Publications related to Equilibrium reconstruction in an iron core tokamak using a deterministic magnetisation model

High Bandwidth CMOS Magnetic Sensors Based on the Miniaturized Circular Vertical Hall Device

Hall-effect devices make up by far the largest part of all magnetic sensors on the market today. The main reason is compatibility of Hall devices with modern semiconductor technology. In particular, integrated Hall sensor micro-systems fabricated in low-co ...

EPFL2011

Response of a resistive and rotating tokamak to external magnetic perturbations below the Alfvén frequency

Holger Reimerdes

Motivated by the recent experimental observation that plasma stability can be improved by external magnetic perturbations, the general problem of plasma response to external magnetic perturbations is investigated. Different (vacuum, ideal and resistive) pl ...

2011

Three-field NMR to preserve hyperpolarized proton magnetization as long-lived states in moderate magnetic fields

Geoffrey Bodenhausen, Aurélien Bornet, Sami Jannin

This communication describes a three-field experiment where inequivalent scalar coupled spin pairs are hyperpolarized at 3.35 T and 1.2 K by dynamic nuclear polarization (DNP), rapidly transferred to high field (7 T) to prepare a suitable initial condition ...

Elsevier2011

Direct two-dimensional measurements of the eld-aligned current associated with plasma blobs

Ambrogio Fasoli, Ivo Furno, Christian Gabriel Theiler, Nicola Vianello

In simple magnetized toroidal plasmas, field-aligned blobs originate from ideal interchange waves and propagate radially outward under the effect of

\grad B

and curvature induced

E \times B

drifts. We report on the first experimental two-dimensional me ...

2011

Self-Consistent ICRH Distribution Functions and Equilibria in Magnetically Confined Plasmas

Martin Jucker

The deployment of high power radio frequency waves in the ion cyclotron range (ICRF) constitutes an important operational facility in many plasma devices, including ITER. Any charged particle describes a helical motion around a given magnetic field line, t ...

EPFL2010

Formation and microscopic investigation of iron oxide aligned nanowires into polymeric nanocomposite films

Raffaella Buonsanti

We present a microscopic investigation of nanocomposite films of iron oxide (γ-Fe2O3) magnetic nanowires (NWs) aligned into polymers, formed upon evapn. of solns. of acrylate polymer/magnetic nanoparticles under magnetic field (MF). The field causes the as ...

2010

Experimental Evidence of Momentum Transport Induced by an Up-Down Asymmetric Magnetic Equilibrium in Toroidal Plasmas

Olivier Sauter, Basil Duval, Alexander Karpushov, Yann Camenen, Alessandro Bortolon, Lucia Isabel Federspiel, Francesco Piras

The first experimental evidence of parallel momentum transport generated by the up-down asymmetry of a toroidal plasma is reported. The experiments, conducted in the Tokamak a` Configuration Variable, were motivated by the recent theoretical discovery of i ...

2010

Magnetic Imaging in Photonic Crystal Microcavities

Laurent Balet, Massimo Gurioli

We demonstrate the nonresonant magnetic interaction at optical frequencies between a photonic crystal microcavity and a metallized near-field microscopy probe. This interaction can be used to map and control the magnetic component of the microcavity modes. ...

2010

Muon spin relaxation study of the layered magnetoelectric FeTe2O5Br with spin amplitude modulated magnetic structure

Helmuth Berger

Local-probe weak-transverse-field and zero-field mu SR measurements have been employed to investigate magnetic ordering in the new magnetoelectric compound FeTe2O5Br. Below the Neel transition temperature T-N=10.6 K a static local magnetic field starts to ...

2010

Global Nonlinear Electromagnetic Simulations of Tokamak Turbulence

Laurent Villard, Stephan Brunner, Trach-Minh Tran, Alberto Bottino, Sébastien Jolliet, Ben McMillan, Thibaut Vernay

The particle-in-cell code ORB5 is a global gyrokinetic turbulence simulation code in tokamak geometry. It has been developed at CRPP, Lausanne, Switzerland, with major contributions from IPP, Garching, Germany, and IPP, Greifswald, Germany, under a long-st ...

Institute of Electrical and Electronics Engineers2010

Equilibrium reconstruction in an iron core tokamak using a deterministic magnetisation model

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High Bandwidth CMOS Magnetic Sensors Based on the Miniaturized Circular Vertical Hall Device

Response of a resistive and rotating tokamak to external magnetic perturbations below the Alfvén frequency

Three-field NMR to preserve hyperpolarized proton magnetization as long-lived states in moderate magnetic fields

Direct two-dimensional measurements of the eld-aligned current associated with plasma blobs

Self-Consistent ICRH Distribution Functions and Equilibria in Magnetically Confined Plasmas

Formation and microscopic investigation of iron oxide aligned nanowires into polymeric nanocomposite films

Experimental Evidence of Momentum Transport Induced by an Up-Down Asymmetric Magnetic Equilibrium in Toroidal Plasmas

Magnetic Imaging in Photonic Crystal Microcavities

Muon spin relaxation study of the layered magnetoelectric FeTe2O5Br with spin amplitude modulated magnetic structure

Global Nonlinear Electromagnetic Simulations of Tokamak Turbulence

Three-field NMR to preserve hyperpolarized proton magnetization as long-lived states in moderate magnetic fields

Formation and microscopic investigation of iron oxide aligned nanowires into polymeric nanocomposite films

Direct two-dimensional measurements of the eld-aligned current associated with plasma blobs

High Bandwidth CMOS Magnetic Sensors Based on the Miniaturized Circular Vertical Hall Device

Self-Consistent ICRH Distribution Functions and Equilibria in Magnetically Confined Plasmas

Experimental Evidence of Momentum Transport Induced by an Up-Down Asymmetric Magnetic Equilibrium in Toroidal Plasmas

Magnetic Imaging in Photonic Crystal Microcavities

Muon spin relaxation study of the layered magnetoelectric FeTe2O5Br with spin amplitude modulated magnetic structure

Global Nonlinear Electromagnetic Simulations of Tokamak Turbulence

Response of a resistive and rotating tokamak to external magnetic perturbations below the Alfvén frequency