Single Crystal Growth by Solid State Reaction Synthesis: Informatics Driven Microstructural Analysis and Design

固态反应合成单晶生长:信息学驱动的微观结构分析与设计

基本信息

  • 批准号:
    1929263
  • 负责人:
  • 金额:
    $ 63.69万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2019
  • 资助国家:
    美国
  • 起止时间:
    2019-08-01 至 2024-07-31
  • 项目状态:
    已结题

项目摘要

NON-TECHNICAL DESCRIPTION: This research explores the synthesis, structure, and properties of a new class of ceramics, i.e. compounds composed of metallic and non-metallic elements. Ceramic single crystal materials, where the atomic arrangement is the same throughout the bulk sample, are desirable because of their unique properties. Unfortunately, they are usually difficult to fabricate, requiring specialized equipment and very high temperatures. This project explores a novel solid-state method for growing a single crystal ceramic, starting from a mixture of two different ceramic compositions. The potential exists for the discovery of ceramic crystals with new and interesting properties for next generation structural and electronic applications. Furthermore, the reverse process, i.e., changing from a single material to two distinct materials can be exploited to create composite materials that are microscopic mixtures of either different ceramics, or a metal and a ceramic. The scale and interconnectivity of these mixtures can be tailored to modify the overall physical properties. Students are undergoing training in advanced techniques encompassing both experimental and computational materials science. They will typically find employment in high tech industries or government/industrial laboratories. Associated outreach activities are directed towards encouraging K-12 students to pursue careers in science and engineering, with a particular emphasis on underrepresented groups. These efforts include the creation of bilingual educational modules, as well as participation in programs such as: 1) Materials Camps for high school students and teachers, 2) CHOICES (Charting Horizons and Opportunities In Careers in Engineering and Science), which is aimed at middle school girls, and 3) STAR (Students That Are Ready), which targets economically and academically disadvantaged and/or at-risk 8th to 12th grade students. TECHNICAL DETAILS: Entropy-stabilized oxides are complex ceramics that are stable only above a certain critical temperature. To date, this material class has received little prior attention from the research community. Recently a new type of transformation was observed whereby bulk single crystal growth was induced by solid state synthesis, starting with a two-phase, polycrystalline precursor. Conversely, the eutectoid-like transformation of these materials when annealed below the critical temperature yields novel two-phase morphologies. The project combines experiment and an informatics-based modelling approach to seek a fundamental understanding of the transformation mechanisms. In particular, the research aims to identify the materials' parameters that together with the initial microstructure, define the morphological and textural evolution of the resultant structure. Graduate students and undergraduates are being trained in state-of-the art high temperature materials synthesis and characterization techniques, as well as modelling of nucleation and growth processes.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.
非技术描述:本研究探索了一类新的陶瓷的合成,结构和性能,即由金属和非金属元素组成的化合物。陶瓷单晶材料由于其独特的性质而令人期望,其中原子排列在整个块体样品中是相同的。不幸的是,它们通常很难制造,需要专门的设备和非常高的温度。该项目探索了一种新的固态方法来生长单晶陶瓷,从两种不同陶瓷成分的混合物开始。潜在的存在,为下一代结构和电子应用发现新的和有趣的性能的陶瓷晶体。 此外,相反的过程,即,可以利用从单一材料到两种不同材料的变化来产生复合材料,所述复合材料是不同陶瓷或金属和陶瓷的微观混合物。可以定制这些混合物的规模和互连性以改变整体物理性质。学生正在接受先进技术的培训,包括实验和计算材料科学。他们通常会在高科技行业或政府/工业实验室找到工作。相关的外联活动旨在鼓励K-12学生从事科学和工程职业,特别强调代表性不足的群体。这些努力包括创建双语教育模块,以及参与以下方案:1)高中学生和教师的材料营地,2)选择(绘制工程和科学职业的前景和机会),目标是中学女生,以及3)星星(准备好的学生),其目标是经济和学术上处于不利地位和/或有风险的8至12年级学生。 技术特性:熵稳定氧化物是一种复杂的陶瓷,只有在一定的临界温度以上才稳定。迄今为止,这类材料很少受到研究界的关注。最近观察到一种新的类型的转变,其中大块单晶生长诱导固态合成,开始与两相,多晶前体。相反,这些材料在低于临界温度退火时的类共晶转变产生了新颖的两相形态。该项目结合了实验和基于信息学的建模方法,以寻求对转化机制的基本理解。特别是,该研究旨在确定材料的参数,这些参数与初始微观结构一起定义了所得结构的形态和纹理演变。研究生和本科生正在接受最先进的高温材料合成和表征技术以及成核和生长过程建模的培训。该奖项反映了NSF的法定使命,并被认为值得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来支持。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Kinetics and associated microstructure for reactive phase formation
反应相形成的动力学和相关微观结构
  • DOI:
    10.1016/j.actamat.2021.117456
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    9.4
  • 作者:
    McNamara, C.;Rickman, J.M.;Chan, H.M.
  • 通讯作者:
    Chan, H.M.
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Helen Chan其他文献

Lead poisoning from ingestion of Chinese herbal medicine.
摄入中草药导致铅中毒。
  • DOI:
  • 发表时间:
    1977
  • 期刊:
  • 影响因子:
    3.3
  • 作者:
    Helen Chan;Y. Yeh;G. Billmeier;W. Evans;Ho Chan
  • 通讯作者:
    Ho Chan
Real world implementation of ACP perspective from Japan
日本 ACP 视角的现实世界实施
  • DOI:
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Lin;C. P.;Cheng;S. Y.;Mori;M.;Suh;S. Y.;Chan;H. Y.;Martina;D.;. . . Chiu;T. Y.;Raymond Ng Han Lip;Helen Chan;Rachelle Bernacki;Cheng-Pei Lin;Yoshiyuki Kizawa
  • 通讯作者:
    Yoshiyuki Kizawa
Application of serious illness care program in hospital setting in Hong Kong
严重疾病护理计划在香港医院环境中的应用
  • DOI:
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Lin;C. P.;Cheng;S. Y.;Mori;M.;Suh;S. Y.;Chan;H. Y.;Martina;D.;. . . Chiu;T. Y.;Raymond Ng Han Lip;Helen Chan
  • 通讯作者:
    Helen Chan
Palliative Care and COVID-19 in Japan. International panel: Lesson learned and health system development.
日本的姑息治疗和 COVID-19。
  • DOI:
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Lin;C. P.;Cheng;S. Y.;Mori;M.;Suh;S. Y.;Chan;H. Y.;Martina;D.;. . . Chiu;T. Y.;Raymond Ng Han Lip;Helen Chan;Rachelle Bernacki;Cheng-Pei Lin;Yoshiyuki Kizawa;Takenouchi Sayaka.
  • 通讯作者:
    Takenouchi Sayaka.
Prognostication: How to communicate prognosis and future research direction.
预测:如何传达预测和未来的研究方向。
  • DOI:
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Lin;C. P.;Cheng;S. Y.;Mori;M.;Suh;S. Y.;Chan;H. Y.;Martina;D.;. . . Chiu;T. Y.;Raymond Ng Han Lip;Helen Chan;Rachelle Bernacki;Cheng-Pei Lin;Yoshiyuki Kizawa;Takenouchi Sayaka.;Masanori Mori;Masanori Mori;Masanori Mori
  • 通讯作者:
    Masanori Mori

Helen Chan的其他文献

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{{ truncateString('Helen Chan', 18)}}的其他基金

Solid Solution Enhanced Synthesis of Multi-Principal Component Alloys via Oxide Reduction
通过氧化物还原固溶强化合成多主成分合金
  • 批准号:
    2217692
  • 财政年份:
    2022
  • 资助金额:
    $ 63.69万
  • 项目类别:
    Standard Grant
MRI: Acquisition of a Plasma Focused Ion Beam System for Dynamic In-situ Micro-Mechanical Testing Over Cryogenic and Elevated Temperatures
MRI:获取等离子体聚焦离子束系统,用于低温和高温动态原位微机械测试
  • 批准号:
    2215267
  • 财政年份:
    2022
  • 资助金额:
    $ 63.69万
  • 项目类别:
    Standard Grant
Mechanical Behavior of Novel Metal-Oxide Composites with Hierachical Microstructures: Effect of Scale and Interfacial Structure
具有分级微观结构的新型金属氧化物复合材料的力学行为:尺度和界面结构的影响
  • 批准号:
    1507955
  • 财政年份:
    2015
  • 资助金额:
    $ 63.69万
  • 项目类别:
    Continuing Grant
FRG: Nanopatterning of Sapphire Substrates for Improved III-Nitride Growth
FRG:蓝宝石衬底的纳米图案化以改善 III 族氮化物的生长
  • 批准号:
    0705299
  • 财政年份:
    2007
  • 资助金额:
    $ 63.69万
  • 项目类别:
    Continuing Grant
Generation of a Pristine Sapphire Surface by Oxidation and Solid State Conversion of a Sputtered Al Coating
通过溅射铝涂层的氧化和固态转化生成原始蓝宝石表面
  • 批准号:
    0211078
  • 财政年份:
    2002
  • 资助金额:
    $ 63.69万
  • 项目类别:
    Continuing Grant
Novel Platelet Composites for Improved Mechanical Behavior
用于改善机械性能的新型血小板复合材料
  • 批准号:
    9616668
  • 财政年份:
    1997
  • 资助金额:
    $ 63.69万
  • 项目类别:
    Continuing Grant
Influence of Temperature on Indentation-Induced Flaw Nucleation Processes in Ceramic Materials
温度对陶瓷材料压痕诱导缺陷成核过程的影响
  • 批准号:
    8920844
  • 财政年份:
    1990
  • 资助金额:
    $ 63.69万
  • 项目类别:
    Continuing Grant

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Research on the Rapid Growth Mechanism of KDP Crystal
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