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Localization of Two-dimensional Electron Gas in LaAlO3/SrTiO3 Heterostructures

Autor: Hernandez, T., Bark, C. W., Felker, D. A., Eom, C. B., Rzchowski, M. S.

We report strong localization of 2D electron gas in LaAlO3 / SrTiO3 epitaxial thin-film heterostructures grown on (LaAlO3)0.3-(Sr2AlTaO3)0.7 substrates by using pulsed laser deposition with in-situ reflection high-energy electron diffraction. Using l

Externí odkaz: http://arxiv.org/abs/1110.3252

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Tailoring a two-dimensional electron gas at the LaAlO3/SrTiO3 (001) interface by epitaxial strain

Autor: Bark, C. W., Felker, D. A., Wang, Y., Zhang, Y., Jang, H. W., Folkman, C. M., Park, J. W., Baek, S. H., Pan, X. Q., Tsymbal, E. Y., Rzchowski, M. S., Eom, C. B.

Recently a metallic state was discovered at the interface between insulating oxides, most notably LaAlO3 and SrTiO3. Properties of this two-dimensional electron gas (2DEG) have attracted significant interest due to its potential applications in nanoe

Externí odkaz: http://arxiv.org/abs/1011.4082

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Tunneling electroresistance effect in ferroelectric tunnel junctions at the nanoscale

Autor: Gruverman, A., Wu, D., Lu, H., Wang, Y., Jang, H. W., Folkman, C. M., Zhuravlev, M. Ye., Felker, D., Rzchowski, M., Eom, C. -B., Tsymbal, E. Y.

Publikováno v: Nano Lett., 2009, 9 (10), pp 3539-3543

Stable and switchable polarization of ferroelectric materials opens a possibility to electrically control their functional behavior. A particularly promising approach is to employ ferroelectric tunnel junctions where the polarization reversal in a fe

Externí odkaz: http://arxiv.org/abs/0906.1521

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