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EnglishWe report anelastic spectroscopy measurements of La1-xCaxMnO3 performed in order to better characterize the nature of the phase transitions and microscopic lattice relaxation processes present in these materials. A peak in the imaginary part of the elastic susceptibility presents a behaviour typical of inhomogeneous and glass-like systems. We have performed a quantitative analysis calculating the temperature dependent distribution function of the energy barriers of the fluctuations characterizing this nanostructured state
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http://hdl.handle.net/11567/211117| Titolo: | Dynamics of the low temperature glass-like phase in manganites |
| Autori interni: | FERRETTI, MAURIZIO |
| Data di pubblicazione: | 2003 |
| Rivista: | INTERNATIONAL JOURNAL OF MODERN PHYSICS B |
| Abstract: | We report anelastic spectroscopy measurements of La1-xCaxMnO3 performed in order to better characterize the nature of the phase transitions and microscopic lattice relaxation processes present in these materials. A peak in the imaginary part of the elastic susceptibility presents a behaviour typical of inhomogeneous and glass-like systems. We have performed a quantitative analysis calculating the temperature dependent distribution function of the energy barriers of the fluctuations characterizing this nanostructured state |
| Handle: | http://hdl.handle.net/11567/211117 |
| Appare nelle tipologie: | 01.01 - Articolo su rivista |
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