Electronic structure and magnetic properties of epitaxial FeRh(001) ultrathin films on W(100)

J.-S. Lee; E. Vescovo; L. Plucinski; C. M. Schneider; C.-C. Kao

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Electronic structure and magnetic properties of epitaxial FeRh(001) ultrathin films on W(100)

机译：W（100）上外延FeRh（001）超薄膜的电子结构和磁性

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Epitaxial FeRh(100) films (CsCl structure, ～10 ML thick), prepared in situ on a W(100) single-crystal substrate, have been investigated via valence band and core-level photoemission. The presence of the temperature-induced, first-order, antiferromagnetic to ferromagnetic (AF→FM) transition in these films has been verified via linear dichroism in photoemission from the Fe 3p levels. Core-level spectra indicate a large moment on the Fe atom, practically unchanged in the FM and AF phases. Judging from the valence band spectra, the metamagnetic transition takes place without substantial modification of the electronic structure. In the FM phase, the spin-resolved spectra compare satisfactorily to the calculated spin-polarized bulk band structure.

机译：通过价带和核能级光发射研究了在W（100）单晶衬底上原位制备的外延FeRh（100）薄膜（CsCl结构，约10 ML厚）。这些薄膜中存在温度诱导的一阶反铁磁到铁磁（AF→FM）的转变，这是通过Fe 3p能级的光发射线性二色性证实的。核心能级谱表明在Fe原子上有一个很大的矩，而在FM和AF相中几乎没有变化。从价带谱来看，亚磁性跃迁的发生没有实质性地改变电子结构。在FM阶段，自旋分辨谱与计算出的自旋极化体带结构比较满意。

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来源
《Physical review》 |2010年第22期|p.257-262|共6页
作者
J.-S. Lee; E. Vescovo; L. Plucinski; C. M. Schneider; C.-C. Kao;
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作者单位

National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973, USA;

National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973, USA;

Institute of Solid State Research IFF-9, Research Centre Juelich, Juelich, Germany;

Institute of Solid State Research IFF-9, Research Centre Juelich, Juelich, Germany;

National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973, USA;

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正文语种 eng
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关键词
molecular magnets; decoherence; open systems; quantum statistical methods; magnetic properties of thin films, surfaces, and interfaces;

机译：分子磁体;退相干;开放系统;量子统计方法;薄膜;表面和界面的磁性;

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7. Electronic structure and magnetic properties of epitaxial FeRh(001) ultrathin films on W(100) [O] . Lee J.-S., Vescovo E., Plucinski L., 2010

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Electronic structure and magnetic properties of epitaxial FeRh(001) ultrathin films on W(100)

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