Search Results - "Yao, Fang‐Zhou"
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High-Temperature Dielectric Materials for Electrical Energy Storage
Published in Annual review of materials research (01-07-2018)“…The demand for high-temperature dielectric materials arises from numerous emerging applications such as electric vehicles, wind generators, solar converters,…”
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2
Bioinspired Hierarchically Structured All‐Inorganic Nanocomposites with Significantly Improved Capacitive Performance
Published in Advanced functional materials (01-06-2020)“…Lead‐free dielectric ceramics have been the spotlight in the search for environmentally benign materials for electrostatic energy storage because of the…”
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(K, Na)NbO3-Based Lead-Free Piezoceramics: Fundamental Aspects, Processing Technologies, and Remaining Challenges
Published in Journal of the American Ceramic Society (01-12-2013)“…Environment‐friendly lead‐free piezoelectric ceramics have been studied extensively in the past decade with great progress particularly in systems based on a…”
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4
Temperature-Insensitive (K,Na)NbO3-Based Lead-Free Piezoactuator Ceramics
Published in Advanced functional materials (06-09-2013)“…The development of lead‐free piezoceramics has attracted great interest because of growing environmental concerns. A polymorphic phase transition (PPT) has…”
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5
Piezoelectric Materials and Sensors for Structural Health Monitoring: Fundamental Aspects, Current Status, and Future Perspectives
Published in Sensors (Basel, Switzerland) (01-01-2023)“…Structural health monitoring technology can assess the status and integrity of structures in real time by advanced sensors, evaluate the remaining life of…”
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6
Diffused Phase Transition Boosts Thermal Stability of High-Performance Lead-Free Piezoelectrics
Published in Advanced functional materials (23-02-2016)“…High piezoelectricity of (K,Na)NbO3 (KNN) lead‐free materials benefits from a polymorphic phase transition (PPT) around room temperature, but its temperature…”
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7
Isolated‐Oxygen‐Vacancy Hardening in Lead‐Free Piezoelectrics
Published in Advanced materials (Weinheim) (01-07-2022)“…Defect engineering is a well‐established approach to customize the functionalities of perovskite oxides. In demanding high‐power applications of piezoelectric…”
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Synergetic Chemo‐Piezodynamic Therapy of Osteosarcoma Enabled by Defect‐Driven Lead‐Free Piezoelectrics
Published in Advanced functional materials (01-10-2022)“…Osteosarcoma (OS) is a lethal malignancy of the bone, jeopardizing the life of an enormous population worldwide. There are grand ongoing challenges to improve…”
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9
Multi‐Length Engineering of (K, Na)NbO3 Films for Lead‐Free Piezoelectric Acoustic Sensors with High Sensitivity
Published in Advanced functional materials (18-03-2024)“…With increasing concerns about noise pollution, the pursuit of highly dependable piezoelectric acoustic sensors for real‐time noise monitoring has come to the…”
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10
Deciphering the phase transition-induced ultrahigh piezoresponse in (K,Na)NbO3-based piezoceramics
Published in Nature communications (15-06-2022)“…Here, we introduce phase change mechanisms in lead-free piezoceramics as a strategy to utilize attendant volume change for harvesting large electrostrain. In…”
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11
Enhanced bipolar fatigue resistance in BaZrO3‐modified (K,Na)NbO3 lead‐free piezoceramics
Published in Journal of the American Ceramic Society (01-01-2025)“…0.92(K0.5Na0.5)NbO3‐0.02(Bi0.8Li0.2)TiO3‐0.06BaZrO3 (BZ6) is a lead‐free piezoelectric ceramic with excellent piezoelectric performance (such as the normalized…”
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12
Heterogeneous multilayer dielectric ceramics enabled by ultralow‐temperature self‐constrained sintering
Published in Journal of the American Ceramic Society (01-01-2020)“…In the present work, heterogeneous multilayer ceramics based on two representative dielectrics, low‐K Li2MoO4 (LM) and high‐K [(Li0.5Bi0.5)xBi1−x][MoxV1−x]O4…”
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13
Identifying the Interfacial Polarization in Non‐stoichiometric Lead‐Free Perovskites by Defect Engineering
Published in Angewandte Chemie International Edition (20-02-2023)“…Recent advances in perovskite ferroelectrics have fostered a host of exciting sensors and actuators. Defect engineering provides critical control of the…”
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14
Enhanced bipolar fatigue resistance in CaZrO3-modified (K,Na)NbO3 lead-free piezoceramics
Published in Applied physics letters (16-06-2014)“…The bipolar fatigue behavior of (K,Na)NbO3 (KNN)-based lead-free piezoceramics was investigated. A comparative analysis demonstrated that CaZrO3-modified KNN…”
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15
Nanodomain Engineered (K, Na)NbO3 Lead-Free Piezoceramics: Enhanced Thermal and Cycling Reliabilities
Published in Journal of the American Ceramic Society (01-02-2015)“…The growing environmental concerns have been pushing the development of viable green alternatives for lead‐based piezoceramics to be one of the priorities in…”
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Electromechanical properties of CaZrO3 modified (K,Na)NbO3‐based lead‐free piezoceramics under uniaxial stress conditions
Published in Journal of the American Ceramic Society (01-05-2017)“…Piezoelectric actuators are typically preloaded with a modest mechanical compressive stress during actuation to reduce cracking and allow for operation in the…”
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17
Composition Inhomogeneity due to Alkaline Volatilization in Li-Modified (K, Na)NbO3 Lead-Free Piezoceramics
Published in Journal of the American Ceramic Society (01-09-2013)“…Alkaline volatilization during sintering in (K, Na)NbO3 (KNN)‐based lead‐free piezoceramics is a problem that causes non‐stoichiometry and hence affects the…”
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18
Fatigue-free unipolar strain behavior in CaZrO3 and MnO2 co-modified (K,Na)NbO3-based lead-free piezoceramics
Published in Applied physics letters (04-11-2013)“…The unipolar fatigue behavior of CaZrO3 and MnO2 co-modified (K,Na,Li)(Nb,Ta)O3 lead-free piezoceramics was investigated systematically. The well-known charge…”
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19
Composition Regulation of Potassium Sodium Niobate Thin Films through Post-Annealing under Alkali Element Atmospheres
Published in Nanomaterials (Basel, Switzerland) (30-01-2024)“…Amorphous potassium sodium niobate (KNN) films were synthesized at 300 °C through the radio frequency magnetron sputtering method and subsequently crystallized…”
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Intergranular Stress Induced Phase Transition in CaZrO3 Modified KNN-Based Lead-Free Piezoelectrics
Published in Journal of the American Ceramic Society (01-04-2015)“…The phase transition temperatures of CaZrO3‐doped (Na0.49K0.49Li0.02)(Nb0.8Ta0.2)O3 lead‐free piezoelectrics (LKNNT‐CZ5) have been studied with X‐ray…”
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