Chemical and external pressure effects on ferromagnetic manganites
Abstract
Effects of hydrostatic pressure on the ferromagnetic phase transition are systematically investigated for doped manganites, R 1- xSr xMnO 3 (R La and Nd) by controlling the doping level ( x). In both the systems, the positive pressure coefficient (dln Tc|d P) for the Curie temperature increases significantly with the decrease of x (or Tc). We have derive empirical relation between the coefficient and Tc, and will discuss its origin.
- Publication:
-
Physica B Condensed Matter
- Pub Date:
- July 1997
- DOI:
- 10.1016/S0921-4526(97)00031-8
- Bibcode:
- 1997PhyB..237...26M