title: The onset of ferromagnetism and superconductivity in [La0.7Sr0.3MnO3(n u.c.)/YBa2Cu3O7(2 u.c.)]20 superlattices.
abstract: With the aim of studying the interface magnetism, the onset of ferromagnetism and the onset of the transition to the superconducting state a series of [La0.7Sr0.3MnO3(n u.c.)/YBa2Cu3O7(2 u.c.)]20 (LSMO/YBCO) superlattices with nominally varying layer thickness of the LSMO from one to four unit cells (u.c.) was prepared and characterized by x-ray diffraction, electronic transport, magnetization and ferromagnetic resonance measurements. Spontaneous magnetization was observed for a superlattice with four u.c. LSMO layer thickness in a multilayer structure. Superlattices with 3 u.c. of LSMO and lower layer thicknesses did not show a signature of ferromagnetism. The onset of superconductivity was observed for superlattices with one and two LSMO layer u.c. thickness.
authors: Institute of Physics, Polish Academy of Sciences, Aleja Lotników 36/42, 02-668 Warszawa, Poland.
authors: K
authors: K
authors: Dybko
authors: P
authors: P
authors: Aleshkevych
authors: M
authors: M
authors: Sawicki
authors: W
authors: W
authors: Paszkowicz
authors: P
authors: P
authors: Przyslupski
mesh_terms: D017609:Barium Compounds / Q000737:chemistry*; D003300:Copper / Q000737:chemistry*; D004553:Electric Conductivity; D004578:Electron Spin Resonance Spectroscopy; D007811:Lanthanum / Q000737:chemistry*; D008280:Magnetics; D059346:Magnets; D017895:Manganese Compounds / Q000737:chemistry*; D008422:Materials Testing; D013324:Strontium / Q000737:chemistry*; D014961:X-Ray Diffraction; D015019:Yttrium / Q000737:chemistry*
chemical_list: D017609:Barium Compounds; D017895:Manganese Compounds; C070629:barium copper yttrium oxide; D015019:Yttrium; D007811:Lanthanum; D003300:Copper; D013324:Strontium