INVESTIGADORES
CONDO Adriana Maria
artículos
Título:
Glasslike behavior at the PrBa2Cu3O7/La0.75Sr0.25MnO3 interface
Autor/es:
N. HABERKORN; F. LOVEY; A. M. CONDÓ; G. NIEVA; J. GUIMPEL
Revista:
PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS
Editorial:
The American Physical Society
Referencias:
Año: 2007 vol. 75 p. 244271 - 244276
ISSN:
0163-1829
Resumen:
We study the crystalline structure and the magnetic properties of two different PrBa2Cu3O7-d /La0.75Sr0.25MnO3 (PBCO/LSr0.25MO) superlattices grown by dc magnetron sputtering on (100) SrTiO3. The microstructure was studied by high-resolution transmission electron microscopy (HRTEM). Magnetic, magnetotransport, and time dependence measurements indicate a behavior compatible with phase separation at the interface, strain induced by the lattice parameter difference, and the presence of a structural transition in the manganite material. Spin glasslike blocking behavior was found at low temperatures, below 70 K.
