Advanced Functional Materials, EarlyView.High‐entropy perovskite nanofibers serve as robust and active bifunctional air electrodes in reversible protonic ceramic electrochemical cells. Their compositional complexity stabilizes the lattice, enriches oxygen vacancies, and accelerates surface exchange.
Hyeonggeun Kim +4 more
wiley +1 more source
Near-Field Source Localization in Nonuniform Noise: An Efficient Symmetric Matrix Factorization-Based Approach. [PDF]
Sensors (Basel)Song W, He Z, Sun G, Feng S.
europepmc +1 more source
Parallel Structurally-Symmetric Sparse Matrix-Vector Products on Multi-Core Processors [PDF]
, 2013 Vicente H. F. Batista +2 more
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Reconfigurable Magnetic Soft Microrobot for Acoustically Triggered Targeted Bacterial Sterilization
Advanced Functional Materials, EarlyView.Reconfigurable magnetic soft microrobots integrate in situ‐grown piezoelectric zinc oxide nanorods that produce reactive oxygen species upon acoustic excitation. Combining magnetically guided transport with thermally induced planar reconfiguration, the microrobots achieve targeted delivery and enhanced bacterial sterilization through efficient on ...
Quan Gao +12 more
wiley +1 more source
High-Efficiency Single-Phase Matrix Converter With Diverse Symmetric Bipolar Buck and Boost Operations [PDF]
, 2020 Hafiz Furqan Ahmed +3 more
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Precursor Mineral Phases of Forming Mollusk Shell Nacre: A Study of Hydrated Samples
Advanced Functional Materials, EarlyView.Mineral, organic phase, and water are the essential components in mollusk shell nacre formation. Their interplay is not well understood, because the hydrated material is difficult to observe at high resolution, under close to native conditions. Forming nacre is studied using environmental and cryo‐electron microscopy and hydrated ACC phases, together ...
Anna Kozell +4 more
wiley +1 more source
An efficient image encryption model based on 6D hyperchaotic system and symmetric matrix for color and gray images. [PDF]
HeliyonPanwar A +4 more
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Advanced Functional Materials, EarlyView.This study demonstrates a Maya blue‐inspired hybrid solar evaporator using commercial black acrylic paint, achieving 98% solar‐thermal conversion efficiency and 2.39 kg m−2 h−1 water evaporation rate through a durable, hydrophilic organic–inorganic structure that enables scalable, cost‐effective desalination and wastewater purification.
Dao Thi Dung +5 more
wiley +1 more source
Sensitive detection of cancer and brain tissues using a miniaturized PT-symmetric nanophotonic biosensor based on exceptional points. [PDF]
Sci RepMohammadpour A, Vala AS, Barvestani J.
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Does a Singular Symmetric Interval Matrix Contain a Symmetric Singular Matrix?
, 2019 We consider the conjecture formulated in the title concerning existence of a symmetric singular matrix in a singular symmetric interval matrix. We show by means of a counterexample that it is generally not valid, and we prove that it becomes true under an additional assumption of positive semide niteness of the midpoint matrix.
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