EA: Upgrade of the Laser Heating System in the High-Pressure Diamond-Anvil Cell Laboratory at Arizona State University

EA：亚利桑那州立大学高压金刚石砧室实验室激光加热系统升级

• 批准号: 2335071
• 负责人: Sang-Heon Shim
• 金额: $ 6.39万
• 依托单位: Arizona State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2024
• 资助国家: 美国
• 起止时间: 2024-03-01 至 2025-02-28
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2335071&HistoricalAwards=false
• 关键词: EA; Upgrade; Laser; Heating; System

This Instrumentation and Facilities award, led by PI Shim at Arizona State University(ASU), will upgrade the laser-heating system used in diamond-anvil cell experiments. These types of experiments are crucial for understanding the Earth's deep interior. The proposed enhancements include the abilities to heat Earth materials to very high temperatures, and increase high-precision sample positioning, and high-resolution imaging. These upgrades address current limitations, thereby enabling more advanced research into understanding extreme conditions, like those found in the Earth's deep interior. This upgrade is significant as it will enable researchers to explore the processes and chemical evolution of early Earth, contributing to our broader understanding of planetary formation and evolution. Over the years, Shim's lab has become a nurturing ground for aspiring early career scientists, particularly those from groups historically excluded from STEM, with numerous students advancing to academic institutions, national laboratories, and industry, thereby contributing significantly to fields encompassing not only Earth science but also materials engineering. The upgrade will further expand these educational opportunities, reinforcing ASU's commitment to diversity and excellence in scientific research and education by both advancing scientific understanding and continuing to foster an inclusive environment for future scientists.This award will upgrade the Shim lab's laser-heating system at ASU to enhance heating quality in diamond-anvil cell experiments, enabling higher temperature heating, independent control of laser power on both sides of the sample, pulsed beams for hydrogen-media experiments, precise sample positioning, and high-resolution imaging. This upgrade is crucial as the current system, relying on a single 100 W fiber optic laser for double-sided heating, limits heating capabilities beyond 3000 K and lacks components for pulsed heating, which is pivotal in studying hydrogen in Earth's deep interior. Implementing these improvement will allow students and postdoctoral researchers to conduct important experiments, to expand understanding of early Earth processes and chemical evolution.Furthermore, the enhancement to the system aligns with the commitment to inclusive research, demonstrated through mentoring and publications involving undergraduate students, particularly those from underrepresented backgrounds. The upgrade will expand undergraduate research opportunities at ASU, furthering diversity in STEM, and particularly benefiting its status as a Hispanic Serving Institution under Title III and Title V programs. Alumni of Shim's lab have pursued advanced degrees and hold notable positions in STEM fields.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.

由亚利桑那州立大学（ASU）的PI Shim领导的该仪器和设施奖将升级钻石 - Anvil细胞实验中使用的激光加热系统。这些类型的实验对于理解地球深内部至关重要。提出的增强功能包括将地球材料加热到非常高温的能力，并增加高精度样品定位和高分辨率成像。这些升级解决了当前的局限性，从而使更多的先进研究能够理解极端条件，例如在地球深度内部的情况下。此升级很重要，因为它将使研究人员能够探索早期地球的过程和化学演变，从而有助于我们对行星形成和进化的广泛理解。多年来，Shim's Lab已成为有抱负的早期职业科学家的培育基础，尤其是那些历史上被排除在STEM之外的群体的科学家，许多学生都晋升为学术机构，国家实验室和行业，从而为不仅为领域的领域做出了重大贡献，不仅是地球科学，而且还为材料工程材料工程。升级将进一步扩大这些教育机会，增强ASU对科学研究和教育方面的多样性和卓越的承诺，通过提高科学理解并继续为未来科学家促进包容性环境。该奖项将升级Shim Lab的激光加热系统ASU的ASU，以增强钻石细胞实验，以增强钻石电池的供应，从而升温，以使钻石供应量，从而使高级供暖，从而促进温度升温，并将其独立于温度，以升温，并将其独立地供应温度，并将其独立地暖通，并将其独立地暖通，并升温。用于氢键实验的脉冲梁，精确的样品定位和高分辨率成像。此升级是当前系统至关重要的，它依靠单个100 W光纤激光器进行双面加热，限制了3000 K以上的加热能力，并且缺少用于脉冲加热的组件，这对于在地球深内部研究氢气方面至关重要。实施这些改进将使学生和博士后研究人员能够进行重要的实验，以扩大对早期地球过程和化学进化的理解。Furthermore，通过涉及本科生的指导和出版物，尤其是来自未成年人的学生的指导和出版物，对系统的增强与对包容性研究的承诺保持一致。升级将扩大ASU的本科研究机会，促进STEM的多样性，尤其使其在Title III和Title V计划下成为西班牙裔服务机构的地位。 Shim实验室的校友已攻读高级学位，并在STEM领域担任著名职位。该奖项反映了NSF的法定任务，并被认为是值得通过基金会的知识分子优点和更广泛的影响评估标准通过评估来支持的。