Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/27363
Título: | Pr 0.5 Ca 0.5 MnO 3 thin films deposited on LiNbO 3 substrates |
Autor(es): | Gomes, I. Tarroso Almeida, B. G. Araújo, J. P. |
Palavras-chave: | Praseodimium calcium manganite Laser ablation Structural properties Electrical properties |
Data: | 2013 |
Editora: | EDP Sciences |
Revista: | EPJ Web of Conferences |
Citação: | EPJ Web of Conferences 40, 15010 (2013) |
Resumo(s): | Thin films of Pr 0.5 Ca 0.5 MnO 3 have been deposited on z-cut LiNbO 3 by pulsed laser ablation. The X-ray diffraction measurements showed that the films have grown highly oriented on LiNbO 3 , with a pseudocubic (111) preferred growth direction. The thicknesses of the films, measured by low angle X-ray reflectivity, are between 13 and 140 nm. Their electrical resistivity present a semiconducting-like behaviour with an anomaly around 240 K, that corresponds to the charge ordering transition. The temperature of the transition (T_CO) was estimated from ln(r) vs. (1/T) plots. The charge ordering temperature was found to be dependent on the strain induced by the lattice mismatch on the films. |
Tipo: | Artigo em ata de conferência |
URI: | https://hdl.handle.net/1822/27363 |
DOI: | 10.1051/epjconf/20134015010 |
ISSN: | 2100-014X |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | CDF - FCD - Artigos/Papers (with refereeing) |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
---|---|---|---|---|
EPJ Web of Conferences 40, 15010 (2013).pdf | 1,73 MB | Adobe PDF | Ver/Abrir |