DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Tailoring magnetic order via atomically stacking 3d/5d electrons to achieve high-performance spintronic devices

Journal Article · · Applied Physics Reviews
DOI: https://doi.org/10.1063/1.5124373 · OSTI ID:1634076
 [1]; ORCiD logo [2];  [3]; ORCiD logo [1];  [4]; ORCiD logo [5];  [1]; ORCiD logo [6];  [1];  [1];  [1]; ORCiD logo [7]; ORCiD logo [8];  [1]; ORCiD logo [9]; ORCiD logo [5];  [1]; ORCiD logo [6]; ORCiD logo [3];  [6] more »; ORCiD logo [10] « less
  1. Nanyang Technological Univ. (Singapore)
  2. Tsinghua Univ., Beijing (China); Rutgers Univ., Piscataway, NJ (United States)
  3. Oregon State Univ., Corvallis, OR (United States)
  4. Uppsala Univ. (Sweden); SRM Univ. AP, Amaravati (India)
  5. National Univ. of Singapore (Singapore)
  6. Tsinghua Univ., Beijing (China)
  7. Queensland Univ. of Technology, Brisbane, QLD (Australia); La Trobe Univ., Melbourne, VIC (Australia)
  8. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
  9. Uppsala Univ. (Sweden)
  10. Nanyang Technological Univ. (Singapore); Nanyang Technological Univ. (Singapore)

The ability to tune magnetic orders, such as magnetic anisotropy and topological spin texture, is desired to achieve high-performance spintronic devices. A recent strategy has been to employ interfacial engineering techniques, such as the introduction of spin-correlated interfacial coupling, to tailor magnetic orders and achieve novel magnetic properties. We chose a unique polar-nonpolar LaMnO3/SrIrO3 superlattice because Mn (3d)/Ir (5d) oxides exhibit rich magnetic behaviors and strong spin-orbit coupling through the entanglement of their 3d and 5d electrons. Through magnetization and magnetotransport measurements, we found that the magnetic order is interface-dominated as the superlattice period is decreased. We were able to then effectively modify the magnetization, tilt of the ferromagnetic easy axis, and symmetry transition of the anisotropic magnetoresistance of the LaMnO3/SrIrO3 superlattice by introducing additional Mn (3d) and Ir (5d) interfaces. Further investigations using in-depth first-principles calculations and numerical simulations revealed that these magnetic behaviors could be understood by the 3d/5d electron correlation and Rashba spin-orbit coupling. Finally, the results reported here demonstrate a new route to synchronously engineer magnetic properties through the atomic stacking of different electrons, which would contribute to future applications in high-capacity storage devices and advanced computing.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1634076
Journal Information:
Applied Physics Reviews, Journal Name: Applied Physics Reviews Journal Issue: 1 Vol. 7; ISSN 1931-9401
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

References (35)

Anisotropic magnetoresistance of (00h), (0hh) and (hhh) La2/3Sr1/3MnO3 thin films on (001) Si substrates journal March 2000
Advances in the growth and characterization of magnetic, ferroelectric, and multiferroic oxide thin films journal May 2010
Charge Transfer in Iridate-Manganite Superlattices journal March 2017
Emergent Topological Hall Effect in La 0.7 Sr 0.3 MnO 3 /SrIrO 3 Heterostructures journal May 2019
Emergent phenomena induced by spin–orbit coupling at surfaces and interfaces journal November 2016
Emerging magnetism and anomalous Hall effect in iridate–manganite heterostructures journal September 2016
Why some interfaces cannot be sharp journal January 2006
Emergent phenomena at oxide interfaces journal January 2012
Ambipolar ferromagnetism by electrostatic doping of a manganite journal May 2018
Interface-based tuning of Rashba spin-orbit interaction in asymmetric oxide heterostructures with 3d electrons journal July 2019
Origin of the twofold and fourfold symmetric anisotropic magnetoresistance in epitaxial Fe3O4 films journal November 2010
Enhanced Rashba spin-orbit coupling in core-shell nanowires by the interfacial effect journal February 2019
Atomic-scale control of magnetic anisotropy via novel spin–orbit coupling effect in La 2/3 Sr 1/3 MnO 3 /SrIrO 3 superlattices journal May 2016
Mixed-valence manganites journal November 2009
Mixed-valence manganites journal March 1999
Review of Spin–Orbit Coupled Semimetal SrIrO 3 in Thin Film Form journal September 2017
Oscillatory effects and the magnetic susceptibility of carriers in inversion layers journal November 1984
Topological Hall effect and emergent skyrmion crystal at manganite-iridate oxide interfaces journal August 2019
Intrinsic and Rashba spin-orbit interactions in graphene sheets journal October 2006
Electronic structure and anomalous Hall effect in the ferromagnetic 3 d − 5 d superlattice SrMnO 3 / SrIrO 3 journal June 2019
Novel J eff = 1 / 2 Mott State Induced by Relativistic Spin-Orbit Coupling in Sr 2 IrO 4 journal August 2008
Tunable Rashba Spin-Orbit Interaction at Oxide Interfaces journal March 2010
Tuning Perpendicular Magnetic Anisotropy by Oxygen Octahedral Rotations in ( La 1 − x Sr x MnO 3 ) / ( SrIrO 3 ) Superlattices journal August 2017
Electron Accumulation and Emergent Magnetism in LaMnO 3 / SrTiO 3 Heterostructures journal October 2017
Experimental Confirmation of the X-Ray Magnetic Circular Dichroism Sum Rules for Iron and Cobalt journal July 1995
Quantum Spin Hall Effect in Graphene journal November 2005
The physics of manganites: Structure and transport journal August 2001
Imaging and control of ferromagnetism in LaMnO3/SrTiO3 heterostructures journal August 2015
Anomalous Hall Effect –A New Perspective– journal April 2006
Sensitively Temperature-Dependent Spin Orbit Coupling in SrIrO3 Thin Films text January 2013
Twofold and Fourfold Symmetric Anisotropic Magnetoresistance Effect in A Model with Crystal Field text January 2015
Enhanced Rashba spin-orbit coupling in core-shell nanowires by the interfacial effect text January 2018
Why Some Interfaces Cannot be Sharp text January 2005
Sensitively Temperature-Dependent Spin–Orbit Coupling in SrIrO 3 Thin Films journal May 2014
Twofold and Fourfold Symmetric Anisotropic Magnetoresistance Effect in a Model with Crystal Field journal September 2015