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Metallic Solids

Metallic Solids

Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...

Ferromagnetism

Ferromagnetism

Materials like iron, nickel, and cobalt consist of magnetic domains, within which the magnetic dipoles are arranged parallel to each other. The magnetic dipoles are rigidly aligned in the same direction within a domain by quantum mechanical coupling among the atoms. This coupling is so strong that even thermal agitation at room temperature cannot break it. The result is that each domain has a net dipole moment. However, some materials have weaker coupling, and are ferromagnetic at lower...

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Related Experiment Video

Updated: Jun 26, 2026

Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers

Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers

Published on: October 5, 2013

Antiferromagnetic order with atomic layer resolution in EuTe(111) films.

E Schierle¹, E Weschke, A Gottberg

¹Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin, Germany.

Physical Review Letters

|December 31, 2008

Summary

This study reveals distinct magnetic behaviors in the outer atomic layers of antiferromagnetic Europium Telluride (EuTe) films compared to bulk layers. These findings highlight a new method for analyzing complex magnetic ordering at thin film surfaces and interfaces.

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Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

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Last Updated: Jun 26, 2026

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Published on: October 5, 2013

Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope

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Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Published on: December 4, 2014

Area of Science:

Condensed matter physics
Materials science
Surface science

Background:

Understanding the magnetic properties of thin films is crucial for developing advanced electronic devices.
Antiferromagnetic materials exhibit unique magnetic ordering that can be sensitive to surface and interface effects.
Europium Telluride (EuTe) is an important model system for studying antiferromagnetism.

Purpose of the Study:

To investigate the temperature dependence of magnetization in individual atomic layers of an epitaxial antiferromagnetic EuTe film.
To compare the magnetic behavior of surface atomic layers with that of bulk layers.
To validate a novel X-ray based method for analyzing magnetic ordering in thin films.

Main Methods:

Utilized soft X-ray magnetic Bragg peaks with Laue oscillations at the Europium M5 resonance for high-sensitivity magnetic measurements.
Achieved virtually background-free data to accurately determine layer-specific magnetizations.
Employed Heisenberg-Monte Carlo calculations to model and interpret the experimental results.

Main Results:

The magnetizations of the outermost atomic layers of the EuTe film showed significantly different temperature dependences compared to the bulk layers.
Observed pronounced Laue oscillations, indicating high crystalline quality and enabling detailed analysis.
Experimental data were in excellent agreement with theoretical predictions from Heisenberg-Monte Carlo simulations.

Conclusions:

The study successfully demonstrated a powerful X-ray technique for probing layer-resolved magnetic properties in thin films.
Revealed unique magnetic ordering phenomena occurring at the surfaces and interfaces of antiferromagnetic materials.
The findings pave the way for more precise characterization of complex magnetic structures in advanced materials.