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Dernières publications et brevets en physique de la matière condensée

Physique de la matière condensée

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Physique de la matière condensée
Emerging technologies and innovations in condensed matter physics drive advancements in material properties and applications.

La physique de la matière condensée étudie les propriétés émergentes de la matière résultant du comportement collectif de vastes ensembles d'atomes et d'électrons dans les solides et les liquides. Ce domaine explore des phénomènes tels que la supraconductivité, le magnétisme, la corrélation électronique et les phases topologiques, en utilisant des modèles théoriques et des techniques expérimentales pour caractériser les propriétés électroniques, magnétiques et structurales. La recherche couvre les transitions de phase quantiques, les systèmes de basse dimension, la spintronique et les nouveaux matériaux quantiques, contribuant à une meilleure compréhension des interactions fondamentales et ouvrant la voie à des applications technologiques. Notre sélection ci-dessous rassemble des articles scientifiques récents et des innovations brevetées qui enrichissent le paysage en constante évolution de la physique de la matière condensée :

Voici notre dernière sélection de publications et de brevets mondiaux en anglais sur la physique de la matière condensée, parmi de nombreuses revues scientifiques en ligne, classées et axées sur le réseau cristallin, la structure de bande, le ferromagnétisme, la supraconductivité, l'effet Hall quantique, les phonons, la spintronique, l'isolant topologique, la corrélation électronique, la surface de Fermi, la zone de Brillouin, magnétorésistance, onde de densité de charge, onde de spin, transition de phase quantique, système de faible dimension, électron fortement corrélé, isolant de Mott, localisation d'Anderson, verre de spin, condensat de Bose-Einstein, criticité quantique, fermion de Dirac, interaction électron-phonon, cristal liquide, nanostructure, liquide de spin quantique, fermion lourd et condensat d'exciton.

Surface-nanostructured cellulose gauze with terminally aminated low-molecular-weight cellulose for adsorbing bacteria

Published on 2026-06-15 by Yuuki Hata, Sayaka Okamoto, Yudai Mizuuchi, Hiroshi Tanaka, Takeshi Serizawa @NATURE

Abstract: Polymer Journal, Published online: 15 June 2026; doi:10.1038/s41428-026-01214-0We demonstrated the self-assembly of terminally aminated low-molecular-weight cellulose into nanostructures on gauze microfibers and the bacterial adhesion-promoting effects of the resulting nanostructured gauze across a wide range of protein concentrations. Terminally aminated low-molecular-weight cellulose formed either nanospike or nanofibrillar-network structures, depending on the solvent and coagulant used during[...]


Our summary: The study explores the self-assembly of terminally aminated low-molecular-weight cellulose into nanostructures on gauze microfibers. These nanostructures enhance bacterial adhesion through electrostatic interactions, even in protein-rich environments. Different solvent and coagulant conditions lead to varied nanostructure formations, influencing adhesion properties.

cellulose, nanostructures, bacterial adhesion, self-assembly

Publication

Investigating the synergistic effects of hybrid and bimodal filler networks on the out-of-plane thermal conductivity of polymer composites

Published on 2026-06-12 by Yonghyun Albert Kwon, Jaeyeon Kim, Jiseon Choi, Soojeong Jeong, Yunchan Lee, Ho Sun Lim, Jeong Ho Cho @NATURE

Abstract: Polymer Journal, Published online: 12 June 2026; doi:10.1038/s41428-026-01220-2We report a highly effective approach to improve the out-of-plane thermal conductivity of polymer prepregs by optimizing filler networks. Comparing monofiller, hybrid (h-BN/Al2O3), and bimodal (h-BN aggregates/powders) systems reveal that bimodal architectures successfully balance isotropic phonon transport with minimized interfacial thermal resistance. By utilizing chemically identical h-BN fillers with distinct morp[...]


Our summary: The study investigates the impact of hybrid and bimodal filler networks on the thermal conductivity of polymer composites. Bimodal architectures enhance phonon transport while reducing thermal resistance. The optimized prepreg achieves a thermal conductivity of 0.56 W/m·K with 25 wt% filler.

thermal conductivity, polymer composites, filler networks, bimodal systems

Publication

Aligned liquid crystal elastomer structures for mechanical damping

Patent published on the 2026-06-11 in US under Ref US20260159710 by OREGON STATE UNIV [US] (Cook Adam W [us], Leguizamon Samuel C [us], Bischoff Adam [us], Roach Devin [us])

Abstract: Direct ink write (DIW) 3D printing, an extrusion-based additive manufacturing (AM) approach, is used to prepare aligned, monodomain liquid crystal elastomer (LCE) lattice structures which can be used for multi-strain rate mechanical damping, ranging from quasi-static compression to dynamic shock and vibration. LCE structures can not only dissipate strain energy in quasi-static environments because of their lattice architectures, but also harness the dynamic energy dissipation properties of the a[...]


Our summary: Aligned liquid crystal elastomer structures are fabricated using direct ink write 3D printing. These structures enable effective mechanical damping across various strain rates. The invention enhances energy dissipation capabilities in both quasi-static and dynamic environments.

liquid crystal elastomers, mechanical damping, 3D printing, energy dissipation

Patent

Display apparatus

Patent published on the 2026-06-11 in US under Ref US20260160938 by LG DISPLAY CO LTD [KR] (Kim Dae Yong [kr], Kim Ji Gon [kr], Choi Eun Hee [kr], Lee Min Jin [kr], Kim Jin Ryun [kr])

Abstract: Disclosed is a display apparatus including a backlight unit including a backlight light guide plate, a plurality of backlight sheets located on a front surface of the backlight light guide plate, the backlight sheets having sheet holes respectively formed therein, and a backlight light source element configured to emit light to the backlight light guide plate, a liquid crystal panel located on a front surface of the backlight unit, and an optical module located on a portion of a back surface of [...]


Our summary: The display apparatus includes a backlight unit with a light guide plate and backlight sheets. It features a liquid crystal panel positioned on the front surface of the backlight unit. An optical module detects external light through aligned sheet holes in the backlight sheets.

display apparatus, backlight unit, liquid crystal panel, optical module

Patent

Development of steerable endovascular navigation device by liquid crystal elastomers

Patent published on the 2026-06-11 in WO under Ref WO2026122635 by THE REGENTS OF THE UNIV OF CALIFORNIA [CA] (Ramnes Pyam [us], Ghazinejad Maziar [us], Cai Shengqiang [us])

Abstract: In some embodiments, there is provided a steerable catheter. The steerable catheter may include a steerable tip configured disposed at a distal portion of the steerable catheter, wherein the steerable tip comprises at least one liquid crystal elastomer portion, wherein application of energy in the form of a current or a voltage on the at least one liquid crystal elastomer portion activates the at least one liquid crystal elastomer portion to cause the steerable tip to bend in X, Y, Z planes of t[...]


Our summary: A steerable catheter with a liquid crystal elastomer tip allows for navigation in endovascular procedures. The tip bends in multiple planes when activated by electrical energy. Related systems and methods enhance the functionality of this device.

steerable catheter, liquid crystal elastomers, endovascular navigation, energy activation

Patent

Display device having an ir camera for a vehicle

Patent published on the 2026-06-11 in WO under Ref WO2026120022 by AUO MOBILITY SOLUTIONS GERMANY GMBH [DE] (Taitto Anne [de], Antila Mika [de], Oikarinen Mari [de], Siekkinen Tuomas [de], Sasaki Hiroshi [de])

Abstract: The invention relates to a display device for a vehicle, comprising an LCD display and a liquid crystal layer, on the rear face of which a (second) polarization layer or a polarization filter with a rough anti-glare surface is located. Backlight of a backlighting unit emerges from the light-emitting side of said unit and backlights the LCD display. In addition, an IR light source also radiates IR radiation into the LCD display, the IR radiation likewise penetrating the polarization film on the r[...]


Our summary: The invention describes a display device for vehicles that integrates an LCD display with an IR camera. It features a rear polarization layer with a rough anti-glare surface to manage reflected IR radiation. A specific sub-region on the polarization film is designed to optimize IR transmission to the camera.

IR camera, LCD display, polarization layer, backlighting unit

Patent

Multilayer liquid crystal lens

Patent published on the 2026-06-11 in US under Ref US20260161031 by KOREA ELECTRONICS TECHNOLOGY INST [KR] (Kwon Soon Hyung [kr])

Abstract: [0000] A multilayer liquid crystal lens is disclosed. The multilayer liquid crystal lens includes a lens having one surface and another surface opposite to the one surface, and a plurality of liquid crystal layers formed on the one surface or the opposite surface of the lens. The plurality of liquid crystal layers refracts a part of light advancing from the opposite surface to the one surface in accordance with an alignment direction of liquid crystals in the plurality of liquid crystal layers a[...]


Our summary: A multilayer liquid crystal lens features two opposing surfaces and multiple liquid crystal layers. These layers manipulate light refraction based on their alignment direction. The lens can converge or diverge light depending on its surface shape.

multilayer lens, liquid crystal, light refraction, optical design

Patent

Overflow bricks, apparatus, and methods for stably producing substrate glass

Patent published on the 2026-06-11 in US under Ref US20260159434 by CAIHONG DISPLAY DEVICES CO LTD [CN] (Xu Jian [cn], Zhao Longjiang [cn], Luo Ting [cn], Ren Yongjing [cn], Hu Weidong [cn], Zhang Zhijun [cn])

Abstract: [0000] The present disclosure discloses overflow bricks, apparatus, and methods for stably producing substrate glass, and belongs to the technical field of manufacturing liquid crystal substrate glass. The overflow brick provided in the present disclosure adopts a split arched overflow brick structure, thereby weakening the influence of the overflow brick s own gravity on the production stability. Meanwhile, each of the support clamping devices with the L-shaped structure is introduced to counte[...]


Our summary: The disclosure presents overflow bricks and methods for producing substrate glass. It features a split arched structure to enhance production stability. Support clamping devices counteract creep effects by applying horizontal clamping force.

overflow bricks, substrate glass, manufacturing, production stability

Patent

Sujets abordés : Physique de la matière condensée, propriétés émergentes, supraconductivité, magnétisme, corrélation électronique, phases topologiques, modèles théoriques, techniques expérimentales, transitions de phase quantiques, systèmes de basse dimension, spintronique, matériaux quantiques, propriétés des matériaux, applications technologiques, articles scientifiques, innovations brevetées et interactions fondamentales.

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(si la date est inconnue ou non pertinente, par exemple « mécanique des fluides », une estimation arrondie de son émergence notable est fournie)

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