Chemically induced permanent magnetism in Au, Ag, and Cu nanoparticles: Localization of the magnetism by element selective techniques

Garitaonandia JS; Insausti M; Goikolea E; Suzuki M; Cashion JD; Kawamura N; Ohsawa H; de Muro IG; Suzuki K; Plazaola F

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Chemically induced permanent magnetism in Au, Ag, and Cu nanoparticles: Localization of the magnetism by element selective techniques

机译：化学诱导的Au，Ag和Cu纳米粒子中的永久磁性：通过元素选择技术对磁性进行定位

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We report a direct observation of the intrinsic magnetization behavior of Au in thiol-capped gold nanoparticles with permanent magnetism at room temperature. Two element specific techniques have been used for this purpose: X-ray magnetic circular dichroism on the L edges of the Au and Au-197 Mossbauer spectroscopy. Besides, we show that silver and copper nanoparticles synthesized by the same chemical procedure also present room-temperature permanent magnetism. The observed permanent magnetism at room temperature in Ag and Cu dodecanethiol-capped nanoparticles proves that the physical mechanisms associated to this magnetization process can be extended to more elements, opening the way to new and still not-discovered applications and to new possibilities to research basic questions of magnetism.

机译：我们报告了在室温下具有永久磁性的硫醇封端的金纳米粒子中Au的固有磁化行为的直接观察。为此使用了两种元素特定技术：Au和Au-197 Mossbauer光谱L边缘的X射线磁性圆二色性。此外，我们表明，通过相同的化学方法合成的银和铜纳米粒子也具有室温永磁性。 Ag和Cu十二烷硫醇封端的纳米粒子在室温下观察到的永久磁性证明，与该磁化过程相关的物理机制可以扩展到更多元素，从而为新的和尚未发现的应用以及研究基础的新可能性开辟了道路。磁性问题。

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《Nano letters》 |2008年第2期|共7页
作者
Garitaonandia JS; Insausti M; Goikolea E; Suzuki M; Cashion JD; Kawamura N; Ohsawa H; de Muro IG; Suzuki K; Plazaola F;
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正文语种 eng
中图分类特种结构材料;
关键词
SELF-ASSEMBLED MONOLAYERS; RAY CIRCULAR-DICHROISM; GOLD NANOPARTICLES; CLUSTER COMPOUNDS; MOSSBAUER; AU-197;

机译：自组装单层膜;射线圆二色性;金纳米粒子;簇状化合物;MOSSBAUER;AU-197;

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1. Chemically induced permanent magnetism in Au, Ag, and Cu nanoparticles: Localization of the magnetism by element selective techniques [J] . Garitaonandia JS, Insausti M, Goikolea E, Nano letters . 2008,第2期

机译：化学诱导的Au，Ag和Cu纳米粒子中的永久磁性：通过元素选择技术对磁性进行定位
2. Spacer induced magnetism and its effect on interlayer exchange coupling in Fe/(Pd, Cu, Au, Ag) multilayered nanowires [J] . P. Panigrahi, M.C. Valsakumar The European physical journal, B. Condensed matter physics . 2011,第4期

机译：Fe /（Pd，Cu，Au，Ag）多层纳米线中的间隔物感应磁及其对层间交换耦合的影响
3. Ultrasensitive molecularly imprinted electrochemical sensor based on magnetism graphene oxide/β-cyclodextrin/Au nanoparticles composites for chrysoidine analysis [J] . Xiaojiao Wang, Xiangjun Li, Chuannan Luo, Electrochimica Acta . 2014,第Null期

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4. Structural Variations and Magnetism in the Transition-Metal-Rich Intermetallics Eu(T1,T2)sln (T= Cu, Ag, Au) [C] . V. Smetana, Y. Mudryk, V.K. Pecharsky Rare Earth Research Conference . 2019

机译：富含过渡金属化金属间金属间金属间金属间化合物（T1，T2）SLN（T = Cu，Ag，Au）中的结构变形和磁
5. Disorder-induced localization and itinerant magnetism in the Half-Heusler alloys and dilution studies of the beta-titanium tin and barium boride compounds. [D] . Drymiotis, Fivos. 2002

机译：Half-Heusler合金中的无序诱导的局部化和流动磁性以及对β-钛锡和硼化钡化合物的稀释研究。
6. Size-selected Fe3O4–Au hybrid nanoparticles for improved magnetism-based theranostics [O] . Maria V Efremova, Yulia A Nalench, Eirini Myrovali, 2018

机译：尺寸选择的Fe3O4–Au杂化纳米颗粒可改善基于磁性的理论
7. Chemically Induced Permanent Magnetism in Au, Ag, and Cu Nanoparticles: Localization of the Magnetism by Element Selective Techniques [O] . -1

机译：Au，Ag和Cu纳米粒子的化学诱导的永磁体：通过元素选择性技术定位磁性
8. Elements of the Earth's Magnetism for the Epochs 1600, 1650, 1700, 1780, 1842 and 1885, and Their Secular Changes Derived from Observations Calculated Using the Coefficients of the Gaussian 'General Theory of Earth's Magnetism' [R] . Fritsche, H. 1982

机译：1600,1650,1700,1780,1842和1885年的地球磁性元素，以及利用高斯“地球磁学通论”计算的观测得出的长期变化

Chemically induced permanent magnetism in Au, Ag, and Cu nanoparticles: Localization of the magnetism by element selective techniques

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