Incorporating multiple cations (Cu2⁺ and Cr3⁺) into the Mn3O4 spinel lattice strategically tunes the electronic structure, narrowing the bandgap from 2.3 to 1.49 eV. This enhances visible–NIR light absorption and photothermal conversion, enabling a high water evaporation rate of 4.1 kg m−2 h−1 under 1 sun.
Rana Muhammad Irfan +3 more
wiley +1 more source
Virtually coupled resonators with modal dominance for improved sensitivity and bandwidth. [PDF]
Zhang Z +5 more
europepmc +1 more source
Metamaterial Antennas Enhance MRI of the Eye and Occipital Brain
A radiofrequency antenna platform comprising planar and bend configurations is developed, incorporating structurally integrated epsilon‐negative metamaterial unit cells to enhance MRI. These antennas enable high‐resolution in vivo human MRI of the eye, orbit, and occipital brain. Comprehensive validation, including simulations, phantom experiments, SAR,
Nandita Saha +14 more
wiley +1 more source
Harnessing fano-like line shape resonance in a rectangular waveguide for filtering applications. [PDF]
Mimoun EA +6 more
europepmc +1 more source
Spin‐Dependent Photoluminescence in Carbon‐Based Quantum Dots
Here we report, for the first time, room‐temperature magneto‐photoluminescence and optically detected electron spin‐resonance in carbon quantum dots (CQD). We perform measurements on a series of amino acid derived CQD at room temperature and demonstrate their sensing potential by detecting paramagnetic molecules in solution.
Erin S. Grant +14 more
wiley +1 more source
A Novel 3D Probe for Near-Field Scanning Microwave Microscopy. [PDF]
Almuhlafi AM, Ramahi OM.
europepmc +1 more source
2D MOF with Intrinsic Porosity for Colorimetric Volatile Organic Compounds (VOCs) Detection
An uncommon 2D MOF with intrinsic in‐plane porosity that can be mechanically exfoliated undergoes a distinct and reversible colour change upon exposure to various volatile organic compounds. ABSTRACT In this work, we report an uncommon 2D metal–organic framework (MOF) with intrinsic in‐plane porosity that undergoes a distinct and reversible colour ...
Sergio R. Gamarra +4 more
wiley +1 more source
An ultra-stable MEMS resonator with ±14 ppb frequency stability realized by nonlinearity-mediated drift suppression. [PDF]
Xu Y, Wang C, Lv J, Shao G, Wei X.
europepmc +1 more source
Guest‐Induced Activation of Multicolor Photoluminescence in Naphthalene Bisimide Liquid Crystals
Supramolecular host–guest design in naphthalene bisimide liquid crystals activates charge‐transfer emission and enables continuous tuning of color (511–685 nm) and lifetime, spanning prompt fluorescence, TADF, and RTP. Electron‐rich guests and Pt(II) complexes modulate emissive states, while co‐assembled NBI complexes create an energy‐transfer cascade ...
Johannes Nowarra +3 more
wiley +1 more source
Compact Microstrip Fixed-Frequency Double-Coupled Double-Tuned Filter with Selected Band Suppression. [PDF]
Wójcik D, Surma M, Magnuski M.
europepmc +1 more source

