Cao, D.; Liu, B.; Yu, H.; Hu, W.; Cai, M. - In: The European Physical Journal B - Condensed Matter and … 86 (2013) 12, pp. 1-6
The critical thickness for ferroelectricity and magnetoelectric effects have been investigated for the multiferroic tunnel junction with symmetric and asymmetric metallic electrodes based on density functional theory. The ferroelectric polarization of a barrier is still retained down to 2 unit...