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Room temperature strong coupling between a microwave oscillator and an ensemble of electron spins

Publications associées (32)

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Glassy low-energy spin fluctuations and anisotropy gap in La_{1.88}Sr_{0.12}CuO_{4}

Joël Mesot, Johan Juul Chang, Christopher Werner Matthias Robeller

We present high-resolution triple-axis neutron scattering studies of the high-temperature superconductor La1.88Sr0.12CuO4 (T-c = 27 K). The temperature dependence of the low-energy incommensurate magnetic fluctuations reveals distinctly glassy features. Th ...

Amer Physical Soc2013

Magnetodynamical response of large-area close-packed arrays of circular dots fabricated by nanosphere lithography

Dirk Grundler

We report a combined experimental and theoretical study of the quasistatic hysteresis and dynamic excitations in large-area arrays of NiFe nanodisks forming a hexagonal lattice with the lattice constant of 390 nm. Arrays were fabricated by patterning a 20- ...

2013

Electromechanically induced absorption in a circuit nano-electromechanical system

Tobias Kippenberg, Xiaoqing Zhou, Albert Schliesser

A detailed analysis of electromechanically induced absorption (EMIA) in a circuit nano-electromechanical hybrid system consisting of a superconducting microwave resonator coupled to a nanomechanical beam is presented. By performing two-tone spectroscopy ex ...

Institute of Physics (IoP) and Deutsche Physikalische Gesellschaft2012

On the low temperature microwave absorption anomaly in single-wall carbon nanotubes

László Forró, Ferenc Simon

The low temperature microwave absorption anomaly reported by Corzilius et al. [Phys. Rev. B 75, 235416 (2007)] in single-wall carbon nanotubes (SWCNTs) is revisited. It was originally reported that the microwave absorption of CVD grown SWCNTs shows an unex ...

Wiley-V C H Verlag Gmbh2012

Parametric feedback oscillators

Luis Guillermo Villanueva Torrijo

A parametric feedback oscillator includes a resonator which has at least one transduction element and at least one electromechanical resonating element. The resonator is configured to accept as input a parametric excitation signal at a frequency 2[omega]0 ...

2011

Multi-frequency high-pressure electron spin resonance study of low dimensonal organic conductors

Bálint Náfrádi

Electronic and magnetic properties of quasi-one dimensional ormore widely low-dimensional systems aswell as their related correlated electron phenomena have been at the very frontier of condensed matter physics for quite some time. The reduced dimensionali ...

EPFL2008

Low-cost spintronic devices functioning in zero applied magnetic field are required for bringing the idea of spin-based electronics into the real-world industrial applications. Here we present first microwave measurements performed on nanomagnet devices fa ...

American Chemical Society2008

Within the past few years, the field of Electron Spin Resonance has become an important tool in physical, chemical and biological research. However, in many cases its usefulness is limited by the sensitivity of the experimental setup. A typical example is ...

EPFL2008

Temperature-induced Phase Transitions in Micro-, Submicro-, and Nanocrystalline NaNbO3

Arnaud Magrez

Phase transitions in micro-, submicro-, and nanocrystalline NaNbO3 were investigated by temperature-tuning Raman spectroscopy and X-ray powder diffraction method. Three powders with different average particle size showed successive phase transitions within ...

2007

Ferroelectric thin films are widely studied nowadays as potential replacements for semiconductors in modern tunable microwave devices such as tunable filters, phase-shifters, frequency mixers, power dividers, etc. Recent progress in the deposition of compl ...

EPFL2004