Substrate dependence of magnetic properties of La0.67Ca0.33MnO3 films

Raman spectra in epitaxial thin films ofLa1−xCaxMnO3(Xiong1, Chen2, Wang3 et al. 2004Phys. Rev. B502232View full textAdd to dashboardCite

“…The substrate induces both bulk and biaxial strains in the film, which alters the physical properties of films 23,24,25,26 . The other one is associated with the dynamics of film growth and the manner of strain release 19 , which induce phase separation and inhomogeneities in films 27,28 . These suggest that the interesting phenomena maybe observed in highly strained thin films of manganite.…”

Strain induced phase separation on La0.5Ca0.5MnO3 thin films

“…The control of the transport and magnetic properties by internal (doping concentration, average atomic radius /r A S) and external perturbations (temperature, pressure, and magnetic field) is crucial for the application of manganites to devices [3][4][5][6]. In thin films grown on a substrate, the epitaxial strain caused by the lattice-substrate mismatch [10,11] is an additional control parameter affecting physical properties of thin films [12]. The lattice distortion [13][14][15][16] and the strain relaxation mechanism induce phase separation and inhomogeneities the films [17,18].…”

AC-susceptibility study of films on and

“…This work was motivated by both the fundamental role manganites play for a further understanding of basic condensed matter physics and the potential relevance of these materials for applications. For the latter thin film processing is of particular importance and accordingly there have been many studies on the growth conditions, structural, magnetic and magnetotransport properties of manganite films [5][6][7][8][9][10][11][12]. It is by now well established that the properties of manganite films can be tuned by the film-substrate interfacial strain [7,13,14].…”