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Diamond particles have many interesting properties and possible applications. However, producing diamond particles with well-defined shapes at scale is challenging because diamonds are chemically inert and extremely hard. Here, we show air…

We are interested in the spectroscopic behaviour of a gas confined in a micrometric or even nanometric volume. Such a situation could be encountered by the filling-up of a porous medium, such as a photonic crystal, with an atomic gas. Here,…

原子物理 · 物理学 2009-11-13 Marco Romanelli , Isabelle Maurin , Petko Todorov , Chia-Hua Chan , Daniel Bloch

Exploiting elastic instability in thin films has proven a robust method for creating complex patterns and structures across a wide range of lengthscales. Even the simplest of systems, an elastic membrane with a lattice of pores, under…

软凝聚态物质 · 物理学 2012-10-18 Elisabetta A. Matsumoto , Randall D. Kamien

A powerful and flexible method of 3D nano-printing, based on focusing charged aerosol, has been developed. The self-consistent electric field configuration, created with a holey floating mask and used as the scaffold for printing…

应用物理 · 物理学 2018-12-14 Wooik Jung , Yoon-ho Jung , Peter V. Pikhitsa , Jooyeon Shin , Kijoon Bang , Jicheng Feng , Mansoo Choi

The exotic properties of two-dimensional (2D) materials and 2D heterostructures, built by forming heterogeneous multi-layered stacks, have been widely explored across a number of subject matters following the goal to invent, design, and…

介观与纳米尺度物理 · 物理学 2024-06-12 Chandraman Patil , Hamed Dalir , Jin Ho Kang , Albert Davydov , Chee Wei Wong , Volker J. Sorger

Quantum dots (QDs) have emerged as promising nanomaterials with unique optical and physical properties, making them highly attractive for various applications in biomedicine. This review provides a comprehensive overview of the types, modes…

Bismuth vanadate is one of most studied materials in the field of photocatalysis due to its high photocatalytic activity. The modulation of its optical properties can be engineered by fabricating photonic crystals in which bismuth vanadate…

光学 · 物理学 2023-08-16 Francesco Scotognella

Synthetic polymeric materials underpin fundamental technologies in the energy, electronics, consumer goods, and medical sectors, yet their development still suffers from prolonged design timelines. Although polymer informatics tools have…

计算工程、金融与科学 · 计算机科学 2025-06-12 Ayush Jain , Rampi Ramprasad

Metasurfaces are planar optical elements that hold promise for overcoming the limitations of refractive and conventional diffractive optics1-3. Dielectric metasurfaces demonstrated thus far4-10 are limited to transparency windows at…

Nowadays, most structural integrity concepts rely on simplified isotropic ma-terial data that are used within continuum mechanics modeling approaches. In contrast, modern casting and forming processes yield complex microstruc-tures coming…

材料科学 · 物理学 2019-10-01 Ulrich Krupp , Christian Haase , Wenwen Song , Wolfgang Bleck , Katrin Jahns

Three-dimensional (3D) topological Dirac semimetals (TDSs) represent a novel state of quantum matter that can be viewed as '3D graphene'. In contrast to two-dimensional (2D) Dirac fermions in graphene or on the surface of 3D topological…

We report on a new, single-step and scalable method to fabricate highly ordered, multi-directional and complex surface structures that mimic the unique morphological features of certain species found in nature. Biomimetic surface…

材料科学 · 物理学 2017-04-20 Evangelos Skoulas , Alexandra Manousaki , Costas Fotakis , Emmanuel Stratakis

3D printing of high-quality silica photonic structures is particularly challenging, as surface roughness at the nanoscale can severely degrade optical performance through scattering losses. Here, we develop a technique to fold ultrasmooth…

光学 · 物理学 2025-07-08 Manya Malhotra , Ronen Ben-Daniel , Fan Cheng , Tal Carmon

Two-dimensional materials can be combined by placing individual layers on top of each other, so that they are bound only by their van der Waals interaction. The sequence of layers can be chosen arbitrarily, enabling an essentially…

应用物理 · 物理学 2022-03-02 Jonas Haas , Finn Ulrich , Christoph Hofer , Xiao Wang , Kai Braun , Jannik C. Meyer

Atomically thin layered materials are systems with zero limit bulk-to-surface ratio. Their physical properties are determined by two-dimensionality and strongly affected by interfacing with other systems. Therefore, they represent an…

超导电性 · 物理学 2025-01-16 Tomas Samuely , Martin Gmitra , Tristan Cren , Mateo Calandra , Peter Samuely

In this work, we reconsider the study of 2D materials involving double lattice structures associated with periodic polygons. In tessellated periodic representation, it appears two periodic polygons of $k$ sides of unequal side lengths at…

材料科学 · 物理学 2019-05-30 Adil Belhaj , Salah Eddine Ennadifi

Plasmonic lasers provide a paradigm-changing approach for the generation of coherent light at the nanoscale. In addition to the usual properties of coherent radiation, the emission of plasmonic lasers can feature high sensitivity to the…

Engineering synthetic materials that mimic the remarkable complexity of living organisms is a fundamental challenge in science and technology. We study the spatiotemporal patterns that emerge when an active nematicfilm of microtubules and…

Extrusion-based 3D printing is a widely utilized tool in tissue engineering, offering precise 3D control of bioinks to construct organ-sized biomaterial objects with hierarchically organized cellularized scaffolds. The internal organization…

组织与器官 · 定量生物学 2024-12-31 V. T. Mai , R. Chatelin , E. -J. Courtial , C. Boulocher , R. Rieger

The Dirac equation is a paradigmatic model that describes a range of intriguing properties of relativistic spin-1/2 particles, from the existence of antiparticles to Klein tunneling. However, the Dirac-like equations have found application…