Local magnetic properties of nanocrystalline Ni and Pd-Fe

被引：2

作者：

Lauer, St. ^{[1
]}

Guan, Z. ^{[1
]}

Wolf, H. ^{[1
]}

Natter, H. ^{[2
]}

Schmelzer, M. ^{[2
]}

Hempelmann, R. ^{[2
]}

Wichert, Th. ^{[1
]}

机构：

[1] Technische Physik, Postfach 151150, D-66041 Saarbrucken, Germany

[2] Physikalische Chemie, Universität des Saarlandes, Postfach 151150, D-66041 Saarbrucken, Germany

来源：

Nanostructured Materials | 1999年 / 12卷 / 05期

关键词：

Annealing - Ball milling - Electrodeposition - Energy dispersive spectroscopy - Grain boundaries - Indium - Magnetic fields - Magnetic properties - Nickel - Palladium alloys - Solid solutions - X ray diffraction analysis;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Ferromagnetic nanocrystalline materials, consisting of Ni and Pd-Fe, are investigated on an atomic scale by perturbed γγ-angular correlation spectroscopy, complemented by X-ray diffraction and energy dispersive X-ray spectroscopy. Nanocrystalline Ni was produced by pulsed electrodeposition and simultaneously doped with 111In probe atoms. Besides the local magnetic field known from polycrystalline Ni, a second component is detected, which is attributed to a magnetic perturbation due to grain boundaries. During ball-milling of Pd, a Pd0.70Fe0.30 solid solution caused by Fe impurities is obtained, which is ferromagnetic at room temperature. Annealing between 600 K and 1000 K transforms this solid solution into the compound γ2-Pd3Fe.

引用

页码：955 / 958

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