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Propriétés structurales et diélectrique de BiFe03 en couche mince

Abstract : A major challenge in microelectronics is the increase of data storage as well as processors performancies. Unfortunatelly, this challenge involves a drastic reduction of size of the fundamental device of a computer down to the nano scale. At this scale, properties of matter are still not fully understood. One of the key materials to reach this challenge are multiferroics where the magnetism and the ferroelectricity can interact leading to low consuming and fast Random Access Memories. This work deals with the study of famous multiferroics BiFeO3 (BFO) focussing on the coupling between magnetic ordering, ferroelectric ordering and strain as the dimensionality of the system is reduced to several nanometers
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Submitted on : Wednesday, November 30, 2011 - 3:58:27 PM
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  • HAL Id : tel-00646714, version 1

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Bertrand Dupe. Propriétés structurales et diélectrique de BiFe03 en couche mince. Sciences de l'ingénieur [physics]. Ecole Centrale Paris, 2010. Français. ⟨NNT : 2010ECAP0031⟩. ⟨tel-00646714⟩

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