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High resolution electron energy loss spectroscopy (HR-EELS) is utilized to probe the surface spin canting in nanoparticles of two technologically important magnetic materials, i.e. Fe3O4 and CoFe2O4 (CFO). A soft experimental technique is…

Materials Science · Physics 2017-06-07 D. S. Negi , H. Sharona , U. Bhat , S. Palchoudhury , A. Gupta , R. Datta

This paper presents the findings of the synthesis of multicomponent (Al, W, Ni, Ti, Nb) alloy coatings from mosaic targets. For the study, a pulsed magnetron sputtering method was employed under different plasma generation conditions:…

Substrate-transferred crystalline coatings have recently emerged as a groundbreaking new concept in optical interference coatings. Building upon our initial demonstration of this technology, we have now realized significant improvements in…

A near-field optical detection method and its theoretical model are developed, which follow from an algebra-based conclusion: in the localized surface plasmon resonance (LSPR) region, the extinction coefficient of a metal nanosphere is the…

Optics · Physics 2018-03-30 Gong Lihue

A two-dimensional resonant inelastic x-ray scattering (2D-RIXS) microscopy system has been developed at the beamline BL02U of NanoTerasu. The instrument combines a Wolter type-I mirror for spatial imaging with a varied-line-spacing grating…

Materials Science · Physics 2026-05-07 Kohei Yamamoto , Hakuto Suzuki , Jun Miyawaki

Second Generation advanced high strength steel is the material of choice for modern automotive structural parts because of its outstanding maximal elongation and tensile strength. Nonetheless there is still a lack of corrosion protection…

Materials Science · Physics 2013-02-01 M. Arndt , J. Duchoslav , K. Preis , L. Samek , D. Stifter

Rapid and reproducible assembly of aligned nanostructures on a wafer-scale is a crucial, yet one of the most challenging tasks in the incorporation of nanowires into integrated circuits. We present the synthesis of a periodic nanochannel…

An antireflective coating presenting a continuous refractive index gradient is theoretically better than its discrete counterpart because it can give rise to a perfect broadband transparency. This kind of surface treatment can be obtained…

The structure of the adsorbed layer of alkali ions on the surface of colloidal silica solutions with a particle size of ~27 nm has been studied by reflectometry and diffuse scattering of synchrotron radiation with a photon energy of about…

Tungsten (W) exhibits desirable properties for extreme applications, such as the divertor in magnetic fusion reactors, but its practicality remains limited due to poor formability and insufficient irradiation resistance. In this work, we…

Materials Science · Physics 2025-03-11 Akshay Korpe , Osman El-Atwani , Enrique Martinez Saez

(abridged) Aims. To reconstruct the spectral shape of the quasar ionizing radiation in the extreme-UV range (1Ryd <= E < 10Ryd) from the analysis of narrow absorption lines (NAL) of the associated systems. Methods. Computational technique…

Astrophysics · Physics 2018-10-24 S. A. Levshakov , I. I. Agafonova , D. Reimers , J. L. Hou , P. Molaro

$\text{Ge}_{1-y}\text{Sn}_y$ alloys with compositions in the 0.15 < $y$ < 0.30 range have been grown directly on Si substrates using a chemical vapor deposition approach that allows for growth temperatures as high as 290 $^{\circ}$C. The…

Sharp tip nanoindentation of glassy polymers is a constrained, localized viscoelastoplastic deformation. We interpret this complexity, in terms of the well-understood uniaxial deformation. From the uniaxial compression data in the…

Soft Condensed Matter · Physics 2024-07-08 Prakash Sarkar , Hemant Nanavati

Photothermal-Induced Resonance (PTIR) is increasingly used in the measurement of infrared absorption spectra of sub-micrometer objects. The technique measures IR absorption spectra by relying on the photothermal effect induced by a rapid…

Chemical Physics · Physics 2019-11-28 Luca Quaroni

Copper-silver (CuAg) alloys are increasingly explored for applications in high-performance electrical and electronic systems, owing to their unique combination of high electrical and thermal conductivity and enhanced mechanical strength.…

Materials Science · Physics 2026-02-16 Krzysztof Wieczerzak , Grzegorz Cios , Piotr Bała , Johann Michler , Benedykt R. Jany

Using the Tunable Diode Laser Absorption Spectroscopy (TDLAS) 82 CH$_3$I ro-vibrational overtone absorption were detected for the first time between 11660 and 11840 cm$^{-1}$ (844 -- 857 nm), with strengths estimated to be around $10^{-27}$…

Chemical Physics · Physics 2023-04-14 Alessandro Lucchesini

The nanostructure of hydrogenated amorphous silicon (a Si:H) is studied by a combination of small-angle X-ray (SAXS) and neutron scattering (SANS) with a spatial resolution of 0.8 nm. The a-Si:H materials were deposited using a range of…

Materials Science · Physics 2020-11-04 Eike Gericke , Jimmy Melskens , Robert Wendt , Markus Wollgarten , Armin Hoell , Klaus Lips

Optical nanoantennas are a novel tool to investigate previously unattainable dimensions in the nanocosmos. Just like their radio-frequency equivalents, nanoantennas enhance the light-matter interaction in their feed gap. Antenna enhancement…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Thorsten Schumacher , Kai Kratzer , David Molnar , Mario Hentschel , Harald Giessen , Markus Lippitz

Indium phosphide and derived compound semiconductors are materials often involved in high-efficiency solar water splitting due to their versatile opto-electronic properties. Surface corrosion, however, typically deteriorates the performance…

Chemical Physics · Physics 2022-11-16 Mario Löw , Margot Guidat , Jongmin Kim , Matthias M. May

At the nanometric scale, the synthesis of a random alloy (i.e. without phase segregation, whatever the composition) by chemical synthesis remains a not easy task, even for simple binary type systems. In this context, a unique approach based…

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