Publication

Electronic and magnetic properties of ruthenocuprates

Giorgio Margaritondo, Daniel Ariosa Dupont, Luca Perfetti, Alessandra Reginelli
2001
Journal Articles

Abstract

We report on X-ray photoemission of core levels, valence band studies using angle-integrated photoemission, and magnetization measurements of ruthenocuprate and SrRuO3 polycrystalline samples. The data indicate that the RuO2 planes are the source of the energetics of the magnetic ordering. We also find that adding hydrogen leads to changes in the many-body response on both the CuO2 and EuO planes.

Official source

https://infoscience.epfl.ch/entities/publication/3dde69b9-d923-4f04-838c-0d3f015938fd

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Giorgio Margaritondo, Daniel Ariosa Dupont, Luca Perfetti, Alessandra Reginelli
2001
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/3dde69b9-d923-4f04-838c-0d3f015938fd

About this result

Related concepts (32)

Magnetism

Magnetism is the class of physical attributes that occur through a magnetic field, which allows objects to attract or repel each other. Because both electric currents and magnetic moments of elementary particles give rise to a magnetic field, magnetism is one of two aspects of electromagnetism. The most familiar effects occur in ferromagnetic materials, which are strongly attracted by magnetic fields and can be magnetized to become permanent magnets, producing magnetic fields themselves.

Magnetic moment

In electromagnetism, the magnetic moment is the magnetic strength and orientation of a magnet or other object that produces a magnetic field. Examples of objects that have magnetic moments include loops of electric current (such as electromagnets), permanent magnets, elementary particles (such as electrons), composite particles (such as protons and neutrons), various molecules, and many astronomical objects (such as many planets, some moons, stars, etc).

Magnetic dipole

In electromagnetism, a magnetic dipole is the limit of either a closed loop of electric current or a pair of poles as the size of the source is reduced to zero while keeping the magnetic moment constant. It is a magnetic analogue of the electric dipole, but the analogy is not perfect. In particular, a true magnetic monopole, the magnetic analogue of an electric charge, has never been observed in nature. However, magnetic monopole quasiparticles have been observed as emergent properties of certain condensed matter systems.

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Electronic and magnetic properties of ruthenocuprates

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