CALL FOR PAPERS: Materials for Carbon Neutral Energy Cycle and Carbon Negative Society

Excess carbon emissions have greatly impacted the human society...We  announce call for papers for Review/Original Articles, awaiting submissions on these topics by June 30, 2024.


  • Call for papers

    'Higher-order Functional Mesostructures’ focuses on the most recent innovations in hierarchical mesostructured materials based on nanotechnology and nanoarchitectonics.

  • Special Issue

    SPECIAL ISSUE | Hydrogels are of great interests from the viewpoints of their diverse applications such as disposal water absorbent, tissue engineering, drug delivery, etc. New synthetic techniques as well as analytical methods have opened new gates to intelligent and advanced hydrogel-related materials.

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  • Although atomically thin 2D materials have attracted great interest from their unique properties and promising applications, the integration of multiple 2D materials or their modifications are more exciting because they offer opportunities to explore new frontier of materials science. This perspective illustrates the new concept of “2.5-dimensional (2.5D) materials”, which symbolically represents the great potential offered by different routes to extend the realm of 2D materials. Some examples of 2.5D materials are reviewed, such as multicomponent heterostructures, intercalation, combination with other dimensional materials, functionalization, and application to 3D devices. In this perspective, we present the recent progress of this 2.5D materials research and future outlook.

    • Hiroki Ago
    • Pablo Solís-Fernández
    PerspectiveOpen Access
  • We report on conductive ultrathin films (referred to as “nanosheets”) with stretchability and water vapor permeability for skin-conformable bioelectrodes. By combining conductive fibrous networks of single-wall carbon nanotubes and poly(styrene-b-butadiene-b-styrene) continuous nanosheets (i.e., SWCNT-SBS nanosheets), the conductive nanosheet shows a high tolerance to bending on a model skin sheet and a high permeability to humidity. Finally, we demonstrate that the conductive nanosheet can detect the surface electromyogram signals from a subject’s forearm.

    • Tatsuhiro Horii
    • Kai Yamashita
    • Toshinori Fujie
    ArticleOpen Access
  • A pulsed laser created optical nanostructures (holograms) on hydrogel-based soft contact lenses. The nanostructures produced varying diffraction patterns in response to the environmental changes. Vision obstruction was considered while designing the nanostructure features on the lens surface. A change in curvature of the contact lens caused the nanostructure spacing to change, influencing the visible color of the hologram. A smartphone camera application was used to monitor the diffraction colors by analyzing the RGB color values.

    • Bader AlQattan
    • Mohamed Elsherif
    • Haider Butt
    ArticleOpen Access
  • Our investigation delves into the pulse-laser-induced emission of THz waves from a single layer of Co2MnGa thin film, emphasizing its notable anomalous Hall effect (AHE) stemming from its Weyl semimetallic characteristics. We establish robust correlations between THz emission, AHE, and the chemical structure of Co2MnGa thin films. Significantly, Co2MnGa films exhibit much larger THz emission compared to conventional CoFeB films. These findings introduce an innovative approach to designing spin-based THz emitters and promise to deepen our understanding of Weyl physics.

    • Ruma Mandal
    • Ren Momma
    • Shigemi Mizukami
    ArticleOpen Access
  • The world’s strongest iron-based superconducting magnet has been manufactured. Machine learning using Bayesian optimization was employed to improve the superconducting properties of potassium-doped barium iron arsenide (Ba,K)Fe2As2. Two large disk-shaped samples were fabricated using common industrial processing techniques under the best conditions deduced from data- and researcher-driven methods. After magnetizing the samples, they could retain a magnetic field of 2.83 T as a quasi-permanent magnet, around 2.7 times the previous record, with decay rates less than −0.1 ppm/h, crucial for MRI scanners. The two approaches produced divergent microstructures, opening the door to redefining what makes for a superior superconducting material.

    • Akiyasu Yamamoto
    • Shinnosuke Tokuta
    • Mark D. Ainslie
    ArticleOpen Access
  • The next-generation coronary artery stent by self-assembled coating: Self-assembled coatings in drug-eluting stents can bind biomaterials and offer several advantages over traditional coatings, including thinner structures, stronger binding capacity, and better biocompatibility. The encouraging achievements of self-assembled stent coatings include corrosion resistance, anti-fouling, anti-thrombogenicity, endothelialization, and targeted gene therapy. Future investigation and development of self-assembly in stent coatings will help improve the functionalities of self-assembled coatings in coronary artery stents and greatly extend their applications.

    • Feng Zhao
    • Feng Liu
    • Hui Xin
    Review ArticleOpen Access
  • The interplay of electron-electron and electron-lattice interactions plays an important role in determining exotic properties in strongly correlated electron systems. Here, we report the discovery of two distinct and simultaneous commensurate CDWs, Wigner crystal and Peierls-like instabilities, in Sr0.95NbO3.37 using resonant soft X-ray scattering. These CDWs arise from charge anisotropy and redistribution in Nb 4d – O 2p hybridization and influence transport and optical gaps. The strength of Wigner crystal is within the strong coupling limit. This study paves the way for utilizing RSXS to distinguish CDWs and calls for further investigation of electron‒electron and electron–lattice interactions in inorganic systems

    • Angga Dito Fauzi
    • Caozheng Diao
    • Andrivo Rusydi
    ArticleOpen Access
  • Adhesive polydimethylsiloxane (PDMS) film is successfully fabricated by casting process using thermoplastic polyurethane (TPU). During the curing process, the PDMS lightly cross-linked at the interface with the TPU exhibited a remarkable increase in adhesion properties. The catalytic reaction used for polymerization was regulated by the TPU, which is known to adsorb metal ions. This adhesive PDMS film (APF) demonstrated outstanding adhesion on various substrates under dry and underwater conditions and maintained adhesion even after repeated use. Our findings suggest that the APF could be used an effective waterproof patch by adhering to the surfaces of objects submerged in water.

    • Sangyeun Park
    • Minhyeok Kim
    • Hongyun So
    ArticleOpen Access
  • This study reports the direct observation of atomic density fluctuations in silica glass using angstrom-beam electron diffraction. The local atomic fluctuations are found to originate from quasi-periodic arrays of nanoscale columnar atomic configurations and interstitial tubular voids. The present study also reveals longer-range fluctuations associated with the shoulder of the first sharp diffraction peak. These findings may help to understand the properties and performance of materials.

    • Akihiko Hirata
    • Shuya Sato
    • Shinji Kohara
    ArticleOpen Access
Special issue on Hydrogels and Hydrogel-related Healing Materials

Hydrogels and Hydrogel-related Healing Materials

Hydrogels are of great interests from the viewpoints of their diverse applications such as disposal water adsorbent, tissue engineering, drug delivery, etc. New synthetic techniques as well as analytical methods have opened new gates to intelligent and advanced hydrogel-related materials. In combination with the broad term “healing”, the hydrogel-related materials have also been experiencing remarkable innovations. Some of the healing materials are designed for their own repair, others to assist the healing of the damaged bio-organisms. This special issue of NPG Asia Materials is focusing on the recent innovations related to hydrogels and hydrogel-related healing material, and presents state-of-the-art original articles as well as comprehensive reviews in this fast-growing field. Guest editor: Liping Wen, Chinese Academy of Science, China Submission Guideline:


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