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The measured experimental results of optical diffraction of 10, 5 and 3.4 micrometer period plasmonic surface relief grating are presented for the application of band-pass filter in visible spectral range. Conventional scanning electron…

Applied Physics · Physics 2017-08-24 Sudheer , S. Porwal , S. Bhartiya , C. Mukherjee , P. Tiwari , T. K. Sharma , V. N. Rai , A. K. Srivastava

We present further evidence that gelation is an arrested phase separation in attractive colloid-polymer mixtures, based on a method combining confocal microscopy experiments with numerical simulations recently established in {\bf Nature…

Soft Condensed Matter · Physics 2009-11-13 Emanuela Zaccarelli , Peter J. Lu , Fabio Ciulla , David. A. Weitz , Francesco Sciortino

We developed a model of paraffin wax crystal coarsening that well describes our experimental results and allows behavior of the paraffin films to be predicted on the basis of the extracted kinetic parameters. Wax crystalline films were…

Soft Condensed Matter · Physics 2020-01-01 Sasha Pechook , Alex Katsman , Boaz Pokroy

The synthesis of silver nanowires in solution phase is of great interest because of their applicability for fabrication of plasmonic devices. Silver nanowires with diameters of 6.5 nm and length exceeding microns are synthesized in aqueous…

Chemical Physics · Physics 2015-02-11 Egon Steeg , Frank Polzer , Holm Kirmse , Yan Qiao , Jürgen P. Rabe , Stefan Kirstein

In this work we study sulfur confined between two multilayer graphene films under thermal treatments by means of electrical and Raman spectroscopy characterization. We found some similarities between the electrical behavior and differential…

Materials Science · Physics 2016-12-21 C. Bautista-Flores , J. S. Arellano-Peraza , R. Y. Sato-Berrú , E. Camps , D. Mendoza

Previous efforts to directly write conductive metals have been narrowly focused on nanoparticle ink suspensions that require aggressive sintering (>200 {\deg}C) and result in low-density, small-grained agglomerates with electrical…

Dielectric screening plays an important role in reducing the strength of carrier scattering and trapping by point defects for many semiconductors such as the halide perovskite solar materials. However, it was rarely considered as a screen…

Materials Science · Physics 2019-04-30 Xin He , David J. Singh , Patsorn Boon-on , Ming-Way Lee , Lijun Zhang

Slow-light enhanced optical detection in liquid-infiltrated photonic crystals is theoretically studied. Using a scattering-matrix approach and the Wigner-Smith delay time concept, we show that optical absorbance benefits both from…

Optics · Physics 2008-02-02 M. E. V. Pedersen , L. S. Rishoj , H. Steffensen , S. Xiao , N. A. Mortensen

Fluorescent latex beads have been widely used as tracers in microfluidics over for the last decades. They have the advantages to be density matched with water and to be easily localizable using fluorescence microscopy. We have recently…

Chemical Physics · Physics 2016-03-17 Olivier Mesdjian , Yong Chen , Jacques Fattaccioli

Porous gels -- gels with solvent-filled pores that are much larger than their mesh size -- are widely used in engineering and biomedical applications due to their tunable mechanics, high water content, and selective permeability. Among…

Soft Condensed Matter · Physics 2025-08-22 Yanxia Feng , Noel Ringeisen , Eric R. Dufresne , Lucio Isa , Robert W. Style

Chemical vapour deposition (CVD) is an established method for producing high-purity thin films, but it typically necessitates the pre- and post-processing of a mask to produce structures. This paper presents a novel maskless patterning…

Materials Science · Physics 2024-04-19 Aleksei Tsarapkin , Krzysztof Maćkosz , Chinmai Sai Jureddy , Ivo Utke , Katja Höflich

High-resolution tunable laser spectroscopy is used to measure time-resolved absorption spectra for ten neutral uranium transitions and six singly-ionized transitions in a laser produced plasma. Spectral lineshapes are analyzed to determine…

In this study, we investigate the use of hyperspectral imaging (HSI) to inspect the formation of corrosion products on galvanised carbon steel samples. Ten samples were subjected to an accelerated corrosion test with different exposure…

Optics · Physics 2022-06-24 Thomas De Kerf , Zohreh Zahiri , Paul Scheunders , Steve Vanlanduit

We report on the crystallization kinetics in an entropically attractive colloidal system using a combination of time resolved scattering methods and microscopy. Hard sphere particles are polystyrene microgels swollen in a good solvent…

Soft Condensed Matter · Physics 2010-09-09 Andreas Stipp , Hans-Joachim Schoepe , Thomas Palberg , Thomas Eckert , Eckhard Bartsch , Ralf Biehl

Non-resonant tip-enhanced Raman images of dimercaptostilbene on silver reveal that different vibrational resonances of the reporter are selectively enhanced at different sites on the metal substrate. Sequentially recorded images track…

Chemical Physics · Physics 2014-03-31 Patrick Z. El-Khoury , Dehong Hu , Wayne P. Hess

Surface plasmon resonance (SPR) sensors built on photonic crystal fibers (PCFs) have recently become a promising category of optical sensing platforms. This is primarily due to their high sensitivity, compact structural design and ability…

Gram staining has been one of the most frequently used staining protocols in microbiology for over a century, utilized across various fields, including diagnostics, food safety, and environmental monitoring. Its manual procedures make it…

Comprehensive assessment of the various aspects of the brain's microstructure requires the use of complementary imaging techniques. This includes measuring the spatial distribution of cell bodies (cytoarchitecture) and nerve fibers…

Silver is a metal which provides the highest reflectivity in the very broad wavelength range as well as the lowest polarization splitting. However, it is not very stable chemically and silver mirrors are easily damaged in a corrosive or…

Applied Physics · Physics 2020-06-24 Pavel Bulkin , Sofia Gaiaschi , Patrick Chapon , Dmitri Daineka , Natalya Kundikova

Laser Ablation Electrospray Ionization is a recent development in mass spectrometry imaging. It has been shown that lipids and small metabolites can be imaged in various samples such as plant material, tissue sections or bacterial colonies…

Biological Physics · Physics 2013-09-05 András Kiss , Donald F. Smith , Brent R. Reschke , Matthew J. Powell , Ron M. A. Heeren