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学者姓名：赵纯林
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Abstract ：
The coordination of multiple luminescent centers in a simple and efficient way is a difficult challenge for realizing the tunable multicolor function of fluorescent hydrogels. In this work, we synthesized a fluorescent hydrogel with multicolor conversion via a "one-pot method," which greatly simplifies the tedious steps of preparing fluorescent hydrogels. The luminescence intensity and color of the synthesized DPA-Eu/TPE@PVA hydrogel can be modulated by various stimuli, such as the excitation wavelength, pH, and presence of Fe3+ ions. The entire work centers on the rational introduction of the light-emitting molecule tetrakis(4-hydroxyphenyl)ethylene (TPE-4OH) and the lanthanide ionic complex 2,6-pyridinedicarboxylic acid-Eu (DPA-Eu) into the poly(vinyl alcohol) (PVA) polymer network. Since the luminescence mechanisms of these two molecules differ, with the former emitting light with the aid of the aggregation-induced emission (AIE) effect and the latter emitting light through energy transfer via metal dynamic coordination bonds, individual luminescent molecules can be controlled independently under specific stimuli. The realization of this tunable multicolor fluorescence function has contributed to its application in fields such as sensors, probes, and information encryption.
Keyword ：
aggregation-induced emission aggregation-induced emission fluorescenthydrogels fluorescenthydrogels informationencryption informationencryption metaldynamic ligand bonds metaldynamic ligand bonds multicolor multicolor rare earth ions rare earth ions stimulus responsiveness stimulus responsiveness
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| GB/T 7714 | Liao, Shijie , Li, Zhou , Ren, Lumin et al. Multicolor Tunable AIE Fluorescent Hydrogels Containing Europium Ionic Complexes via the "One-Pot Method" [J]. | ACS APPLIED POLYMER MATERIALS , 2025 , 7 (2) : 700-709 . |
| MLA | Liao, Shijie et al. "Multicolor Tunable AIE Fluorescent Hydrogels Containing Europium Ionic Complexes via the "One-Pot Method"" . | ACS APPLIED POLYMER MATERIALS 7 . 2 (2025) : 700-709 . |
| APA | Liao, Shijie , Li, Zhou , Ren, Lumin , Lin, Tengfei , Lin, Cong , Zhao, Chunlin et al. Multicolor Tunable AIE Fluorescent Hydrogels Containing Europium Ionic Complexes via the "One-Pot Method" . | ACS APPLIED POLYMER MATERIALS , 2025 , 7 (2) , 700-709 . |
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The introduction of dynamic covalent bonds into shape memory polymers (SMPs) has offered the possibility of reprocessing, but multifunctional modifications have not been sufficiently investigated. This work reported photoluminescence thermadapt two-way SMPs (2W-SMPs) based on syndiotactic 1,2-polybutadiene (SPB). The ZnS:Cu particles were modified to form beta-hydroxyester dynamic covalent bonds with epoxidized SPB (ESPB), and a dynamic reversible cross-linked network was constructed inside the shape memory polymer. The crystallization-melting characteristics of ESPB and the photoluminescence ability of ZnS:Cu endow the material with two-way shape memory and photoluminescence properties, respectively. Owing to the solid-state plasticity endowed by dynamic covalent bonds, the thermadapt 2W-SMPs can be recycled at high temperatures. In addition, we designed a "gripper" structure via its shape memory ability. The results showed that under variable temperature conditions, this material can successfully grasp objects. Its good photoluminescence effect ensures that the gripper structure can be accurately positioned in a dim environment.
Keyword ：
dynamic covalentbonds dynamic covalentbonds photoluminescence photoluminescence recycling recycling thermadapt thermadapt two-way shape memory polymers two-way shape memory polymers
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| GB/T 7714 | Feng, Wenliang , Xia, Biao , Lin, Tengfei et al. Photoluminescence Thermadapt Two-Way Shape Memory Polymers Based on Syndiotactic 1,2-Polybutadiene with Modified Phosphors [J]. | ACS APPLIED POLYMER MATERIALS , 2025 , 7 (2) : 978-989 . |
| MLA | Feng, Wenliang et al. "Photoluminescence Thermadapt Two-Way Shape Memory Polymers Based on Syndiotactic 1,2-Polybutadiene with Modified Phosphors" . | ACS APPLIED POLYMER MATERIALS 7 . 2 (2025) : 978-989 . |
| APA | Feng, Wenliang , Xia, Biao , Lin, Tengfei , Wu, Wentao , Wei, Junwen , Gao, Min et al. Photoluminescence Thermadapt Two-Way Shape Memory Polymers Based on Syndiotactic 1,2-Polybutadiene with Modified Phosphors . | ACS APPLIED POLYMER MATERIALS , 2025 , 7 (2) , 978-989 . |
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Photosynthesis of hydrogen peroxide (H2O2) represents a green and cost-effective approach. However, achieving dual-channel photocatalytic oxygen reduction reaction (ORR) and water oxidation reaction (WOR) faces huge challenges due to sluggish carrier transfer and unfavourable WOR thermodynamics for most photocatalysts. Herein, a piezoelectric Step-scheme heterojunction comprising BaTiO3 nanowires and CdS nanoclusters (BTNWCdS heterostructures) is designed for efficient dual-channel H2O2 production. By harnessing the polarization electric field of BTNW, an enhanced H2O2 production rate of 6454.4 mu mol g-1h-1 is achieved in the piezophotocatalytic process by applying the visible light and ultrasound, which is 15.28 times and 1.68 times higher than that of piezocatalysis and photocatalysis alone, respectively. Mechanism analysis confirms that the internal electric field of BTNW-CdS heterostructures not only facilitates two-electron ORR by improving charge separation efficiency, but also overcomes the high uphill thermodynamics of direct two-electron WOR. Notably, the incorporation of lactic acid reacts with photogenerated holes to produce protons, which further facilitates ORR. Our findings demonstrate the potential of utilizing the built-in electric field of piezoelectrics to promote charge-carrier separation and enhance photocatalytic efficiency.
Keyword ：
Hydrogen peroxide production Hydrogen peroxide production Photocatalysis Photocatalysis Piezo-photocatalysis Piezo-photocatalysis Polarization electric field Polarization electric field S -scheme heterostructure S -scheme heterostructure
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| GB/T 7714 | Ye, Yimiao , Zhao, Chunlin , Zhou, Junyi et al. Dual-Channel hydrogen peroxide Piezo-Photosynthesis over BaTiO3-CdS S-scheme heterojunction by the polarization electric field [J]. | APPLIED SURFACE SCIENCE , 2025 , 685 . |
| MLA | Ye, Yimiao et al. "Dual-Channel hydrogen peroxide Piezo-Photosynthesis over BaTiO3-CdS S-scheme heterojunction by the polarization electric field" . | APPLIED SURFACE SCIENCE 685 (2025) . |
| APA | Ye, Yimiao , Zhao, Chunlin , Zhou, Junyi , Jin, Shilin , Deng, Xiangda , Chen, Daqin et al. Dual-Channel hydrogen peroxide Piezo-Photosynthesis over BaTiO3-CdS S-scheme heterojunction by the polarization electric field . | APPLIED SURFACE SCIENCE , 2025 , 685 . |
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For environmentally benign lead-free ferroelectric ceramics, the trait of temperature-dependent phase boundary renders ceramics with intrinsic temperature sensitivity, obstructing them toward practical applications. Recently, laminated composite ceramics were widely implemented to solve temperature instability. However, such 2-2 type structure exhibits inherent limitations on properties promotion. Given this, the present work proposes a novel strategy of 3-3-like heterostructure engineering to tackle the problem. Compared to the laminated counterpart, 3-3-like ceramic shows boosted dielectric, ferroelectric and strain properties. Significantly, its electrocaloric (EC) operating range is expanded from 18 to 49 degrees C, two-fold wider than the laminated one, while a large EC temperature change of 0.66 K@30 kV/cm is maintained, which shows great property advantages to that of state-of-art lead-free ceramics. The superior performance benefits from the relatively uniform field dispersion of 3-3-like heterogeneity. As a contrast, sharp interface divergence causes abnormal field distribution and phase destabilization in laminated structure, which undermines the electrical properties and limits temperature stability. This work offers a favorable strategy for designing high-performance lead-free materials with desirable temperature reliability.
Keyword ：
3-3-like 3-3-like Barium titanate Barium titanate Heterostructure engineering Heterostructure engineering Lead-free Lead-free Temperature stability Temperature stability
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| GB/T 7714 | Wei, Xiaowei , Lv, Xiang , Cui, Anyang et al. Novel 3-3-like heterostructure engineering enables BaTiO3-based ferroelectric ceramics with superior electrocaloric performance [J]. | ACTA MATERIALIA , 2025 , 285 . |
| MLA | Wei, Xiaowei et al. "Novel 3-3-like heterostructure engineering enables BaTiO3-based ferroelectric ceramics with superior electrocaloric performance" . | ACTA MATERIALIA 285 (2025) . |
| APA | Wei, Xiaowei , Lv, Xiang , Cui, Anyang , Zhao, Chunlin , Ma, Yinchang , Zhang, Xi-Xiang et al. Novel 3-3-like heterostructure engineering enables BaTiO3-based ferroelectric ceramics with superior electrocaloric performance . | ACTA MATERIALIA , 2025 , 285 . |
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Piezoelectric materials (PEMs) can convert mechanical energy into electrical energy. Substantial works were performed to optimize PEMs and devices for smart sensing, human monitoring, and medical applications, however, their electromechanical behaviors under such scenarios with different applied frequencies remain unclear. Here, the frequency response behaviors of piezoelectric output current are revealed based on lead-free and lead-based PEMs toward advanced applications. The results show a linear relationship between output current and frequency under short-circuit condition, with the slope varying according to loading force (F) and piezoelectric coefficient (d33). However, when a load resistance (RL) is applied, a nonlinear relationship is shown: the current increases with frequency, reaches a critical point, and subsequently levels off. The saturation current is influenced by F, RL, d33, and device capacitance (C), while the critical frequency is related to RL, C, and action distance. This fundamental behavior of PEMs aligns with Maxwell's displacement current deducing and is wellsupported by circuit simulations and physical modeling. The universality of these results is further confirmed through lead-based PEMs. Open-circuit voltage is unaffected by f, while load voltage exhibits the same nonlinear frequency response as load current. Applying these findings by combining machine learning, human posture monitoring and robot motion recognition were achieved. This work gives a deep understanding of intrinsic frequency response behaviors of electromechanical conversion in PEMs and guides the emerging piezoelectric sensing and monitoring applications.
Keyword ：
Frequency response behaviors Frequency response behaviors Mathematical deducing and circuit simulations Mathematical deducing and circuit simulations Output current Output current Piezoelectric materials Piezoelectric materials Sensing and monitoring applications Sensing and monitoring applications
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| GB/T 7714 | Huang, Xi , Dong, Gaolei , Zhang, Yangdong et al. Decoding the intrinsic frequency response behaviors of piezoelectric output current toward advanced sensing and monitoring applications [J]. | NANO ENERGY , 2025 , 134 . |
| MLA | Huang, Xi et al. "Decoding the intrinsic frequency response behaviors of piezoelectric output current toward advanced sensing and monitoring applications" . | NANO ENERGY 134 (2025) . |
| APA | Huang, Xi , Dong, Gaolei , Zhang, Yangdong , Xu, Wei , Wu, Yourong , Zhao, Chunlin et al. Decoding the intrinsic frequency response behaviors of piezoelectric output current toward advanced sensing and monitoring applications . | NANO ENERGY , 2025 , 134 . |
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Eco-friendly BaTiO3 (BTO)-based materials have been intensively studied as efficient piezo-photocatalysts for the degradation of contaminants and water remediation. However, studies on pure BTO are limited due to weak light absorption, insufficient piezoelectric polarization, and poor catalytic performance. Herein, we used different liquid-phase methods to prepare pure BTO particles to enhance the piezo-photocatalytic performance through microstructural manipulation. Compared with the BTO prepared via the hydrothermal method (BTO-HT), the BTO-SG (prepared via the sol-gel method) exhibit smaller particles, larger specific surface area, greater concentration of oxygen vacancies, and larger bandgap energy, resulting in more active sites, stronger piezophotocatalytic ability, improved degradation performance for rhodamine B (97 % within 60 min) with a higher degradation rate constant (5.541 x 10- 2 min- 1) 7.96 times that of the BTO-HT. The catalytic performance of BTO-SG is superior to that of most previously reported BTO-based catalysts. Importantly, synergistic piezophotocatalysis is much better than single photocatalysis (k = 0.757 x 10- 2 min- 1) or piezocatalysis (k = 1.703 x 10- 2 min- 1). In addition, the BTO-SG particles maintained stable degradation performance in environments containing inorganic anions or with various pH values. The degradation mechanism of BTO-SG was proposed in combination with free radical detection and photoelectric tests. This study provides a design thought for exploring other highly efficient BTO-based piezo-photocatalysts for water environment treatment.
Keyword ：
BaTiO3 BaTiO3 Degradation Degradation Hydrothermal method Hydrothermal method Piezo-photocatalysis Piezo-photocatalysis Sol-gel method Sol-gel method
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| GB/T 7714 | Wang, Ying , Zhong, Shiqi , Zeng, Xiangfu et al. Microstructural manipulation and enhanced piezo-photocatalytic performance of sol-gel-derived pure BaTiO3 particles [J]. | CERAMICS INTERNATIONAL , 2025 , 51 (3) : 3960-3969 . |
| MLA | Wang, Ying et al. "Microstructural manipulation and enhanced piezo-photocatalytic performance of sol-gel-derived pure BaTiO3 particles" . | CERAMICS INTERNATIONAL 51 . 3 (2025) : 3960-3969 . |
| APA | Wang, Ying , Zhong, Shiqi , Zeng, Xiangfu , Lin, Mei , Lin, Cong , Lin, Tengfei et al. Microstructural manipulation and enhanced piezo-photocatalytic performance of sol-gel-derived pure BaTiO3 particles . | CERAMICS INTERNATIONAL , 2025 , 51 (3) , 3960-3969 . |
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The intricate composition of real-world aquatic systems significantly constrains the improved overall performance of powder catalysts, meanwhile their recyclability is inferior to the bulk counterparts (e.g. aerogels). Herein, by loading BiOBr onto g-C3N4 nanosheets and combining them with agarose, an S-scheme heterojunction aerogel (abbreviated as BCA) was synthesized, whose structure was confirmed by the density functional theory calculation. Importantly, the BCA could activate peroxymonosulfate (PMS) under simulated sunlight for degrading multi-pollutant. And the BCA/PMS/Light system efficiently degraded various organic contaminants in aqueous environments, achieving a high degradation rate constant of 0.1503 min- 1 for rhodamine B (RhB), significantly surpassing the performance of CA/PMS/Light (0.0378 min- 1) and BCA/PMS (0.0763 min- 1) systems. Free radical quenching experiment and electron paramagnetic resonance analysis reveal that 1O2, center dot O2-, center dot OH and SO4 center dot- in the BCA/PMS/Light system were pivotal in RhB degradation, with a dominant non-radical mechanism. Additionally, Fukui function analysis pinpointed the primary reaction sites within the RhB molecule. The photocatalytic heterojunction aerogel exhibits outstanding stability, environmental sustainability and versatility, which can guide the development of simulated sunlight-driven PMS activation for multi-pollutant degradation, catering for scalable water treatment applications.
Keyword ：
Aerogel heterojunction Aerogel heterojunction BiOBr BiOBr PMS activation PMS activation Pollutant degradation Pollutant degradation
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| GB/T 7714 | Wu, Yourong , Dong, Gaolei , Zhang, Yangdong et al. Simulated sunlight-enhanced peroxymonosulfate activation via S-scheme BiOBr/g-C3N4 aerogel heterojunction for multi-pollutant remediation: Band structure and interface engineering [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 691 . |
| MLA | Wu, Yourong et al. "Simulated sunlight-enhanced peroxymonosulfate activation via S-scheme BiOBr/g-C3N4 aerogel heterojunction for multi-pollutant remediation: Band structure and interface engineering" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 691 (2025) . |
| APA | Wu, Yourong , Dong, Gaolei , Zhang, Yangdong , Huang, Xi , Jiang, Xingan , Lin, Mei et al. Simulated sunlight-enhanced peroxymonosulfate activation via S-scheme BiOBr/g-C3N4 aerogel heterojunction for multi-pollutant remediation: Band structure and interface engineering . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 691 . |
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Electrocaloric cooling based on ferroelectrics is an eco-friendly technology. BaTiO3 (BT)-based ferroelectric ceramics possess a high electrocaloric effect, which is significantly affected by grain size. Herein, fine and large grains' contributions to electrocaloric and related properties in BT-based ceramics are revealed via tuning sintered dwelling time (ts) in discontinuous grain growth (DGG) process with fine and large grains coexistence. With increasing ts, grain size change can be divided into two stages. The main change is the large-grain size (>100–200 μm) and number in the beginning DGG stage, and the properties' evolutions are mainly contributed by large grain change. The bigger grain size of large and fine grains contributes to the higher electrocaloric property, sharper phase transition, ferroelectric polarization (change rate), and coercive field. In the subsequent stage, fine grains gradually grow up (∼4.0–5.0 μm) while large-grain size decreases slightly. Here the properties' evolutions are influenced by the competitive contributions between fine and large grains. Large grain contribution is mainly attributed to the domain size effect, and fine grain contribution should embrace the domain size effect and grain-boundary pinning effect. This work contributes to a broad understanding of fine/large grain contributions in the promising BT-based electrocaloric ceramics. © 2024 Elsevier B.V.
Keyword ：
BaTiO3-based ceramics BaTiO3-based ceramics Discontinuous grain growth Discontinuous grain growth Dwelling time of sintering Dwelling time of sintering Electrocaloric properties Electrocaloric properties Fine and large grain contributions Fine and large grain contributions
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| GB/T 7714 | Huang, X. , Li, H. , Xu, W. et al. Dwelling time influences on discontinuous grain growth and fine/large grain contributions in barium titanate-based electrocaloric ceramics [J]. | Journal of Alloys and Compounds , 2024 , 1004 . |
| MLA | Huang, X. et al. "Dwelling time influences on discontinuous grain growth and fine/large grain contributions in barium titanate-based electrocaloric ceramics" . | Journal of Alloys and Compounds 1004 (2024) . |
| APA | Huang, X. , Li, H. , Xu, W. , Zhao, C. , Wu, X. , Gao, M. et al. Dwelling time influences on discontinuous grain growth and fine/large grain contributions in barium titanate-based electrocaloric ceramics . | Journal of Alloys and Compounds , 2024 , 1004 . |
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Transparent dielectric ceramics with ultrafast discharge rates and gigantic power densities are ideal candidates for transparent pulse capacitors (TPCs). However, the requirement of a high external electric field and inferior temperature stability hinder practical applications. (Bi0.5Na0.5)TiO3-based ceramics exhibit large polarization and two characteristic dielectric peaks, easy to obtain high energy-storage density under low electric fields (low-E) and maintain stable energy-storage performance (ESP) within a wide temperature range. However, their low optical transmittance (T%) limits their development into TPCs. In this work, to concurrently obtain high T% and excellent ESP and stability under low-E conditions, we propose a collaborative optimization strategy for determining the regulations of grain size, bandgap energy and domain structure. The results show that the pellucidity and energy-storage characteristics improve with decreasing grain and domain sizes. A relatively high T% of 45.6 % (at 710 nm) and recoverable energy-storage density (Wrec ∼ 3.46 J cm−3 at 197 kV cm−1) are obtained for the (1-x)[0.85(Bi0.5-3yNa0.5-yYb3yHoyTiO3)-0.15SrZrO3]-xBaHfO3 ceramics. Additionally, the dielectric temperature stability also results in splendid storage temperature stability (ΔWrec/Wrec < 3.1 % in the range of 0–200 °C). Importantly, codoping Ho/Yb in the ceramics induces excellent fluorescence temperature sensing feature. The multifunctional TPCs have application potential in the field of search and rescue signal transmission, providing ideas for developing novel optoelectronic devices. © 2024
Keyword ：
Fluorescence temperature sensing Fluorescence temperature sensing Low-E energy storage Low-E energy storage Relaxor ferroelectrics Relaxor ferroelectrics Thermal stability Thermal stability Transparent ceramics Transparent ceramics
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| GB/T 7714 | Zeng, X. , Jiang, X. , Lin, J. et al. Excellent low-E energy storage and fluorescence temperature sensing features in Bi0.5Na0.5TiO3-based transparent ceramics [J]. | Chemical Engineering Journal , 2024 , 496 . |
| MLA | Zeng, X. et al. "Excellent low-E energy storage and fluorescence temperature sensing features in Bi0.5Na0.5TiO3-based transparent ceramics" . | Chemical Engineering Journal 496 (2024) . |
| APA | Zeng, X. , Jiang, X. , Lin, J. , Lin, Q. , Wang, S. , Wu, Y. et al. Excellent low-E energy storage and fluorescence temperature sensing features in Bi0.5Na0.5TiO3-based transparent ceramics . | Chemical Engineering Journal , 2024 , 496 . |
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Despite the pivotal role of stannum doping in achieving ultrahigh piezoelectric performance in barium titanate-based ceramics, the fundamental mechanisms underlying this enhancement remain elusive. Here, we introduce a single variable nonstoichiometric stannum strategy in lead-free barium titanate-based ceramics with giant piezoelectricity, revealing that stannum doping contributes intrinsically and extrinsically to enhance piezoelectricity. Density functional theory calculations elucidate the intrinsic enhancement of polarization arising from lattice distortion and increased space for titanium-oxygen bonds induced by optimal stannum doping, which is corroborated by Rayleigh analysis. A phase transition from ferroelectric multiphase coexistence to paraelectric phase is observed, alongside a rapid miniaturized and eventually disappeared domains with increasing stannum doping. This evolution in phase structure and domain configuration induces a nearly vanishing polarization anisotropy and low domain wall energy, facilitating easy polarization rotation and domain wall motion, thereby significantly contributing to the extrinsic piezoelectric response. Consequently, the origins of ultrahigh performance can be attributed to the synergistic effect of stannum-induced intrinsic and extrinsic contributions in barium titanate-based ceramics. This study provides fundamental insights into the role of doping elements and offers guidance for the design of high-performance piezoelectrics. © The Author(s) 2024.
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| GB/T 7714 | Wu, B. , Zheng, H. , Wu, Y.-Q. et al. Origin of ultrahigh-performance barium titanate-based piezoelectrics: Stannum-induced intrinsic and extrinsic contributions [J]. | Nature Communications , 2024 , 15 (1) . |
| MLA | Wu, B. et al. "Origin of ultrahigh-performance barium titanate-based piezoelectrics: Stannum-induced intrinsic and extrinsic contributions" . | Nature Communications 15 . 1 (2024) . |
| APA | Wu, B. , Zheng, H. , Wu, Y.-Q. , Huang, Z. , Thong, H.-C. , Tao, H. et al. Origin of ultrahigh-performance barium titanate-based piezoelectrics: Stannum-induced intrinsic and extrinsic contributions . | Nature Communications , 2024 , 15 (1) . |
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