Structural and magnetic properties of Co2MnSi thin films
TypeArticles dans des revues avec comité de lecture
Co2MnSi (CMS) films of different thicknesses (20, 50, and 100 nm) were grown by radio frequency (RF) sputtering on a-plane sapphire substrates. Our X-rays diffraction (XRD) study shows that, in all the samples, the cubic 〈110〉 CMS axis is normal to the substrate and that six well defined preferential in-plane orientations are present. Static and dynamic magnetic properties were investigated using vibrating sample magnetometry (VSM) and microstrip line ferromagnetic resonance (MS-FMR), respectively. From the resonance measurements versus the direction and the amplitude of an applied magnetic field, most of the magnetic parameters are derived, i.e.: the magnetization, the gyromagnetic factor, the exchange stiffness coefficient, and the magnetic anisotropy terms. The in-plane anisotropy results from the superposition of two terms showing a twofold and a fourfold symmetry, respectively. The observed behavior of the hysteresis loops is in agreement with this complex form of the in-plane anisotropy.
Showing items related by title, author, creator and subject.
NISTOR, M; SEILER, Wilfrid; HEBERT, C; MATEI, E; PERRIÈRE, J (ELSEVIER, 2014)Indium oxide thin films were grown by pulsed electron beam deposition method at 500 °C on c-cut sapphire and (0 0 1) oriented LaAlO3 single crystal substrates in oxygen or argon gas. The effects of ambient gas and substrate ...
NISTOR, M; MILLON, E; CACHONCINLLE, C; SEILER, Wilfrid; JEDRECY, N; HEBERT, C; PERRIERE, J. (IOP Publishing, 2015)Transparent Nd-doped ZnO films with thickness in the range of 70 to 250 nm were grown by pulsed-laser deposition (PLD) on c-cut sapphire substrates at various oxygen pressures and substrate temperatures. A wide range of ...
UV to NIR photon conversion in Nd-doped rutile and anatase titanium dioxide films for silicon solar cell application LE BOULBAR, E; MILLON, E; NTSOENZOK, E; HAKIM, B; SEILER, Wilfrid; BOULMER-LEBORGNE, C; PERRIÈRE, J (ELSEVIER, 2012)Undoped and Nd-doped titanium dioxide anatase and rutile films have been grown by pulsed-laser deposition at 700 °C under 0.1 mbar O2. By selecting adequate substrates, TiO2 films doped with 1, 2 or 5 at.% Nd were grown ...
SEILER, Wilfrid; SELMANE, M; ABDELOUHADI, K; PERRIÈRE, J (Elsevier, 2015)The nature of the crystalline phase present in gallium oxide films grown by pulsed-laser deposition on c-cut sapphire substrate has been studied. Amorphous, polycrystalline or epitaxial gallium oxide films can be obtained ...
Microstructure and Texture of Al2SixSn (x = 0, 4, 8 mass%) Alloys Processed by Equal Channel Angular Pressing GONZALEZ, Gonzalo; BRAHAM, Chedly; LEBRUN, Jean-Lou; CHASTEL, Yvan; SEILER, Wilfrid; A. FIGUEROA, Ignacio (Japan Institute of Metals, 2012)The influence of Sn on the microstructure, microstrain and grain morphology in Al–2Si–xSn samples processed by ECAP is reported and discussed. The pseudo-binary Al–xSn alloys (where x = 0, 4, 8 mass%) were produced by ...