Atomic-Scale Insights into Topotactic Transformations in an Extra-Large-Pore Zeolite Using Time-Resolved 3D Electron Diffraction

Chemistry, Nanoscience, Catalysis, Chemical Engineering, Materials Science, Inorganic Non-Metallic Materials,
zeolite   topotactic transformation   time-resolved electron diffraction   extra-large-pore structure   atomic scale   materials engineering   solid-state reactions  

Academic Background Zeolites are microporous materials with regular channel structures, widely used in catalysis, adsorption, and ion exchange. Due to their unique pore structures and chemical properties, zeolites hold significant application value in petrochemicals, environmental protection, and energy storage. However, the synthesis and structura...

Influence of Crystal Shape and Orientation on the Magnetic Microstructure of Bullet-Shaped Magnetosomes Synthesized by Magnetotactic Bacteria

Chemistry, Nanoscience, Inorganic Chemistry, Materials Chemistry, Materials Science, Life Sciences, Microbiology,
Magnetotactic bacteria   Magnetosomes   Crystal shape   Magnetic anisotropy   Off-axis electron holography   Magnetite   Nanocrystals  

Magnetotactic Bacteria (MTB) are a group of microorganisms capable of biomineralizing magnetosomes. Magnetosomes are membrane-bound magnetic nanocrystals primarily composed of magnetite (Fe₃O₄) or greigite (Fe₃S₄). These magnetosomes are arranged in chains or specific orientations within bacterial cells, endowing the bacteria with a magnetic dipole...

Magnetite Nanoparticles as Metastable Biogeobatteries in Consecutive Redox Cycles

Chemistry, Nanoscience, Environmental Chemistry, Earth Sciences, Geochemistry, Life Sciences, Microbiology,
magnetite   nanoparticles   redox   dissolution   biogeobattery  

Iron (Fe) is one of the most abundant elements on Earth, widely present in soils and sediments, and participates in global carbon, nitrogen, and oxygen cycles. The redox reactions of iron play a crucial role in biogeochemical cycles, particularly in the processes of iron oxidation and reduction. Iron minerals, especially mixed-valent iron minerals ...

Ultra-High Filling Ratio of Non-Percolative Rapeseed-Shaped Liquid Metal Fiber Mats for Pressure Sensors via Electrospinning Aided Inhomogeneous Dispersion

Chemistry, Nanoscience, Polymer Chemistry, Materials Chemistry, Materials Science, Metallic Materials,
liquid metal   electrospinning   flexible capacitive sensors   rapeseed-shaped structure   inhomogeneous dispersion  

Background Introduction Flexible capacitive pressure sensors have broad application prospects in intelligent robotics, medical monitoring, and human-machine interaction due to their high sensitivity, fast response, and excellent mechanical flexibility. However, traditional dielectric elastomers typically have low dielectric constants, limiting the ...

Flexible, Visual, and Multifunctional Humidity-Strain Sensors Based on Ultra-Stable Perovskite Luminescent Filaments

Chemistry, Nanoscience, Polymer Chemistry, Materials Chemistry, Materials Science, Organic Polymeric Materials,
perovskite   luminescence   humidity sensor   strain sensor   multifunction   flexible   environment-friendly  

Academic Background With the rapid development of the Internet of Things and wearable electronics, the demand for smart sensors in fields such as physiological monitoring, smart clothing, and human-computer interaction has been increasing. In particular, flexible multifunctional sensors have attracted significant attention due to their potential ap...