Here, we enhance the photocatalytic activity of devices based on TiO$_2$ by combining nanostructured glass substrates with metallic plasmonic…

Laser nitriding represents a versatile approach for tailoring the surface properties of metals. Up to now, its effect on the superconducting response of niobium nitrides remains largely unexplored. In this work, the nitriding process of…

Materials Science · Physics 2026-04-20 J. Frechilla , A. Frechilla , G. F. de la Fuente , A. Larrea , L. A. Angurel , E. Martínez

We demonstrate that laser reflection acts as a catalyst for superponderomotive electron production in the preplasma formed by relativistic multipicosecond lasers incident on solid density targets. In 1D particle-in-cell simulations, high…

Plasma Physics · Physics 2020-01-06 Kathleen Weichman , Alexander P. L. Robinson , Farhat N. Beg , Alexey V. Arefiev

Surfaces of metal oxides at working conditions are usually electrified due to the acid-base chemistry. The charged interface compensated with counterions forms the so-called electric double layer. The coupling of surface chemistry and…

Soft Condensed Matter · Physics 2019-07-02 Chao Zhang , Jürg Hutter , Michiel Sprik

Plasmas at atmospheric pressure are presented as a simple, fast, and versatile tool for the synthesis or/and the grafting of noble metallic NPs (Au, Pt) on substrates. In this study, noble metal NPs are generated either by the reduction of…

Applied Physics · Physics 2018-02-08 D. Merche , C. De Vos , J. Baneton , T. Dufour , S. Godet , F. Reniers

The interactions of charged particles with carbon nanotubes may excite electromagnetic modes in the electron gas produced in the cylindrical graphene shell constituting the nanotube wall. This wake effect has recently been proposed as a…

Accelerator Physics · Physics 2023-12-18 P. Martín-Luna , A. Bonatto , C. Bontoiu , G. Xia , J. Resta-López

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

Cu-Sn-Zn coatings have been widely used in industry for their unique properties, such as good conductivity, high corrosion resistance and excellent solderability. To further improve the mechanical performance of Cu-Sn-Zn coatings,…

Applied Physics · Physics 2017-12-05 Weidong Gao , Di Cao , Yunxue Jin , Xiaowei Zhou , Guang Cheng , Yuxin Wang

An 852nm nanosecond laser pulse chain with a high on/off ratio is generated by chopping a continuous-wave laser beam using a Mach-Zehnder-type electro-optic intensity modulator(MZ-EOIM). The detailed dependence of the MZ-EOIM's on/off ratio…

Optics · Physics 2016-06-24 Gang Jin , Bei Liu , Jun He , Junmin Wang

Water, the ubiquitous solvent, is also prominent in forming liquid solid interfaces with catalytically active surfaces, in particular with promoted oxides. We study the complex interface of a gold nanocatalyst, pinned by an F center on…

Materials Science · Physics 2013-03-22 Matteo Farnesi Camellone , Dominik Marx

An organometallic powder (platinum (II) acetylacetonate) is decomposed in the post-discharge of an atmospheric RF plasma torch to deposit Pt nanoparticles on carbon black supports. The resulting nanohybrid materials are characterized by…

Copper nanowires are widely used as on-chip interconnects due to superior conductivity. However, with aggressive Cu interconnect scaling, the diffusive surface scattering of electrons drastically increases the electrical resistivity. In…

In pulsed laser deposition, thin film growth is mediated by a laser-generated plasma, whose properties are critical for controlling the film microstructure. The advent of 2D materials has renewed the interest in how this ablation plasma can…

Electrostatically charged aerosol nanoparticles strongly attract surrounding polar gas molecules due to a charge-dipole interaction. In humid air, the substantial electrostatic attraction and acceleration of surrounding water vapour…

Plasma Physics · Physics 2010-08-03 Oleg Meshcheryakov

Ultrafast lasers are an increasingly important tool to control and stabilize emergent phases in quantum materials. Among a variety of possible excitation protocols, a particularly intriguing route is the direct light-engineering of…

A new magnetic phase with $T_C = 72 \ \mathrm K$ was obtained by exposing the three-dimensional $\mathrm{\{ [Mn^{II}(H_2O)_2]_2[Nb^{IV}(CN)_8] \cdot 4H_2O \} _n}$ coordination ferrimagnet ($T_C = 49 \ \mathrm K$) to air, oxygen, nitrogen,…

Materials Science · Physics 2024-02-29 Dominik Czernia , Piotr Konieczny , Marcin Perzanowski , Beata Nowicka , Dawid Pinkowicz

A new mechanism of enhanced laser energy absorption in plasma microglobules is demonstrated with the help of two-dimensional Particle-In-Cell (PIC) simulations. The mechanism relies on the excitation of surface and bulk waves and the…

Plasma Physics · Physics 2025-02-18 Animesh Sharma , Amita Das , G Ravindra Kumar

Here we develop a class off face centred cubic structure of metallic silver nanocrystals, to enable high ORR activity process. Silver nanoparticles deposited within different carbon supports: carboxylated-graphene, SiO2-doted reduced-…

The honeycomb lattice iridate Na$_2$IrO$_3$ shows frustrated magnetism and can potentially display Kitaev-like exchange interactions. Recently, it was shown that the electronic properties of the surface of crystalline Na$_2$IrO$_3$ can be…

Materials Science · Physics 2018-09-25 Aastha Vasdev , Lalit Yadav , Suman Kamboj , Kavita Mehlawat , Yogesh Singh , Goutam Sheet

Despite advancements in lung cancer therapy, the prognosis for advanced or metastatic patients remains poor, yet many patients eventually develop resistance to standard treatments leading to disease progression and poor survival. Here, we…

Biological Physics · Physics 2024-08-23 Yueye Huang , Rui Zhang , Xiao Chen , Fei Cao , Qiujie Fang , Qingnan Xu , Shicong Huang , Yufan Wang , Guojun Chen , Zhitong Chen
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