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This paper presents the process of plasma formation during laser induced breakdown spectroscopy (LIBS) along with analysis of emission from double pulse LIBS to better understand the processes and the factors involved in enhancement of…

Plasma Physics · Physics 2014-07-03 V. N. Rai

Nanoporosity in silicon leads to completely new functionalities of this mainstream semiconductor. A difficult to assess mechanics has however significantly limited its application in fields ranging from nanofluidics and biosensorics to drug…

Materials Science · Physics 2021-06-21 Marc Thelen , Nicolas Bochud , Manuel Brinker , Claire Prada , Patrick Huber

This work presents a simply methodology for coating small unilamellar liposomes bearing different degrees of positive charge with polyelectrolyte multilayers using the sequential Layer-by-Layer (LbL) deposition method. The liposomes were…

Fabrication techniques such as laser patterning offer excellent potential for low cost and large area device fabrication. Conductive polymers can be used to replace expensive metallic inks such as silver and gold nanoparticles for printing…

In the present article we substantially expand on our recent study about the fabrication of mesoscale polymeric templates of disordered photonic network materials. We present a detailed analysis and discussion of important technical aspects…

Optics · Physics 2016-02-03 Jakub Haberku , Nicolas Muller , Frank Scheffold

Intense laser-driven nonlinear optical phenomena in two-dimensional (2D) nodal-line semimetals (NLS) exhibit complex mechanisms, particularly in the NbSi$_{x}$Te$_{2}$ material systems characterized by nonsymmorphic symmetry-protected band…

Optics · Physics 2025-08-25 Navdeep Rana , M. S. Mrudul , Amar Bharti , Sucharita Giri , Gopal Dixit

We designed spongy monoliths allowing liquid delivery to their surfaces through continuous nanopore systems (mean pore diameter ca. 40 nm). These nanoporous monoliths were flat or patterned with microspherical structures a few 10 microns in…

Electronic devices are progressively fabricated on flexible substrates allowing new fields of applications. A maskless and very flexible structuring process is offered by ablation using ultra-short pulse laser irradiation. Usually, certain…

Applied Physics · Physics 2020-12-02 Chresten von der Heide , Maria Grein , Günther Bräuer , Andreas Dietzel

We report on the morphological effects induced by the inhomogeneous absorption of radially polarized femtosecond laser irradiation of nickel (Ni) in sub-ablation conditions. A theoretical prediction of the morphology profile is performed…

Materials Science · Physics 2023-07-19 George D. Tsibidis , Evangelos Skoulas , Emmanuel Stratakis

The mechanisms of ripple formation on silicon surface by femtosecond laser pulses are investigated. We demonstrate the transient evolution of the density of the excited free-carriers. As a result, the experimental conditions required for…

Materials Science · Physics 2015-06-15 Thibault J. -Y. Derrien , Tatiana E. Itina , Rémi Torres , Thierry Sarnet , Marc Sentis

Electrically conducting polymers with mechanical adaptability are essential for flexible electronics, yet most suffer structural degradation under rapid deformation. In this study, multiscale coarse-grained (MSCG) simulations are used to…

Soft Condensed Matter · Physics 2025-11-03 Jingchen Wang , Tianqi Hu , Jingjie Yeo

When thermal energies are weak, two dimensional lamellar structures confined on a curved substrate display complex patterns arising from the competition between layer bending and compression in the presence of geometric constraints. We…

Soft Condensed Matter · Physics 2009-11-18 R. D. Kamien , D. R. Nelson , C. D. Santangelo , V. Vitelli

We report the first fully self-consistent calculations of the nonlinear optical properties of superlattices. The materials investigated are mono-layer superlattices with GaP grown on the the top of InP, AlP and GaAs (110) substrates. We use…

Materials Science · Physics 2009-11-07 S. Sharma , J. K. Dewhurst , C. Ambrosch-Draxl

Controlling laser-induced pattern formation remains a long-standing challenge. A key advance was recognising the pivotal role of intrinsic feedback mechanisms in self-organisation, which enabled self-similar patterns with long-range order…

This paper presents electrostriction from the phenomenological perspective, and gives details on two mechanical effects arising from laser-matter interaction. Electrostriction is the tendency of materials to compress in the presence of a…

Optics · Physics 2014-09-05 Ardian B. Gojani , Rasim Bejtullahu , Shigeru Obayashi

An investigation of ultrashort pulsed laser induced surface modification due to conditions that result in a superheated melted liquid layer and material evaporation are considered. To describe the surface modification occurring after…

Mesoscale and Nanoscale Physics · Physics 2012-10-04 George D. Tsibidis , Marios Barberoglou , Panagiotis A. Loukakos , Emmanuel Stratakis , Costas Fotakis

Photodynamically active fibres (PAFs) are a novel class of stimulus-sensitive systems capable of triggering antibiotic-free antibacterial effect on-demand when exposed to light. Despite their relevance in infection control, however, the…

Tissues and Organs · Quantitative Biology 2021-01-07 Amy Contreras , Michael J. Raxworthy , Simon Wood , Giuseppe Tronci

Control of laser writing in transparent dielectrics using temporal contrast of light pulses is demonstrated. Anisotropic nanopores in silica glass are produced by high-contrast of 10^7 femtosecond Yb: KGW laser pulses rather than…

Understanding dynamic and complex interaction of biological membranes with extracellular matrices plays a crucial role in controlling a variety of cell behavior and functions, from cell adhesion and growth to signaling and differentiation.…

Soft Condensed Matter · Physics 2022-07-28 Selcan Karaz , Mertcan Han , Gizem Akay , Asim Onal , Sedat Nizamoglu , Seda Kizilel , Erkan Senses

Optical circuits and light sources, such as lasers, undergo continuous miniaturization. In its extreme, nanolasers might be comprised of only a few molecules confined in plasmonic nanoresonators. Few-emitter lasers promise low energy…

Quantum Physics · Physics 2026-05-08 Kai Müller , Kimmo Luoma , Christian Schäfer