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Experimental evidence of correlation between 1/fnoise level and metal-to-insulator transition temperature in epitaxial La0.7Sr0.3MnO3thin films

Year: 2013
Type: article
Abstract: The relation between lattice deformation, dc electrical properties and 1/ f noise at room temperature was investigated experimentally in two series of high epitaxial La 0.7 Sr 0.3 MnO 3 (LSMO) thin films of various thicknesses. The first series was deposited on SrTiO 3 (0 0 1) single crystal substrates by pulsed laser deposition and the second one on SrTiO 3 -buffered Si (0 0 1) substrates by reactive-molecular-beam epitaxy. A clear correlation was found between 1/ f noise level and the temperature of the metal-to-insulator transition. These findings are important in view of the optimization of LSMO thin films for applications in sensors.
DOI: 10.1088/0022-3727/46/20/202001
Authors: L Méchin, S Wu, B Guillet, P Perna, C Fur, S Lebargy, C Adamo, D G Schlom, J M Routoure
Institutions: Centre National de la Recherche Scientifique, École Nationale Supérieure d'Ingénieurs de Caen, GREYC, Madrid Institute for Advanced Studies, IMDEA Nanoscience, Universidad Autónoma de Madrid, Cornell University
Language: English
Open Access status: bronze
OpenAlex ID: W1978722545
FWCI: 0.81
Cites: 44
Cited by: 26
Related to: 10