Journal
NEW JOURNAL OF PHYSICS
Volume 15, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/15/2/023022
Keywords
-
Categories
Funding
- NSF [DMR-0955822, DMR-1120296]
- LDRD program at SLAC
- Alfred P Sloan Research fellowship
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0955822] Funding Source: National Science Foundation
Ask authors/readers for more resources
Rashba spin-orbit coupling together with electron correlations in the metallic interface between SrTiO3 and LaAlO3 can lead to an unusual combination of magnetic and orbital ordering. We consider such phenomena in the context of the recent observation of anisotropic magnetism. Firstly, we show that Rashba spin-orbit coupling can account for the observed magnetic anisotropy, assuming a correlation driven (Stoner type) instability toward ferromagnetism. Secondly, we investigate nematicity in the form of an orbital imbalance between d(xz)/d(yz) orbitals. We find an enhanced susceptibility toward nematicity due to the van Hove singularity in the low-electron-density regime. In addition, the coupling between in-plane magnetization anisotropy and nematic order provides an effective symmetry breaking field in the magnetic phase. We estimate this coupling to be substantial in the low-electron-density regime. The resulting orbital ordering can affect magneto transport.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available