Concept

Curie's law

Related publications (85)

High field properties of the frustrated 2D dimer spin system SrCu2(BO3)2

We discuss high-field magnetic properties of the quasi two dimensional frustrated dimer spin system SrCu2(BO3)2, which is a realization of the Shastry-Sutherland spin model and shows magnetization plateaus at 1/8, 1/4 and 1/3 of the saturated magnetization ...

2006

Permalloy thin films exchange-coupled to arrays of stencilled cobalt islands

Jürgen Brugger, Marc Antonius Friedrich van den Boogaart

Patterned magnetic thin films are of interest due to the potential for new technological applications and also because of their modified physical behaviour as the lateral dimensions are reduced. The functionality of patterned films can be intelligently des ...

2006

High tunnel magnetoresistance in spin-polarized scanning tunneling microscopy of Co nanoparticles on Pt(111)

Harald Brune, Stefano Rusponi, Nicolas Weiss

We employ variable-temperature spin-polarized scanning tunneling microscopy in constant current mode to read the magnetic state of monodomain cobalt nanoparticles on Pt(111). In order to avoid stray fields we use in situ prepared antiferromagnetically (Cr) ...

2005

Softening and hardening transitions in ferroelectric Pb(Zr,Ti)O3 ceramics

Hysteretic and nonlinear dielectric behaviour in ferroelectric ceramics has been of interest since 1950s, when these materials found application in various electronic devices. Presently, these phenomena concern with important areas of science, technology a ...

EPFL2005

Ferroelectric properties of an epitaxial lead zirconate titanate thin film deposited by a hydrothermal method below the Curie temperature

Nava Setter

Deposition of a hydrothermal method has a number of advantages; low deposition temperature, high-purity, deposition on a three-dimensional structure, and a large thickness. The present paper investigates the improvement of an epitaxial lead zirconate titan ...

2004

Oxidation induced enhanced magnetic susceptibility of Co islands on Pt(111)

Harald Brune, Stefano Rusponi, Nicolas Weiss

We have studied the evolution of the magnetic properties of monolayer-high cobalt islands on a Pt(111) surface as function of their exposure to oxygen. We observe a sequential quenching of magnetic anisotropy and magnetic moment. For minute exposures to ox ...

2004

Cooperative Jahn-Teller distortion in PrO2

Philip Pattison

We report neutron diffraction data on single crystal PrO2 which reveal a cooperative Jahn-Teller distortion at TD=120±2 K. Below this temperature an internal distortion of the oxygen sublattice causes the unit cell of the crystallographic structure to beco ...

2004

Properties of the elastic anomaly in SrBi2Nb2O9-based ceramics

Nava Setter, Dragan Damjanovic

A study was conducted on the effects of compositional modifications on the temperature coefficient of resonance frequency (TCF) in the disc planar vibration mode for the bismuth layer-structured compound SrBi2Nb2O9 (SBN)-based ceramics. The substitution of ...

2003

The remarkable difference between surface and step atoms in the magnetic anisotropy of two-dimensional nanostructures

Harald Brune, Stefano Rusponi, Philipp Buluschek, Nicolas Weiss, Laurent Claude

The original magnetic properties of nanometre-sized particles are due to the distinct contributions of volume, surface and step atoms. To disentangle these contributions is an ongoing challenge of materials science. Here we introduce a method enabling the ...

2003

Light controlled and probed ferromagnetism of (Cd,Mn)Te quantum wells

Benoît Marie Joseph Deveaud

Properties of carrier-induced ferromagnetism in modulation-doped quantum wells of p-type (Cd,Mn)Te are assessed by photoluminescence (PL) and PL excitation spectroscopy. Well-chosen illumination makes it possible to deplete the quantum well and thus to con ...

2002

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