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The Pull of Tissue engineering: A STEM Outreach program with a Modular Cyclic Stretch Device to Engage High School Students

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biomedical engineering Education 2021年第1期2卷 31-39页

作者： Ozdemir, Tugba Senocak, Erdal Gerber, Gene Tayhan, Secil Erden Brown, Justin L. Biomedical Engineering Program Chemical and Biological Engineering Department South Dakota School of Mines and Technology Rapid City USA Department of Science Education Tokat Gaziosmanpasa University Tokat Turkey Department of Biomedical Engineering The Pennsylvania State University State College USA Department of Genetics and Bioengineering Tokat Gaziosmanpasa University Tokat Turkey

In this paper we designed a STEM outreach program with a modular tissue engineering education tool (we refer to as “modular cyclic-stretch device”) to engage high school students in STEM hands-on activities. Using simple machines such as gears and rotating cams, students were able to build a custom device to apply cyclic stretch to biomaterials. With the help of this hands-on activity, our outreach program helped students grasp tendon tissue biomechanics and understand the importance of applying biomechanical force to regenerate tendon tissue in a laboratory setting. The two-day outreach program comprised: 1. pre- and post-tests; 2. lectures; 3. laboratory sessions, including the microscopic examination of stained tissue sections and a hands-on group activity employing the modular cyclic-stretch device; and 4. homework. Assessment results suggest that our program supports improved student awareness and interest in tissue engineering as a future profession. The program elevated students’ confidence in their ability to apply engineering principles to tasks such as building a modular cyclic-stretch device and measuring the mechanical properties of biological tissues. Building an educational bioreactor improved students’ understanding of the dynamic nature of the human body and the importance of tissue engineering as an emerging discipline towards replacing or regenerating damaged organs. We propose that our modular device has great outreach potential to introduce tissue engineering concepts to high school and potentially college freshmen engineering students.

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Challenges for and Pathways toward Li-MetalBased All-Solid-state Batteries

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ACS ENERGY LETTERS 2021年第4期6卷 1399-1404页

作者： Albertus, Paul Anandan, Venkataramani Ban, Chunmei Balsara, Nitash Belharouak, Ilias Buettner-Garrett, Josh Chen, Zonghai Daniel, Claus Doeff, Marca Dudney, Nancy J. Dunn, Bruce Harris, Stephen J. Herle, Subramanya Herbert, Eric Kalnaus, Sergiy Libera, Joesph A. Lu, Dongping Martin, Steve McCloskey, Bryan D. McDowell, Matthew T. Meng, Y. Shirley Nanda, Jagjit Sakamoto, Jeff Self, Ethan C. Tepavcevic, Sanja Wachsman, Eric Wang, Chunsheng Westover, Andrew S. Xiao, Jie Yersak, Thomas Department of Chemical and Biomolecular Engineering University of Maryland College Park Maryland 20742 United States Ford Motor Company Dearborn Michigan 48121 United States Mechanical Engineering Department University of Colorado Boulder Colorado 80309 United States Department of Chemical and Biomolecular Engineering and Lawrence Berkeley National Laboratory Materials Sciences Division University of California Berkeley California 94720 United States Energy and Transportation Science Division Oak Ridge National Laboratory Oak Ridge Tennessee 37831 United States Solid Power Inc. Louisville Colorado 80027 United States Chemical Sciences and Engineering Division Argonne National Laboratory 9700 South Cass Avenue Argonne Illinois 60439 United States Lawrence Berkeley National Laboratory Energy Storage and Distributed Resources Division University of California Berkeley California 94720 United States Department of Materials Science and Engineering University of California Los Angeles California 90095 United States Applied Materials Inc. 3225 Oakmead Village Drive B12_2F6 Santa Clara California 95054 United States Department of Materials Science and Engineering Michigan Technological University Houghton Michigan 49931 United States Energy and Environmental Directorate Pacific Northwest National Laboratory Richland Washington 99352 United States Department of Materials Science & Engineering Iowa State University of Science & Technology Ames Iowa 50011 United States Woodruff School of Mechanical Engineering and School of Materials Science and Engineering Georgia Institute of Technology Atlanta Georgia 30332 United States Department of NanoEngineering and Materials Science and Engineering Program University of California San Diego La Jolla California 92093 United States Department of Materials Science and Engineering and Department of Mechanical Engineering University of Michigan Ann Arbor Michigan 48109 United States Chemical and Materials Systems Laborat

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Gelatin-stabilized traditional emulsions:Emulsion forms,droplets,and storage stability

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Food science and Human Wellness 2020年第4期9卷 320-327页

作者： Mengzhen Ding Ting Zhang Huan Zhang Ningping Tao Xichang Wang Jian Zhong National R&D Branch Center for Freshwater Aquatic Products Processing Technology(Shanghai) Integrated Scientific Research Base on Comprehensive Utilization Technology for By-Products of Aquatic Product ProcessingMinistry of Agriculture and Rural Affairs of the People’s Republic of ChinaShanghai Engineering Research Center of Aquatic-Product Processing and PreservationCollege of Food Science&TechnologyShanghai Ocean UniversityShanghai 201306China Iowa State University Ames LaboratoryAmesIA 50011USA

Fish oils are important substances in the field of food and drug *** to their unstable double bonds,fishy taste,and poor water solubility,it is pivotal to investigate novel dosage forms for fish oils,such as encapsulated *** this work,we primarily prepared gelatin-stabilized fish oil-loaded traditional emulsions and investigated their emulsion forms,droplets,and storage stability under different preparation and storage *** results showed that higher gelatin solution pH,higher storage temperature in the range of 4–37℃,and increased storage time induced the emulsion form switch from a liquid form to a redispersible gel form of the fish oil *** droplets had core-shell microstructures and a trimodal size distribution,which decreases linearly with increasing gelatin solution pH and homogenizing time,but decreases exponentially with increasing homogenizing *** addition,storage temperature showed a notably different effect on traditional emulsion *** work provides a fundamental knowledge for the formation,microstructure,and properties of gelatin-based traditional *** also provides a promising new application for fish oil-loaded emulsions in food beverages,soft candy,and other food products.

关键词： Emulsion form Fish oil Gelatin Homogenizing conditions pH

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Multimodal imaging of the mouse eye using visible light photoacoustic ophthalmoscopy and near-infrared-II optical coherence tomography

arXiv

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arXiv 2023年

作者： Haindl, Richard Bellemo, Valentina Rajendran, Praveenbalaji Tan, Bingyao Liu, Mengyang Zhou, Qifa Leitgeb, Rainer A. Drexler, Wolfgang Schmetterer, Leopold Pramanik, Manojit School of Chemistry Chemical Engineering and Biotechnology Nanyang Technological University 62 Nanyang Drive Singapore Singapore Centre for Medical Physics and Biomedical Engineering Medical University of Vienna Währinger Gürtel 18-20/4L Vienna Austria Singapore Eye Research Institute Singapore National Eye Centre Singapore Singapore Program Nanyang Technological University Singapore Singapore Department of Radiation Oncology Stanford University StanfordCA94305 United States University of Southern California Department of Biomedical Engineering Los AngelesCA90033 United States Ophthalmology and Visual Sciences Academic Clinical Program Duke-NUS Medical School National University of Singapore Singapore Department of Clinical Pharmacology Medical University Vienna Vienna Austria Institute of Molecular and Clinical Ophthalmology Basel Switzerland Department of Electrical and Computer Engineering Iowa State University AmesIA50011 United States

Non-invasive imaging plays a crucial role in diagnosing and studying eye diseases. However, existing photoacoustic ophthalmoscopy (PAOM) techniques in mice have limitations due to handling restrictions, suboptimal optical properties, limited availability of light sources and permissible light fluence at the retina. This study introduces an innovative approach that utilizes Rose Bengal, a contrast agent, to enhance PAOM contrast. This enables visualization of deeper structures like the choroidal microvasculature and sclera in the mouse eye using visible light. The integration of near-infrared-II optical coherence tomography (NIR-II OCT) provides additional tissue contrast and insights into potential NIR-II PAOM capabilities. To optimize imaging, we developed a cost-effective 3D printable mouse eye phantom and a fully 3D printable tip/tilt mouse platform. This solution elevates PAOM to a user-friendly technology, which can be used to address pressing research questions concerning several ocular diseases such as myopia, glaucoma and/or age-related macular degeneration in the future. © 2023, CC BY.

关键词： Optical tomography

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Spatiotemporal multi-omics:exploring molecular landscapes in aging and regenerative medicine

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Military Medical Research 2025年第4期12卷 528-566页

作者： Liu-Xi Chu Wen-Jia Wang Xin-Pei Gu Ping Wu Chen Gao Quan Zhang Jia Wu Da-Wei Jiang Jun-Qing Huang Xin-Wang Ying Jia-Men Shen Yi Jiang Li-Hua Luo Jun-Peng Xu Yi-Bo Ying Hao-Man Chen Ao Fang Zun-Yong Feng Shu-Hong An Xiao-Kun Li Zhou-Guang Wang Affiliated Cixi Hospital Wenzhou Medical UniversityNingbo 315300ZhejiangChina Oujiang Laboratory(Zhejiang Lab for Regenerative Medicine Vision and Brain Health)School of Pharmaceutical ScienceWenzhou Medical UniversityWenzhou 325035ZhejiangChina National Key Laboratory of Macromolecular Drug Development and Manufacturing School of Pharmaceutical ScienceWenzhou Medical UniversityWenzhou 325035ZhejiangChina State Key Laboratory of Bioelectronics School of Biological Science&Medical EngineeringSoutheast UniversityNanjing 210096China School of Pharmaceutical Sciences Guangdong Provincial Key Laboratory of New Drug ScreeningSouthern Medical UniversityGuangzhou 510515China Department of Human Anatomy Shandong First Medical University&Shandong Academy of Medical SciencesTaian 271000ShandongChina Integrative Muscle Biology Laboratory Division of Regenerative and Rehabilitative SciencesUniversity of Tennessee Health Science CenterMemphisTN 38163United States Key Laboratory for Laboratory Medicine Ministry of EducationZhejiang Provincial Key Laboratory of Medical GeneticsSchool of Laboratory Medicine and Life ScienceWenzhou Medical UniversityWenzhou 325035ZhejiangChina Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research Institute of Imaging Diagnosis and Minimally Invasive Intervention Researchthe Fifth Affiliated Hospital of Wenzhou Medical UniversityLishui Hospital of Zhejiang UniversityLishui 323000ZhejiangChina School and Hospital of Stomatology Wenzhou Medical UniversityWenzhou 324025ZhejiangChina Departments of Diagnostic Radiology SurgeryChemical and Biomolecular Engineeringand Biomedical EngineeringYong Loo Lin School of Medicine and College of Design and EngineeringNational University of SingaporeSingapore 119074Singapore Clinical Imaging Research Centre Centre for Translational MedicineYong Loo Lin School of MedicineNational University of SingaporeSingapore 117599Singapore Nanomedicine Translational Research Program NUS Center for Nanom

Aging and regeneration represent complex biological phenomena that have long captivated the scientific *** fully comprehend these processes,it is essential to investigate molecular dynamics through a lens that encompasses both spatial and temporal *** omics methodologies,such as genomics and transcriptomics,have been instrumental in identifying critical molecular facets of aging and ***,these methods are somewhat limited,constrained by their spatial resolution and their lack of capacity to dynamically represent tissue *** advent of emerging spatiotemporal multi-omics approaches,encompassing transcriptomics,proteomics,metabolomics,and epigenomics,furnishes comprehensive insights into these intricate molecular *** sophisticated techniques facilitate accurate delineation of molecular patterns across an array of cells,tissues,and organs,thereby offering an in-depth understanding of the fundamental mechanisms at *** review meticulously examines the significance of spatiotemporal multi-omics in the realms of aging and regeneration *** underscores how these methodologies augment our comprehension of molecular dynamics,cellular interactions,and signaling ***,the review delineates the foundational principles underpinning these methods,followed by an evaluation of their recent applications within the *** review ultimately concludes by addressing the prevailing challenges and projecting future advancements in the ***,spatiotemporal multi-omics are instrumental in deciphering the complexities inherent in aging and regeneration,thus charting a course toward potential therapeutic innovations.

关键词： Spatiotemporal multi-omics Aging and regeneration Cellular interactions Innovative therapeutic strategies

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A Review on Knowledge Graphs for Healthcare: Resources, Applications, and Promises

arXiv

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arXiv 2023年

作者： Cui, Hejie Lu, Jiaying Xu, Ran Wang, Shiyu Ma, Wenjing Yu, Yue Yu, Shaojun Kan, Xuan Ling, Chen Zhao, Liang Qin, Zhaohui S. Ho, Joyce C. Fu, Tianfan Ma, Jing Huai, Mengdi Wang, Fei Yang, Carl Department of Computer Science Emory University AtlantaGA United States Department of Biostatistics University of Michigan Ann ArborMI United States School of Computational Science and Engineering Georgia Institute of Technology AtlantaGA United States Department of Computational Science Rensselaer Polytechnic Institute TroyNY United States Department of Computer and Data Sciences Case Western Reserve University ClevelandOH United States Department of Computer Science Iowa State University AmesIA United States Department of Population Health Sciences Weill Cornell Medicine Cornell University IthacaNY United States

Objective: This comprehensive review aims to provide an overview of the current state of Healthcare Knowledge Graphs (HKGs), including their construction, utilization models, and applications across various healthcare and biomedical research domains. Methods: We thoroughly analyzed existing literature on HKGs, covering their construction methodologies, utilization techniques, and applications in basic science research, pharmaceutical research and development, clinical decision support, and public health. The review encompasses both model-free and model-based utilization approaches and the integration of HKGs with large language models (LLMs). Results: We searched Google Scholar for relevant papers on HKGs and classified them into the following topics: HKG construction, HKG utilization, and their downstream applications in various domains. We also discussed their special challenges and the promise for future work. Discussion: The review highlights the potential of HKGs to significantly impact biomedical research and clinical practice by integrating vast amounts of biomedical knowledge from multiple domains. The synergy between HKGs and LLMs offers promising opportunities for constructing more comprehensive knowledge graphs and improving the accuracy of healthcare applications. Conclusions: HKGs have emerged as a powerful tool for structuring medical knowledge, with broad applications across biomedical research, clinical decision-making, and public health. This survey serves as a roadmap for future research and development in the field of HKGs, highlighting the potential of combining knowledge graphs with advanced machine learning models for healthcare *** Codes 68T30, 68T50, 68T09 Copyright © 2023, The Authors. All rights reserved.

关键词： Knowledge graph

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Unveiling the mechanism of phase and morphology selections during the devitrification of Al-Sm amorphous ribbon

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Physical Review Materials 2021年第4期5卷 043402-043402页

作者： Fanqiang Meng Yang Sun Feng Zhang Bo Da Cai-Zhuang Wang Matthew J. Kramer Kai-Ming Ho Dongbai Sun Sino-French Institute of Nuclear Engineering and Technology Sun Yat-Sen University Zhuhai Guangdong 519082 China Department of Applied Physics and Applied Mathematics Columbia University New York New York 10027 USA Ames Laboratory U.S. Department of Energy and Department of Physics Iowa State University Ames Iowa 50011 USA Research and Services Division of Materials Data and Integrated System National Institute for Materials Science 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan School of Materials Science and Engineering Sun Yat-Sen University Guangzhou 510275 China

The complex interplay between energetic and kinetic factors that governs the phase and morphology selections can originate at the earliest stage of crystallization in the amorphous parent phases. Because of the extreme difficulties in capturing the microscopic nucleation process, a detailed picture of how initial disordered structures affect the transformation pathway remains unclear. Here, we report the experimental observation of widely varying phase selection and grain size evolution during the devitrification of a homogeneous melt-spun glassy ribbon. Two different crystalline phases θ−Al5Sm and ɛ−Al60Sm11 are found to form in the different regions of the same metallic glass (MG) ribbon during the devitrification. The grain size of the ɛ−Al60Sm11 phase shows a strong spatial heterogeneity. The coarse-grained ɛ−Al60Sm11 phase coupled with the small volume fraction of the θ−Al5Sm phase is preferably formed close to the wheel side of the melt-spun ribbon. Combining experimental characterization and computational simulations, we show that phase selection and microstructure evolution can be traced back to different types and populations of atomic clusters that serve as precursors for the nucleation of different crystalline phases. Inhomogeneous cooling rates cause different structure orders across the glass sample during the quenching process. Our findings provide direct insight into the effect of structural order on the crystallization pathways during the devitrification of MG. It also opens an avenue to study the detailed nucleation process at the atomic level using the MG as a platform and suggests the opportunity of microstructure and property design via controlling the cooling process.

关键词： Crystallization Microstructure Nucleation Phase transitions Alloys Metallic glasses Electron microscopy Molecular dynamics

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High-temperature strain-mediated oxidation of 2D MoS2

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Materials and Design 2023年 236卷

作者： Rouhan, Mehdi Hobley, Jonathan Lin, Kuang-I Hofmann, Mario Yao, Yu-Chi Chang, Yung-Huang Carpick, Robert William Schall, J. David Jeng, Yeau-Ren Department of Biomedical Engineering National Cheng Kung University 1 University Road Tainan City70101 Taiwan Core Facility Center National Cheng Kung University 1 University Road Tainan City70101 Taiwan Department of Physics National Taiwan University Taipei106 Taiwan Bachelor Program in Interdisciplinary Studies National Yunlin University of Science and Technology 123 University Road Yunlin64002 Taiwan Department of Mechanical Engineering and Applied Mechanics University of Pennsylvania 220 S. 33rd St. PhiladelphiaPA19104-6315 United States Department of Mechanical Engineering North Carolina Agricultural and Technical State University GreensboroNC27411 United States Tainan70101 Taiwan

MoS2 is 2D material applicable for electronics, photo-detectors, light-emitting diodes, and solar cells. Since these applications operate at elevated temperatures, determining and controlling the environmental stability of MoS2 is essential. This study uses Raman spectroscopic experiments at elevated temperatures to observe reversible and irreversible changes in 2D MoS2 films with varying thickness, morphology, and substrate to explore the limits of its thermal stability. Molecular dynamics simulations and in-situ X-ray diffraction confirm that thermal expansion causes the Raman reversible spectral shifts. Further analysis reveals irreversible spectral shifts associated with oxidation and strain effects caused by oxidation with two distinct modes. The former is due to the general homogenous thinning of layers from the top layer down through randomly spaced sulfur vacancies. The latter is due to inhomogeneous oxidation, which known to occur as localized pitting at grain boundaries, void formation from nucleation centers, or stress corrosion cracking starting from edges under strain. Segregation of doping and strain contributions confirms higher strain in the edges. Annealing increases the spread of the strain distribution. These results highlight the critical role of strain, resulting from thermal expansion coefficient mismatch between substrates and 2D MoS2 films, on their environmental stability. © 2023 The Authors

关键词： Raman spectroscopy

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TextAI 3.0 (Multimodal): multimodal sentiment analysis using attention-enabled ensemble-based deep learning in hyperbolic space

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International Journal of Information technology (Singapore) 2025年 1-16页

作者： Singh, Jaskaran Sanga, Prabhav Khanna, Narendra N. Laird, John R. Singh, Inder M. Kalra, Mannudeep K. Mantella, Laura E. Johri, Amer M. Faa, Gavino Tiwari, Ekta Singh, Rajesh Abbas, Mohamed Saba, Luca Suri, Jasjit S. Stroke Monitoring and Diagnostic Division AtheroPoint™ Roseville 95661 CA United States Bharati Vidyapeeth’s College of Engineering New Delhi India Department of Cardiology Indraprastha APOLLO Hospitals New Delhi 110001 India Department of Neurology and Stroke Program University of Maryland School of Medicine Baltimore United States Department of Radiology Harvard Medical School Boston 02115 MA United States Department of Biomedical and Molecular Sciences Queen’s University Kingston ON Canada Division of Cardiology Department of Medicine Queen’s University Kingston ON Canada Department of Pathology University of Cagliari Cagliari Italy Department of Computer Science Visvesvaraya National Institute of Technology (VNIT) Nagpur 440010 India Department of Research and Innovation Uttaranchal Institute of Technology Uttaranchal University Dehradun 248007 India Central Labs King Khalid University P.O. Box 960 AlQura’a Abha Saudi Arabia Electrical Engineering Department College of Engineering King Khalid University Abha 61421 Saudi Arabia Department of Neurology University of Cagliari Cagliari Italy Department of ECE Idaho State University Pocatello 83209 ID United States Department of CE Graphic Era Deemed to Be University Dehradun 248002 India University Center for Research and Development Chandigarh University Mohali India Symbiosis Institute of Technology Symbiosis International (Deemed University) Nagpur Campus Pune India Department of Innovation Global Biomedical Technologies Inc. Roseville 95661 CA United States

The rising prevalence of depression presents a significant global health challenge, underscoring the need for effective early detection through sentiment analysis. Traditional multimodal sentiment analysis methods, which rely on Euclidean space for data representation, often fail to capture the complex hierarchical relationships and non-linear structures inherent in multimodal data. To address this limitation, we propose a novel multimodal architecture that operates in hyperbolic space and incorporates attention-based ensemble learning to enhance feature representation and model performance. We developed and evaluated ten AI models—five utilizing Euclidean space and five leveraging hyperbolic space—on the Spoken Language Understanding Evaluation (SLUE) benchmark dataset. The models were assessed using cross-validation techniques to ensure robustness, and statistical analyses were conducted to validate the findings. Our results indicate that hyperbolic-based multimodal models achieve a 2.32% improvement in accuracy compared to their Euclidean counterparts, while the integration of self-attention mechanisms further contributes an average accuracy gain of 0.96%. Additionally, we observed a 3.76% decline in performance when reducing the training-to-test data ratio from 90:10 to 50:50, highlighting the importance of data distribution in model training. These findings confirm that attention-enhanced multimodal models in hyperbolic space offer superior representations for sentiment analysis. © Bharati Vidyapeeth's Institute of Computer Applications and Management 2025.

关键词： Attention-enabled Deep learning Euclidean space Hyperbolic space Multimodal Sentiment analysis

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Polarization reversal via a transient relaxor state in nonergodic relaxors near freezing temperature

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Journal of Materiomics 2019年第4期5卷 634-640页

作者： Chang-Hyo Hong Hanzheng Guo Xiaoli Tan John E.Daniels Wook Jo School of Materials Science and Engineering Ulsan National Institute of Science and TechnologyUlsan44919Republic of Korea Department of Materials Science and Engineering Iowa State UniversityAmesIA50011USA School of Materials Science and Engineering University of New South WalesNew South Wales2052Australia

Among the unresolved issues in the study of relaxor ferroelectrics is the role of freezing temperature,across which the dynamics of polarization reversal in relaxor ferroelectrics *** presence of this freezing temperature is best manifested by the appearance of a double polarization hysteresis loop just above the freezing *** that the polarization pinching evolving into a double hysteresis starts well below the freezing temperature,there exists a transient temperature regime between the nonergodic and the ergodic relaxor *** clarify the role of the freezing temperature on the pinching,the polarization reversal near the freezing temperature of relaxor(Pb_(1-x)La_(x))(Zr_(1-y)T_(y))_(1-x/4)O_(3)(PLZT)was monitored using three in situ electric field methods:electrocaloric effect,neutron diffraction,and transmission electron *** demonstrate that the pinching results from a two-step process,1)domain detexturization in the ferroelectric state and 2)miniaturization of *** observation explains the recently reported gap between the depolarization temperature T_(d) and the ferroelectric-torelaxor transition temperature T_(F-R) in lead-free *** further show that T_(d) and T_(F-R),which have long been considered identical in lead-based relaxors,are not the *** current study suggests that the mismatch between T_(d) and TF-R is an inherent feature in both lead-based and lead-free relaxor ferroelectrics.

关键词： Relaxor Nanodomains In situ Neutron diffraction Transmission electron microscopy

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