Lead-free Radio-pure Textured Piezoelectric Ceramics for Acoustic Sensors in Dark Matter Search

用于暗物质搜索中声学传感器的无铅无线电纯纹理压电陶瓷

• 批准号: 1936432
• 负责人: Bed Poudel
• 金额: $ 200万
• 依托单位: Pennsylvania State Univ University Park
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2020
• 资助国家: 美国
• 起止时间: 2020-01-01 至 2023-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1936432&HistoricalAwards=false
• 关键词: Lead; free; Radio; pure; Textured

NON-TECHNICAL DESCRIPTION: Currently most of the piezoelectric ceramic materials utilized for actuator and transducer applications contain high concentrations of lead, which is toxic for both humans and environment. If the products containing lead are not properly discarded or recycled, then there is high possibility for lead entering the soil and water streams. Further, there is health-risk posed for humans handling the lead-based materials during manufacturing and deployment. Thus, environmental regulations in many parts of the world are requiring the elimination of lead from all consumer items. In applications such as acoustic detectors, there is essential need to find lead-free piezoelectric alternatives to achieve desired sensitivity. However, electrical properties of all the known lead-free piezoelectric materials remains lower than those lead-based materials. In this project, lead-free piezoelectric ceramics are being studied to discover composition and microstructure with enhanced piezoelectric response. Outcomes from this research stand to strengthen the US piezoelectric ceramic industry leadership. Lead-free material formulations and specialized ceramic manufacturing methodology are being provided to the US piezoelectric manufacturers. Undergraduate and graduate students, high school science teachers and postdoctoral researchers are being professionally trained in this project to develop understanding of ceramic industry and piezoelectric applications. NSF I-Corps program is leveraged to support the training of students to become drivers of research commercialization. Furthermore, students are being exposed to methods for transition of university-based technologies through partnership with Ben Franklin Technology Partner’s TechCelerator.TECHNICAL DETAILS: In this project, (K,Na)NbO3 based high piezoelectric constant – high Curie temperature lead-free piezoelectric material is being designed, synthesized and characterized. Template grain growth process is used to synthesize ceramics with specific crystallographic grain orientation. Using the grain-oriented materials, extensive investigations are being conducted to understand how phase transitions, domain structures, and local crystal structures influence the piezoelectric response. Furthermore, the research focus is being placed on understanding the influence of relaxor state on piezoelectric performance. Phase field model is being used to investigate the role of local structural heterogeneity on electromechanical parameters. Self-polarization due to grain orientation along the spontaneous polarization direction is being quantified to reveal its contribution in achieving large piezoelectric response in an engineered material. Synthesized textured piezoelectric elements with requisite electromechanical behavior is incorporated into acoustic transducers, subjected to the extreme environmental conditions of the bubble chamber and tested for performance in small environmental test vessels. Knowledge generated from the project on lead-free material design and manufacturing is being provided to US companies to expedite their progress in finding lead-free alternatives and thereby developing next generation of applications such as medical imaging, ultrasonic home appliances, acoustic detectors and precision positioning systems. Undergraduate and graduate students are being trained in cross-cutting multidisciplinary disciplines of piezoelectric ceramics, ceramic processing science, multiscale characterization, acoustics, and physics.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

非技术说明：目前大多数用于执行器和传感器应用的压电陶瓷材料都含有高浓度的铅，这对人类和环境都是有毒的，如果含铅的产品没有得到适当的丢弃或回收，那么很有可能。此外，在制造和使用过程中处理含铅材料的人类也会面临健康风险，因此，世界许多地区的环境法规要求所有消费者消除铅。在声学探测器等应用中，必须找到无铅压电替代品来实现所需的灵敏度。然而，在该项目中，所有已知的无铅压电材料的电性能仍然低于那些铅基材料。 ，正在研究无铅压电陶瓷，以发现具有增强压电响应的成分和微观结构，该研究成果将加强美国压电陶瓷行业的领导地位，并将提供给美国压电陶瓷。本科生和研究生、高中科学教师和博士后研究人员正在该项目中接受专业培训，以加深对陶瓷行业的了解，并利用 NSF I-Corps 计划支持培训学生成为研究商业化的推动者。此外，通过与本·富兰克林技术合作伙伴的 TechCelerator 合作，学生们将接触到大学技术转型的方法。技术细节：在该项目中，基于 (K,Na)NbO3 的高压压电常数 –正在设计、合成和表征高居里温度无铅压电材料，利用模板晶粒生长工艺来合成具有特定晶粒取向的陶瓷，并进行广泛的研究以了解相变、磁畴的变化。此外，研究重点是了解弛豫状态对压电性能的影响，并使用相场模型来研究局部结构异质性对机电参数的作用。沿自发极化方向的晶粒取向引起的自极化正在被量化，以揭示其在工程材料中实现大压电响应的贡献，具有必要机电行为的合成纹理压电元件被纳入声换能器中，经受极端环境条件。该项目所产生的有关无铅材料设计和制造的知识正在向美国公司提供，以加快他们在寻找无铅替代品和开发下一步方面的进展。本科生和研究生正在接受压电陶瓷、陶瓷加工科学、多尺度表征、声学和物理学等交叉多学科学科的培训，例如医学成像、超声波家用电器、声学探测器和精密定位系统等应用。通过使用基金会的智力价值和更广泛的影响审查标准进行评估，NSF 的法定使命被认为值得支持。

项目成果

Textured Lead-Free Piezoelectric Ceramics for Flexible Energy Harvesters

用于灵活能量收集器的纹理无铅压电陶瓷

• DOI: 10.1021/acsami.2c15640
• 发表时间: 2023-01
• 期刊: ACS Applied Materials & Interfaces
• 影响因子: 9.5
• 作者: Purusothaman, Yuvasree;Leng, Haoyang;Nanda, Aman;Levine, Ilan;Priya, Shashank
• 通讯作者: Priya, Shashank

High-Acoustic Sensitivity Radiopure Piezoelectric Materials for Dark Matter Detection

用于暗物质探测的高声灵敏度放射性纯压电材料

• DOI: 10.1021/acsaelm.3c01116
• 发表时间: 2023-12
• 期刊: ACS Applied Electronic Materials
• 影响因子: 4.7
• 作者: Kang, Min Gyu;Yan, Yongke;Maurya, Deepam;Song, Hyun;Yang, Lijuan;Levine, Ilan;Behnke, Edward;Borsodi, Haley;Fustin, Drew;Nanda, Aman;et al
• 通讯作者: et al

Scintillating Bubble Chambers for Rare Event Searches

用于罕见事件搜索的闪烁气泡室

• DOI: 10.3390/universe9080346
• 发表时间: 2023-08
• 期刊: Universe
• 影响因子: 2.9
• 作者: Alfonso;Behnke, Edward;Bressler, Matthew;Broerman, Benjamin;Clark, Kenneth;Corbett, Jonathan;Dahl, C. Eric;Dering, Koby;de St. Croix, Austin;Durnford, Daniel;et al
• 通讯作者: et al

Enhanced pyroelectric response from domain-engineered lead-free (K0.5Bi0.5TiO3-BaTiO3)-Na0.5Bi0.5TiO3 ferroelectric ceramics

域工程无铅 (K0.5Bi0.5TiO3-BaTiO3)-Na0.5Bi0.5TiO3 铁电陶瓷的增强热释电响应

• DOI: 10.1016/j.jeurceramsoc.2020.11.013
• 发表时间: 2020-11-12
• 期刊: Journal of The European Ceramic Society
• 作者: Atul Thakre;D. Maurya;Do Yoen Kim;Yunseok Kim;P. Sriboriboon;Il;S. Priya;K. Cho;H. Song;J. Ryu
• 通讯作者: J. Ryu

Ultrahigh Piezoelectric Performance through Synergistic Compositional and Microstructural Engineering

通过协同成分和微结构工程实现超高压电性能

• DOI: 10.1002/advs.202105715
• 发表时间: 2022-05
• 期刊: Advanced Science
• 影响因子: 15.1
• 作者: Yan, Yongke;Geng, Liwei D.;Zhu, Li-Feng;Leng, Haoyang;Li, Xiaotian;Liu, Hairui;Lin, Dabin;Wang, Ke;Wang, Yu U.;Priya, Shashank
• 通讯作者: Priya, Shashank