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5 papers · 1 filter
Correlation between structure and properties in multiferroic LaCaMnO/BaTiO superlattices
M. P. Singh, W. Prellier, L. Mechin +2
Superlattices composed of ferromagnetics, namely LaCaMnO (LCMO), and ferroelectrics, namely, BaTiO(BTO) were grown on SrTiO at 720C by pulsed laser…
Effect of ferroelectric layers on the magnetocapacitance properties of superlattices-based oxide multiferroics
M. P. Singh, W. Prellier, L. Mechin
A series of superlattices composed of ferromagnetic LaCaMnO (LCMO) and ferroelectric/paraelectric BaSrTiO (0x1) were deposited on…
Modulated optical reflectance measurements on La2/3Sr1/3MnO3 thin films
Laurence Mechin, Stephane Flament, Andy Perry +2
The modulated optical reflectance (MOR) measurement technique was applied to colossal magnetoresistive materials, in particular, La2/3Sr1/3MnO3 (LSMO) thin films. The contactless m…
Uncooled bolometer response of a low noise La2/3Sr1/3MnO3 thin film
Laurence Mechin, Jean-Marc Routoure, Bruno Guillet +4
We report measurements of the optical responses of a La2/3Sr1/3MnO3 (LSMO) sample at a wavelength of 533 nm in the 300-400 K range. The 200 nm thick film was grown by pulsed laser…
Voltage noise and surface current fluctuations in the superconducting surface sheath
J. Scola, A. Pautrat, C. Goupil +3
We report the first measurements of the voltage noise in the surface superconductivity state of a type-II superconductor. We present strong evidences that surface vortices generate…