Hyperhoneycomb Iridate β − Li 2 IrO 3 as a Platform for Kitaev Magnetism

Takayama, T.; Kato, A.; Dinnebier, R.; Nuss, J.; Kono, H.; Veiga, L. S. I.; Fabbris, G.; Haskel, D.; Takagi, H.

doi:10.1103/PhysRevLett.114.077202

Title: Hyperhoneycomb Iridate $β − {Li}_{2} {IrO}_{3}$ as a Platform for Kitaev Magnetism

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Authors:: Takayama, T.; Kato, A.; Dinnebier, R.; Nuss, J.; Kono, H.; Veiga, L. S. I.; Fabbris, G.; Haskel, D.; Takagi, H.

Publication Date:: Thu Feb 19 00:00:00 EST 2015

Sponsoring Org.:: USDOE

OSTI Identifier:: 1181462

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Publisher's Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Name: Physical Review Letters Journal Volume: 114 Journal Issue: 7; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

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                    Takayama, T., Kato, A., Dinnebier, R., Nuss, J., Kono, H., Veiga, L. S. I., Fabbris, G., Haskel, D., and Takagi, H. Hyperhoneycomb Iridate β − Li 2 IrO 3 as a Platform for Kitaev Magnetism.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevLett.114.077202.

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                    Takayama, T., Kato, A., Dinnebier, R., Nuss, J., Kono, H., Veiga, L. S. I., Fabbris, G., Haskel, D., & Takagi, H. Hyperhoneycomb Iridate β − Li 2 IrO 3 as a Platform for Kitaev Magnetism.  United States.  https://doi.org/10.1103/PhysRevLett.114.077202

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                    Takayama, T., Kato, A., Dinnebier, R., Nuss, J., Kono, H., Veiga, L. S. I., Fabbris, G., Haskel, D., and Takagi, H. Thu .  
"Hyperhoneycomb Iridate β − Li 2 IrO 3 as a Platform for Kitaev Magnetism".  United States.  https://doi.org/10.1103/PhysRevLett.114.077202.

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@article{osti_1181462,

  title        = {Hyperhoneycomb Iridate β − Li 2 IrO 3 as a Platform for Kitaev Magnetism},

  author       = {Takayama, T. and Kato, A. and Dinnebier, R. and Nuss, J. and Kono, H. and Veiga, L. S. I. and Fabbris, G. and Haskel, D. and Takagi, H.},

  abstractNote = {},

  doi          = {10.1103/PhysRevLett.114.077202},

  journal      = {Physical Review Letters},

  number       = 7,

  volume       = 114,

  place        = {United States},

  year         = {Thu Feb 19 00:00:00 EST 2015},

  month        = {Thu Feb 19 00:00:00 EST 2015}

}

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Hyperhoneycomb Iridate $β - {Li}_{2} {IrO}_{3}$ as a Platform for Kitaev Magnetism

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A complex iridium oxide β-Li₂IrO₃ crystallizes in a hyperhoneycomb structure, a three-dimensional analogue of honeycomb lattice, and is found to be a spin-orbital Mott insulator with J_eff = 1/2 moment. Ir ions are connected to the three neighboring Ir ions via Ir-O₂-Ir bonding planes, which very likely gives rise to bond-dependent ferromagnetic interactions between the J_eff = 1/2 moments, an essential ingredient of Kitaev model with a spin liquid ground state. Dominant ferromagnetic interaction between J(eff) = 1/2 moments is indeed confirmed by the temperature dependence of magnetic susceptibility chi(T) which shows a positive Curie-Weiss temperaturemore »« less
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Title: Hyperhoneycomb Iridate β − Li 2 IrO 3 as a Platform for Kitaev Magnetism

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Title: Hyperhoneycomb Iridate $β − {Li}_{2} {IrO}_{3}$ as a Platform for Kitaev Magnetism