Academic Journal
Tunable spin polarization and superconductivity in engineered oxide interfaces
| العنوان: | Tunable spin polarization and superconductivity in engineered oxide interfaces |
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| المؤلفون: | Stornaiuolo, D., Cantoni, C., De Luca, G. M., Di Capua, R., Di Gennaro, E., Jouault, B., Marrè, D., Massarotti, D., Granozio, F. Miletto, Pallecchi, I., Piamonteze, C., Rusponi, S., Tafuri, F., Salluzzo, M., GHIRINGHELLI, GIACOMO CLAUDIO |
| المساهمون: | Stornaiuolo, D., Cantoni, C., De Luca, G. M., Di Capua, R., Di Gennaro, E., Ghiringhelli, GIACOMO CLAUDIO, Jouault, B., Marrè, D., Massarotti, D., Granozio, F. Miletto, Pallecchi, I., Piamonteze, C., Rusponi, S., Tafuri, F., Salluzzo, M. |
| سنة النشر: | 2016 |
| المجموعة: | RE.PUBLIC@POLIMI - Research Publications at Politecnico di Milano |
| مصطلحات موضوعية: | Anisotropy, Magnetic Field, Materials Testing, Metal, Oxide, Chemistry (all), Materials Science (all), Condensed Matter Physic, Mechanics of Material, Mechanical Engineering |
| الوصف: | Advances in growth technology of oxide materials allow single atomic layer control of heterostructures. In particular delta doping, a key materials' engineering tool in today's semiconductor technology, is now also available for oxides. Here we show that a fully electric-field-tunable spin-polarized and superconducting quasi-2D electron system (q2DES) can be artificially created by inserting a few unit cells of delta doping EuTiO3 at the interface between LaAlO3 and SrTiO3 oxides. Spin polarization emerges below the ferromagnetic transition temperature of the EuTiO3 layer (TFM = 6-8 K) and is due to the exchange interaction between the magnetic moments of Eu-4f and of Ti-3d electrons. Moreover, in a large region of the phase diagram, superconductivity sets in from a ferromagnetic normal state. The occurrence of magnetic interactions, superconductivity and spin-orbit coupling in the same q2DES makes the LaAlO3/EuTiO3/SrTiO3 system an intriguing platform for the emergence of novel quantum phases in low-dimensional materials. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | ELETTRONICO |
| اللغة: | English |
| Relation: | info:eu-repo/semantics/altIdentifier/pmid/26641020; info:eu-repo/semantics/altIdentifier/wos/WOS:000370967400011; volume:15; issue:3; firstpage:278; lastpage:283; numberofpages:6; journal:NATURE MATERIALS; http://hdl.handle.net/11311/1014864; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84959516062; http://www.nature.com/nmat/ |
| DOI: | 10.1038/nmat4491 |
| الاتاحة: | http://hdl.handle.net/11311/1014864 https://doi.org/10.1038/nmat4491 http://www.nature.com/nmat/ |
| Rights: | info:eu-repo/semantics/openAccess |
| رقم الانضمام: | edsbas.70ECC2D1 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1038/nmat4491 |
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