CHALOUPKA, Jiří, George JACKELI and Giniyat KHALIULLIN. Zigzag Magnetic Order in the Iridium Oxide Na2IrO3. Physical Review Letters, USA: The Americal Physical Society, 2013, vol. 110, No 9, p. "097204-1"-"097204-5". ISSN 0031-9007. doi:10.1103/PhysRevLett.110.097204.
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Basic information
Original name Zigzag Magnetic Order in the Iridium Oxide Na2IrO3
Authors CHALOUPKA, Jiří (203 Czech Republic, guarantor, belonging to the institution), George JACKELI (268 Georgia) and Giniyat KHALIULLIN (643 Russian Federation).
Edition Physical Review Letters, USA, The Americal Physical Society, 2013, 0031-9007.
Other information
Original language English
Type of outcome article in a journal
Field of Study 10302 Condensed matter physics
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 7.728
RIV identification code RIV/00216224:14740/13:00068177
Organization unit Central European Institute of Technology
Doi http://dx.doi.org/10.1103/PhysRevLett.110.097204
UT WoS 000315488300015
Keywords in English layered iridates; quantum magnetism; spin-orbital entanglement;
Tags rivok
Tags International impact, Reviewed
Changed by Changed by: Olga Křížová, učo 56639. Changed: 6/4/2014 14:14.
Abstract
We explore the phase diagram of spin-orbit Mott insulators on a honeycomb lattice, within the Kitaev-Heisenberg model extended to its full parameter space. Zigzag-type magnetic order is found to occupy a large part of the phase diagram of the model, and its physical origin is explained as due to interorbital t2g-eg hopping. Magnetic susceptibility, spin wave spectra, and zigzag order parameter are calculated and compared to the experimental data, obtaining thereby the spin coupling constants in Na2IrO3 and Li2IrO3.
Abstract (in Czech)
Zkoumáme fázový diagram Mottových izolantů se silnou spin-orbitální vazbou na voštinové mřížce s využitím Kitaevova-Heisenbergova modelu rozšířeného na celý prostor parametrů. Magnetické uspořádání typu zigzag zabírá značnou část fázového diagramu. Jeho fyzikální původ spočívá v meziorbitalových t2g-eg přeskocích. Vypočtena a porovnána s experimentem jsou magnetická susceptibilita, spektrum spinových vln a parametr uspořádání. Takto jsou získány hodnoty vazebných konstant interakce mezi spiny v Na2IrO3 a Li2IrO3.
Links
ED1.1.00/02.0068, research and development projectName: CEITEC - central european institute of technology
286154, internal MU codeName: SYLICA - Synergies of Life and Material Sciences to Create a New Future (Acronym: SYLICA)
Investor: European Union, 7th Specific RTD Programme, Capacities
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