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Instruments / Technical Area	Publication Details	Published	Actions
I15-1-X-ray Pair Distribution Function (XPDF)	Advanced stability and energy storage capacity in hierarchically engineered Bi0.5Na0.5TiO3-based multilayer capacitors Weichen Zhao , Zhaobo Liu , Diming Xu , Ge Wang , Da Li , Jinnan Liu , Zhentao Wang , Yan Guo , Jiajia Ren , Tao Zhou , Lixia Pang , Hongwei Yang , Wenfeng Liu , Houbin Huang , Di Zhou Nature Communications 16 DOI: 10.1038/s41467-025-61936-2 Diamond Proposal Number(s): [34380] Open Access Show Abstract ▼ Abstract: Multilayer ceramic capacitors are cornerstone components of modern electronic systems. Yet ensuring reliability under demanding operational conditions, such as elevated temperatures and prolonged cycling, while achieving holistic optimization of recoverable energy density and efficiency remains a significant challenge. Herein, we implement a polar glass state strategy that catalyzes a profound enhancement in energy storage performance by modulating dynamic and thermodynamic processes. This approach minimizes hysteresis loss and improves breakdown strength through hierarchical structural engineering, disrupting nano-domains and refining grains. An ultra-high recoverable energy density of 22.92 J cm−3 and exceptional efficiency of 97.1%, accompanied with state-of-the-art high-temperature stability are achieved in Bi0.5Na0.5TiO3-based multilayer ceramic capacitors. This strategy promises to be a transformative blueprint for developing cutting-edge dielectric capacitors for high-temperature applications.	Jul 2025
I15-1-X-ray Pair Distribution Function (XPDF) I15-Extreme Conditions	Multiple local symmetries result in a common average polar axis in high-strain BiFeO3-based ceramics Ge Wang , Tengfei Hu , Wenxuan Zhu , Zhilun Lu , Annette Kleppe , Maria Diaz Lopez , Antonio Feteira , Derek C. Sinclair , Zhengqian Fu , Houbing Huang , Dawei Wang , Ian M. Reaney Physical Review Letters 130 DOI: 10.1103/PhysRevLett.130.076801 Diamond Proposal Number(s): [21714, 27500] Show Abstract ▼ Abstract: For the first time, the origin of large electrostrain in pseudocubic BiFeO 3 -based ceramics is verified with direct structural evidence backed by appropriate simulations. We employ advanced structural and microstructural characterizations of BiFeO 3 -based ceramics that exhibit large electrostrain ( > 0.4 % ) to reveal the existence of multiple, nanoscale local symmetries, dominantly tetragonal or orthorhombic, which have a common, averaged direction of polarization over larger, meso- or microscale regions. Phase-field simulations confirm the existence of local nanoscale symmetries, thereby providing a new vision for designing high-performance lead-free ceramics for high-strain actuators.	Feb 2023

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