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Affichage de 41 à 50 sur 16563

Article dans une revue

Pulsed Laser Deposition of Piezoelectric Ba0.85Ca0.15Ti0.9Zr0.1O3 Thin Films on Various Electrode/Substrate Combinations

Marie-Hélène Chambrier, Moustapha Azankoud, Donovan Ledru, Renaud Valois, Guillaume Demily, Freddy Ponchel, Denis Rémiens, Ilham Hamdi Alaoui, Françoise Le Marrec, Abdelilah Lahmar, Nathalie Lemée, Anthony Ferri, Antonio Da Costa, Rachel Desfeux

Ba0.85Ca0.15Ti0.9Zr0.1O3 (BCTZ) lead-free thin films (400 nm thick) with a tetragonal structure were grown by pulsed laser deposition on various bottom electrode/substrate sets. High-resolution X-ray diffraction confirmed heteroepitaxial growth of BCTZ on (001)-oriented SrTiO3 substrates; in…

ACS Applied Electronic Materials, 2026, ⟨10.1021/acsaelm.6c01288⟩. ⟨hal-05845422⟩

Article dans une revue

Beyond the Tartaglia–Cardano Myth: Priority, Secrecy, and Print in Renaissance Algebra

Raffaele Pisano

The Tartaglia–Cardano affair is often remembered as a story of betrayal surrounding the solution of the cubic equation. This article argues that the episode is better understood as a Renaissance case of mathematical knowledge in circulation: discovered, concealed, versified, privately communicated,…

The Mathematical Intelligencer, In press, 48 (4). ⟨hal-05839675⟩

Article dans une revue

Carnot’s cycle in the making of thermodynamics

Raffaele Pisano

No heat engine operating in a cycle can convert all the heat it receives into useful work. This Carnotian limit is now elementary thermodynamics, but it remains useful at the forefront of scientific research. It governs the comparison between ideal cycles and real processes, the interpretation of…

Nature Reviews Physics, 2026, 8 (10), ⟨10.1038/s42254-026-00994-x⟩. ⟨hal-05744235⟩

Article dans une revue

Recent advances in nanofabrication strategies for biosensors: from precision nanopatterning to scalable, flexible, and AI-assisted manufacturing

Meryem Beyza Avci, Furkan Kocer, Seda Nur Topkaya, Konstantinos Papatryfonos, Arif Cetin

Abstract Nanofabrication has become central to the development of high-performance biosensors by enabling precise control over sensing interfaces, enhanced signal transduction, and integration across optical, electrochemical, microfluidic, and wearable platforms. This review examines the evolution…

Nanotechnology, 2026, 37 (42), pp.422003. ⟨10.1088/1361-6528/aeb131⟩. ⟨hal-05850492⟩

Article dans une revue

Femtosecond Laser Direct Writing of Conductive Carbon Layers on Flexible Kapton Polyimide: A Parametric Study of Process, Microstructure, and Electrical Properties

Ahmad Barham, Mohammad Alkhatab, Wissam Helal, Flavie Braud, Jean-Pierre Vilcot, Basma Elzein

Femtosecond laser direct writing on Kapton polyimide was investigated using ultraviolet (343 nm) and near-infrared (1030 nm) irradiation. Sixteen conditions were screened optically and electrically. Scanning electron microscopy (SEM) micrographs were obtained for four infrared conditions and one…

Molecules, 2026, 31 (20), pp.3748. ⟨10.3390/molecules31203748⟩. ⟨hal-05807839⟩

Thèse

Électronique flexible et portable en utilisant de matériaux 1D-2D, Flexible and wearable electronics using 1D-2D materials

Fawzi Bouakkaz

Au cours des dernières années, l'électronique flexible et portable a suscité un intérêt croissant en raison d’une part de sa capacité à fonctionner de manière fiable même lorsqu'elle subit des déformations importantes, et d’autre part pour ses nombreuses applications potentielles. L…, Over the past years, flexible and wearable electronics have attracted growing interest due to their ability to function reliably even when undergoing significant deformation, as well as their wide range potential applications. Inkjet printing is one of the most promising techniques for large-area…

Physique [physics]. Université de Lille, 2026. Français. ⟨NNT : ⟩. ⟨tel-05778698⟩

Article dans une revue

Time‐Modulated Optomechanics Reveal Energy Flow and Inelastic Interactions Between Acoustic Phonons in Nanomembranes

Anuj Kumar Dhiman, Piotr Graczyk, Tobias Held, Mikolaj Pochylski, Kleoniki Sympoura, Rafal Bialek, Jacek Gapinski, Bahram Djafari-Rouhani, Baerbel Rethfeld, Bartlomiej Graczykowski, Thomas Vasileiadis

<div><p>An abrupt change in refractive index, known as a temporal interface, can cause temporal reflection, refraction, and diffraction of light, enabling the development of time-varying photonic devices. Since time-varying optics are based on ultrafast electronic excitations, the…

Laser and Photonics Reviews, 2026, 15 p. ⟨10.1002/lpor.72069⟩. ⟨hal-05834933⟩

Pré-publication, Document de travail

Modulations of the photoswitching performances of azobenzene-based molecular devices by the π-conjugated spacers.

Laurette-Apolline Jerro, Imen Hnid, Imane Arbouch, Yassine Ali, David Guérin, Alexis Elias, Colin van Dyck, Lionel Sanguinet, Jérôme Cornil, Stéphane Lenfant, Philippe Blanchard, Dominique Vuillaume

The nature of the π-conjugated spacer is a key element to tune the electrical conductance and optical switching properties of metal-spacer-azobenzene-metal molecular devices. We report that the azobenzene-based molecular junctions with a thiophene or a phenylthiophene spacer exhibit a high cis…

2026. ⟨hal-05800098⟩

Pré-publication, Document de travail

Evolution of dense liquid marbles under light tapping

Amaelle Sprocq, Théo Dhoudain, Alexis Duchesne, Guillaume Lagubeau

Liquid marbles interface is composed by a dense network of grains trapped by capillarity at their surface. The mix of capillarity and granular character make their interfaces remarkable, allowing non wetting, high mobility and strong robustness which are a basis for numerous applications. A…

2026. ⟨hal-05796937⟩

Pré-publication, Document de travail

Competing regimes of charge-carrier and impurity scattering limiting phonon heat conduction in heavily-doped silicon

Raja Sen, Juan Carlos Acosta Abanto, Mélanie Brouillard, Séverine Gomès, Jean-François Robillard, Alessandro Ciavatta, Lorenzo Paulatto, Nathalie Vast, Jérôme Saint-Martin, Jelena Sjakste, Pierre-Olivier Chapuis

With respect to undoped semiconductors, thermal transport by phonons is limited by two additional mechanisms when doping increases: charge-carrier and impurity scattering. Previous works provided contradicting conclusions on the dominant doping-induced scattering mechanism in silicon. In this work,…

2026. ⟨hal-05451267v2⟩