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Structural Properties and Singular Phase Transitions of Metallic Pr0.50Sr0.50CoO3 Cobaltite

Structural Properties and Singular Phase Transitions of Metallic Pr0.50Sr0.50CoO3 Cobaltite

Scientific Highlights Materials for information science and electronics 28 January 2015 4521 hits jags

ic501371d

Jessica Padilla-PantojaJosé Luis García-Muñoz*Bernat BozzoZdeněk Jirák, and Javier Herrero-Martín

Inorg. Chem., 2014, 53 (23), pp 12297–12304
 

The Pr0.50Sr0.50CoO3 perovskite exhibits unique magnetostructural properties among the rest of the ferromagnetic/metallic Ln0.50Sr0.50CoO3 compounds. We have determined and described its structural evolution, which follows the Pm3̅m → R3̅c → Imma → I4/mcm transformations. The Imma → I4/mcm symmetry change is responsible for the second magnetic transition and the reported “two-step magnetic ordering” and has been thoroughly described. The results are confronted with distinct nonconventional properties in another half-doped cobaltite based on praseodymium, Pr0.50Ca0.50CoO3.

Related Topics: Materials for information science and electronics

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