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Engineering a Spin-Orbital Magnetic Insulator by Tailoring Superlattices

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Matsuno, J., Ihara, K., Yamamura, S., Wadati, H., Ishii, K., Shankar, V. V., Kee, Hae-Young, Takagi, H.·2015·Physical Review Letters

Abstract

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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Metadata

Authors
Matsuno, J., Ihara, K., Yamamura, S., Wadati, H., Ishii, K., Shankar, V. V., Kee, H.-Y., & Takagi, H.
Venue
Physical Review Letters
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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CoChat. (2026). Citation check: Engineering a Spin-Orbital Magnetic Insulator by Tailoring Superlattices. https://app.cochat.ai/papers/10.1103/physrevlett.114.247209
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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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