INVESTIGADORES
SANCHEZ Rodolfo Daniel
artículos
Título:
Oxygen vacancies effect on phase separation in Pr0.5Ca0.2Sr0.3MnO3-δ
Autor/es:
NIEBIESKIKWIAT, D.; CANEIRO, A.; SÁNCHEZ, R.D.
Revista:
JOURNAL OF APPLIED PHYSICS
Editorial:
AMER INST PHYSICS
Referencias:
Lugar: NY; Año: 2003 vol. 93 p. 8080 - 8082
ISSN:
0021-8979
Resumen:
The electric and magnetic properties of a phase separated manganite were studied by investigating the effect oxygen vacancies on the compound. At a temperature below 240 K the compound exhibited paramagnetic to ferromagnetic (FM) transition, while around 175 K charge-ordered (CO) and antiferromagnetic phases were observed. The introduction of Oxygen vacancies enhanced FM ordering and thereby decreased the resistivity and magnetoresistance.
