Structure and atomic interactions at the Co/Pd(001) interface: Surface x-ray diffraction and atomic-scale simulations

H. L. Meyerheim; V. Stepanyuk; A. L. Klavsyuk; E. Soyka; J. Kirschner

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Structure and atomic interactions at the Co/Pd(001) interface: Surface x-ray diffraction and atomic-scale simulations

机译：Co / Pd（001）界面上的结构和原子相互作用：表面X射线衍射和原子尺度模拟

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Using surface x-ray diffraction and atomic-scale simulations we have studied the structure of Co films deposited on Pd(001) at room temperature by thermal (TD) and pulsed laser deposition (PLD). While for TD we find epitaxial growth of Co without sizable amount of intermixing, for PLD films substantial alloying is observed. Ab initio calculations indicate an oscillatory Co-Co interaction in the Pd layers, which is repulsive for nearest neighbors and attractive for next-nearest neighbors.

机译：使用表面X射线衍射和原子尺度模拟，我们研究了在室温下通过热（TD）和脉冲激光沉积（PLD）沉积在Pd（001）上的Co膜的结构。对于TD，我们发现Co的外延生长而没有大量的混合，而对于PLD膜，则观察到大量合金化。从头算计算表明在Pd层中发生振荡的Co-Co相互作用，这对最近的邻居是排斥的，而对下一个最近的邻居则有吸引力。

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来源
《Physical review. B, Condensed Matter And Materials Physics》 |2005年第11期|p.113403.1-113403.4|共4页
作者
H. L. Meyerheim; V. Stepanyuk; A. L. Klavsyuk; E. Soyka; J. Kirschner;
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作者单位

Max-Planck-Institut fuer Mikrostrukturphysik, Weinberg 2, D-06120 Halle, Germany;

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正文语种 eng
中图分类固体物理学;
关键词
interface structure and roughness; X-ray diffraction and scattering; magnetic properties of monolayers and thin films;

机译：界面结构和粗糙度;X射线衍射和散射;单层和薄膜的磁性;

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Structure and atomic interactions at the Co/Pd(001) interface: Surface x-ray diffraction and atomic-scale simulations

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