A Coordination Chemistry Approach to the Synthesis of Single- Molecule Magnets

合成单分子磁体的配位化学方法

基本信息

  • 批准号:
    2102603
  • 负责人:
  • 金额:
    $ 55万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-05-01 至 2024-04-30
  • 项目状态:
    已结题

项目摘要

In this project, funded by the Chemical Structure, Dynamic & Mechanism B Program of the Chemistry Division, Professor Jeffrey R. Long of the Department of Chemistry at the University of California, Berkeley, is developing new classes of single-molecule magnets. These remarkable molecules behave as tiny, nanoscopic bar magnets, and therefore offer the potential to revolutionize technologies such as information storage and processing. The primary focus of this project is to employ synthetic chemistry to tailor the local environment of molecules with atomic-level precision to give rise to new single-molecule magnets with optimized properties, with the ultimate goal of realizing single-molecule magnets that operate at or near room temperature. This project lies at the interface of inorganic, organic, and physical chemistry, and is therefore well-suited to broadly educate and train young scientists. Finally, virtual science lessons on topics such as states of matter and magnetism will be produced in collaboration with a local community outreach program and taught to elemental school students in the Bay Area. This project aims to develop novel synthetic approaches to enhance magnetic anisotropy, strengthen magnetic coupling, and increase magnetic relaxation times in single-molecule magnets, with the goal of realizing unprecedented operating temperatures. In addition to the myriad technological applications envisioned for single-molecule magnets, their size and electronic structure gives rise to the coexistence of classical and quantum properties, such as magnetic hysteresis and quantum tunneling of the magnetization, respectively. Therefore, single-molecule magnets provide a platform that can be used to predictably engender and fundamentally study novel magnetic behavior at the intersection of quantum and classical physics. Further, the exotic transition metal, lanthanide, and actinide coordination environments that will be targeted for generating designer magnetism have the potential to engender novel chemical reactivity. Finally, it is expected that the magnetic properties of the proposed molecules will afford direct insight into the behavior of other exotic though distinct magnetic species, such as surface adsorbed adatoms, single-chain magnets, and bulk magnetic materials.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.
本课题由化学系化学结构与动力学机制B项目资助,Jeffrey R.位于伯克利的加州大学化学系的朗博士正在开发新型的单分子磁体。这些非凡的分子表现为微小的纳米级条形磁铁,因此有可能彻底改变信息存储和处理等技术。该项目的主要重点是采用合成化学以原子级精度定制分子的局部环境,以产生具有优化性能的新单分子磁体,最终目标是实现在室温或接近室温下工作的单分子磁体。该项目位于无机,有机和物理化学的界面,因此非常适合广泛教育和培养年轻科学家。最后,关于物质状态和磁性等主题的虚拟科学课程将与当地社区外展计划合作制作,并教授给湾区的小学生。该项目旨在开发新的合成方法,以增强磁各向异性,加强磁耦合,并增加单分子磁体的磁弛豫时间,目标是实现前所未有的工作温度。除了为单分子磁体设想的无数技术应用之外,它们的尺寸和电子结构还引起经典和量子性质的共存,例如磁滞和磁化的量子隧穿。因此,单分子磁体提供了一个平台,可用于可预测地产生和从根本上研究量子物理和经典物理交叉点的新磁行为。此外,外来的过渡金属,镧系元素,和锕系元素的协调环境,将有针对性地产生设计师的磁性有可能产生新的化学反应。最后,预计提出的分子的磁性将提供直接洞察到其他外来的行为,但不同的磁性物种,如表面吸附吸附原子,单链磁铁,和散装magneticmaterials.This奖项反映了NSF的法定使命,并已被认为是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的支持。

项目成果

期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Electron Density Analysis of Metal–Metal Bonding in a Ni 4 Cluster Featuring Ferromagnetic Exchange
以铁磁交换为特征的 Ni 4 团簇中金属与金属键合的电子密度分析
  • DOI:
    10.1021/acs.inorgchem.2c03170
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    Leiszner, Sofie Stampe;Chakarawet, Khetpakorn;Long, Jeffrey R.;Nishibori, Eiji;Sugimoto, Kunihisa;Platts, James A.;Overgaard, Jacob
  • 通讯作者:
    Overgaard, Jacob
Ultrahard magnetism from mixed-valence dilanthanide complexes with metal-metal bonding
  • DOI:
    10.1126/science.abl5470
  • 发表时间:
    2022-01-14
  • 期刊:
  • 影响因子:
    56.9
  • 作者:
    Gould, Colin A.;McClain, K. Randall;Long, Jeffrey R.
  • 通讯作者:
    Long, Jeffrey R.
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Jeffrey Long其他文献

Who We Are and How We Got Here: Ancient DNA and the New Science of the Human Past, by David Reich
我们是谁以及我们如何来到这里:古代 DNA 和人类过去的新科学,作者:David Reich
God’s characteristics as reported by near-death experiencers
濒死体验者所报告的上帝特征
  • DOI:
    10.32388/2ti1t7
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Patrizio E. Tressoldi;Jeffrey Long
  • 通讯作者:
    Jeffrey Long
118. Feasibility and Accuracy of the Asert Digital Questionnaire in Mood Tracking for a Research Study on Bipolar Disorder: A 6-Month Update
118. 用于双相情感障碍研究中情绪追踪的Asert数字问卷的可行性和准确性:6个月的最新情况
  • DOI:
    10.1016/j.biopsych.2025.02.355
  • 发表时间:
    2025-05-01
  • 期刊:
  • 影响因子:
    9.000
  • 作者:
    Isaac Lynch;Gail Harmata;John Barsotti;Jess Fiedorowicz;Aislinn Williams;Cari Linkenmeyer;Sarah Smith;Spencer Smith;Jenny Gringer Richards;Jeffrey Long;Soňa Sikorová;Eduard Bakstein;John Wemmie;Vincent Magnotta
  • 通讯作者:
    Vincent Magnotta
Administration of the steroid marinobufagenin (MBG) mimics Salt-Sensitive hypertension in Dahl-S, but not in normotensive Sprague-Dawley rats
  • DOI:
    10.1016/j.jash.2016.03.025
  • 发表时间:
    2016-04-01
  • 期刊:
  • 影响因子:
  • 作者:
    Olga V. Fedorova;Yulia N. Grigorova;Mikayla L. Hall;Ondrej Juhasz;Wen Wei;Natalia Petrashevskaya;Valentina I. Zernetkina;Jeffrey Long;Kenneth W. Fishbein;Peter R. Rapp;Richard G. Spencer;Edward G. Lakatta;Alexei Y. Bagrov
  • 通讯作者:
    Alexei Y. Bagrov
Association of blood pressure and na-pump inhibitor marinobufagenin (MBG) with brain structure, assessed by <em>in vivo</em> MRI in Sprague-Dawley and Dahl-S Rats
  • DOI:
    10.1016/j.jash.2016.03.145
  • 发表时间:
    2016-04-01
  • 期刊:
  • 影响因子:
  • 作者:
    Olga V. Fedorova;Mikayla L. Hall;Kenneth W. Fishbein;Yulia N. Grigovora;Mustafa Bouhrara;Wen Wei;Jeffrey Long;Christopher A. Morrell;Peter P. Rapp;Edward G. Lakatta;Richard G. Spencer;Alexei Y. Bagrov
  • 通讯作者:
    Alexei Y. Bagrov

Jeffrey Long的其他文献

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{{ truncateString('Jeffrey Long', 18)}}的其他基金

A Coordination Chemistry Approach to the Synthesis of Single-Molecule Magnets
合成单分子磁体的配位化学方法
  • 批准号:
    2350466
  • 财政年份:
    2024
  • 资助金额:
    $ 55万
  • 项目类别:
    Continuing Grant
CAS: Hard Permanent Magnets Through Molecular Design
CAS:通过分子设计实现硬质永磁体
  • 批准号:
    2206534
  • 财政年份:
    2022
  • 资助金额:
    $ 55万
  • 项目类别:
    Continuing Grant
A Coordination Chemistry Approach to the Synthesis of Single-Molecule Magnets
合成单分子磁体的配位化学方法
  • 批准号:
    1800252
  • 财政年份:
    2018
  • 资助金额:
    $ 55万
  • 项目类别:
    Continuing Grant
Conductive Metal-Organic Frameworks
导电金属有机框架
  • 批准号:
    1611525
  • 财政年份:
    2016
  • 资助金额:
    $ 55万
  • 项目类别:
    Standard Grant
A Coordination Chemistry Approach to the Synthesis of Single-Molecule Magnets
合成单分子磁体的配位化学方法
  • 批准号:
    1464841
  • 财政年份:
    2015
  • 资助金额:
    $ 55万
  • 项目类别:
    Standard Grant
Repression Mediated Embryonic Paterning in Arabidopsis
拟南芥中抑制介导的胚胎模式
  • 批准号:
    1457381
  • 财政年份:
    2015
  • 资助金额:
    $ 55万
  • 项目类别:
    Continuing Grant
I-Corps: The Commercialization Potential of Pyrazolate Metal-Organic Frameworks (MOFs)
I-Corps:吡唑盐金属有机框架(MOF)的商业化潜力
  • 批准号:
    1508127
  • 财政年份:
    2014
  • 资助金额:
    $ 55万
  • 项目类别:
    Standard Grant
Conductive Metal-Organic Frameworks
导电金属有机框架
  • 批准号:
    1309066
  • 财政年份:
    2013
  • 资助金额:
    $ 55万
  • 项目类别:
    Continuing Grant
A Coordination Chemistry Approach to the Synthesis of Single-Molecule Magnets
合成单分子磁体的配位化学方法
  • 批准号:
    1111900
  • 财政年份:
    2011
  • 资助金额:
    $ 55万
  • 项目类别:
    Standard Grant
Pattern and Process in Human DNA Sequence Variation
人类 DNA 序列变异的模式和过程
  • 批准号:
    0850997
  • 财政年份:
    2009
  • 资助金额:
    $ 55万
  • 项目类别:
    Standard Grant

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A Coordination Chemistry Approach to the Synthesis of Single-Molecule Magnets
合成单分子磁体的配位化学方法
  • 批准号:
    2350466
  • 财政年份:
    2024
  • 资助金额:
    $ 55万
  • 项目类别:
    Continuing Grant
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职业:拉沙病毒融合域 - 揭示膜融合背后分子化学的循环方法
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