dc.contributor.author |
Ksoll, P. |
en_US |
dc.contributor.author |
MANDAL, R. |
en_US |
dc.contributor.author |
Meyer, C. |
en_US |
dc.contributor.author |
Schuler, L. |
en_US |
dc.contributor.author |
Roddatis, V. |
en_US |
dc.contributor.author |
Moshnyaga, V. |
en_US |
dc.date.accessioned |
2021-06-11T04:37:27Z |
|
dc.date.available |
2021-06-11T04:37:27Z |
|
dc.date.issued |
2021-05 |
en_US |
dc.identifier.citation |
Physical Review B, 103(19), 195120. |
en_US |
dc.identifier.issn |
2469-9969 |
en_US |
dc.identifier.issn |
2469-9950 |
en_US |
dc.identifier.uri |
http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/5937 |
|
dc.identifier.uri |
https://doi.org/10.1103/PhysRevB.103.195120 |
en_US |
dc.description.abstract |
We report [( LaNiO3)(n)/(LaMnO3)(n)] M/SrTiO3(111) superlattices [n = 20, 10, 5, 2, and 1 unit cells (u.c.)] as "precursor" heterostructures for a double perovskite La2NiMnO6. A charge transfer at the LaNiO3/LaMnO3 interfaces and formation of the emergent La2NiMnO6 phase with Ni2+ and Mn4+ oxidation states was evidenced by in situ optical ellipsometry and supported by magnetic and Raman measurements. The 10/10 and 5/5 superlattices revealed a complex magnetic behavior with two ferromagnetic phase transitions with TC-low = 170K and TC-high similar to 250-280K, originating from the ferromagnetic LaMnO3 and the emergent interfacial La2NiMnO6 phase, respectively. With decreasing thickness of individual layers, the magnetism of 2/2 and 1/1 superlattices transforms into that of the ordered double perovskite La2NiMnO6. Furthermore, a structural reconstruction into a monoclinic (P-12) structure of the ordered La2NiMnO6 at the interface, evidenced by Raman spectroscopy, goes ahead with the charge transfer and magnetic La2NiMnO6 behavior. |
en_US |
dc.language.iso |
en |
en_US |
dc.publisher |
American Physical Society |
en_US |
dc.subject |
Neutron-Diffraction |
en_US |
dc.subject |
Raman-Spectroscopy |
en_US |
dc.subject |
Exchange Bias |
en_US |
dc.subject |
Magnetoresistance |
en_US |
dc.subject |
Temperature |
en_US |
dc.subject |
2021-JUN-WEEK2 |
en_US |
dc.subject |
TOC-JUN-2021 |
en_US |
dc.subject |
2021 |
en_US |
dc.title |
Emergent double perovskite phase at LaMnO3/LaNiO3 interfaces: Coupled charge transfer and structural reconstruction |
en_US |
dc.type |
Article |
en_US |
dc.contributor.department |
Dept. of Physics |
en_US |
dc.identifier.sourcetitle |
Physical Review B |
en_US |
dc.publication.originofpublisher |
Foreign |
en_US |