By Mathias Getzlaff

This quantity experiences on chosen features on the topic of floor magnetism, a box of impressive curiosity over the last decade. The particular emphasis is decided to the correlation of structural, digital and magnetic homes in infrequent earth steel structures and ferromagnetic transition metals. this can be made attainable by means of the mix of electron emission suggestions (spin polarized photoelectron spectroscopy, magnetic dichroism in photoemission and spin polarized metastable deexcitation spectroscopy) and native probes with excessive lateral answer all the way down to the atomic scale (spin polarized scanning tunneling microscopy / spectroscopy).

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Additional resources for Surface Magnetism: Correlation of Structural, Electronic and Chemical Properties with Magnetic Behavior

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Room temperature, HFS show a ‘‘normal’’ behavior. Heavy Fermion Systems are intermetallics which consist of rare earths or actinides together with other metal species. Examples are CeAl3 [43] and UPt3 [44]. These materials have partially filled 4f or 5f shells. At high temperatures the f electrons are localized. This behavior is comparable to ‘‘conventional’’ alloys with rare earths or actinides. With decreasing temperature the systems order in an antiferromagnetic state. Heavy Fermion Systems, however, behave like normal metals but the effective mass of the electrons is significantly enhanced (often by a factor of hundred).

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In contrast, island formation could be observed at lower coverage of approximately 10 ML even if the substrate temperature did not exceed 530 K (see Fig. 6b). These islands exhibit a local coverage of at least 4 ML, are atomically flat on top and will be described in more detail below. Between the islands the W(110) substrate is covered by a wetting layer of hexagonal but heavily distorted Gd. Two different models for the atomic structure of this so-called (14 9 7) structure have been described by other authors [23, 24].

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