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Engineering a Spin-Orbital Magnetic Insulator by Tailoring Superlattices
Open accessAbstract
In 5d Ir oxides with an interplay of spin-orbit coupling and electron correlations, we have tailored a spin-orbital magnetic insulator out of a semimetal SrIrO(3) by tuning the structure through superlattices [(SrIrO(3))(m), SrTiO(3)] (m=1,2,3,4, and ∞). We observed the systematic decrease of the magnetic ordering temperature and the resistivity as a function of m. The transition from the semimetal to the insulator is found to be closely linked to the appearance of magnetism at m≃3. Long range magnetic ordering was realized even in the m=1 single layer superlattice, implying that the design and realization of novel electronic phases is feasible at the level of a single atomic layer in complex Ir oxides.
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Cites
Self-interaction correction to density-functional approximations for many-electron systems
Perdew, J. P., & Zunger, A. (1981) · Physical Review B · doi:10.1103/physrevb.23.5048 · Cited by 20,887
Non-Fermi-liquid and topological states with strong spin-orbit coupling.
Moon, E.-G., Xu, C., Kim, Y. B., & Balents, L. (2013) · Physical Review Letters · doi:10.1103/physrevlett.111.206401 · Cited by 260
Cited by
Topological semimetals with helicoid surface states
Fang, C., Lu, L., Liu, J., & Fu, L. (2016) · Nature Physics · doi:10.1038/nphys3782 · Cited by 189
All-in-all-out magnetic domain wall conduction in a pyrochlore iridate heterointerface
Fujita, T. C., Uchida, M., Kozuka, Y., Sano, W., Tsukazaki, A., Arima, T., & Kawasaki, M. (2016) · Physical Review B · doi:10.1103/physrevb.93.064419 · Cited by 34
Metadata
- Authors
- Matsuno, J., Ihara, K., Yamamura, S., Wadati, H., Ishii, K., Shankar, V. V., Kee, H.-Y., & Takagi, H.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2015-06-18
- Volume
- 114
- Issue
- 24
- Pages
- 247209-247209
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1566286039
- Cited by
- 200
- References
- 2
- FWCI
- 14.93
- Type
- journal article
- Language
- en
- Open access
- green
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- Matsuno, J., Ihara, K., Yamamura, S., Wadati, H., Ishii, K., Shankar, V. V., Kee, H.-Y., & Takagi, H. (2015). Engineering a Spin-Orbital Magnetic Insulator by Tailoring Superlattices. Physical Review Letters. https://doi.org/10.1103/physrevlett.114.247209
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