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Pregled bibliografske jedinice broj: 856037

Magnetic Excitations and Electronic Interactions in Sr2CuTeO6: A Spin-1/2 Square Lattice Heisenberg Antiferromagnet


Babkevich, Peter; Katukuri, M. Vamshi; Fåk, B; Rols, S.; Fennell, T.; Pajić, Damir; Tanaka, H.; Pardini, T.; Singh, R.R.P.; Mitrushchenkov, A. et al.
Magnetic Excitations and Electronic Interactions in Sr2CuTeO6: A Spin-1/2 Square Lattice Heisenberg Antiferromagnet // Physical Review Letters, 117 (2016), 237203-1 doi:10.1103/PhysRevLett.117.237203 (međunarodna recenzija, članak, znanstveni)


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Naslov
Magnetic Excitations and Electronic Interactions in Sr2CuTeO6: A Spin-1/2 Square Lattice Heisenberg Antiferromagnet

Autori
Babkevich, Peter ; Katukuri, M. Vamshi ; Fåk, B ; Rols, S. ; Fennell, T. ; Pajić, Damir ; Tanaka, H. ; Pardini, T. ; Singh, R.R.P. ; Mitrushchenkov, A. ; Yazyev, D.V. ; Rønnow, H.M.

Izvornik
Physical Review Letters (0031-9007) 117 (2016); 237203-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
low-dimensional magnet, Heisenberg antiferromagnet, Sr2CuTeO6 double perovskite, ab initio multireference configuration interaction calculations, electronic structure, inelastic neutron scattering, exchange interaction, magnetization

Sažetak
Sr2CuTeO6 presents an opportunity for exploring low-dimensional magnetism on a square lattice of S=1/2 Cu 2+ ions. We employ ab initio multireference configuration interaction calculations to unravel the Cu 2+ electronic structure and to evaluate exchange interactions in Sr2CuTeO6. The latter results are validated by inelastic neutron acattering using linear spin-wave theory and series-expansion corrections for quantum effects to extract true coupling parameters. Using this methodology, which is quite general, we demonstrate that Sr2CuTeO6 is an almost ideal realization of a nearest-neighbor Heisenberg antiferromagnet but with relatively weak coupling of 7.18(5) meV.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
HRZZ-UIP-2014-09-8276 - Magnetoelektrični multiferoični sustavi (FerMaEl) (Pajić, Damir, HRZZ - 2014-09) ( POIROT)

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Damir Pajić (autor)

Citiraj ovu publikaciju

Babkevich, Peter; Katukuri, M. Vamshi; Fåk, B; Rols, S.; Fennell, T.; Pajić, Damir; Tanaka, H.; Pardini, T.; Singh, R.R.P.; Mitrushchenkov, A. et al.
Magnetic Excitations and Electronic Interactions in Sr2CuTeO6: A Spin-1/2 Square Lattice Heisenberg Antiferromagnet // Physical Review Letters, 117 (2016), 237203-1 doi:10.1103/PhysRevLett.117.237203 (međunarodna recenzija, članak, znanstveni)
Babkevich, P., Katukuri, M., Fåk, B., Rols, S., Fennell, T., Pajić, D., Tanaka, H., Pardini, T., Singh, R. & Mitrushchenkov, A. (2016) Magnetic Excitations and Electronic Interactions in Sr2CuTeO6: A Spin-1/2 Square Lattice Heisenberg Antiferromagnet. Physical Review Letters, 117, 237203-1 doi:10.1103/PhysRevLett.117.237203.
@article{article, year = {2016}, pages = {237203-1-237203-6}, DOI = {10.1103/PhysRevLett.117.237203}, keywords = {low-dimensional magnet, Heisenberg antiferromagnet, Sr2CuTeO6 double perovskite, ab initio multireference configuration interaction calculations, electronic structure, inelastic neutron scattering, exchange interaction, magnetization}, journal = {Physical Review Letters}, doi = {10.1103/PhysRevLett.117.237203}, volume = {117}, issn = {0031-9007}, title = {Magnetic Excitations and Electronic Interactions in Sr2CuTeO6: A Spin-1/2 Square Lattice Heisenberg Antiferromagnet}, keyword = {low-dimensional magnet, Heisenberg antiferromagnet, Sr2CuTeO6 double perovskite, ab initio multireference configuration interaction calculations, electronic structure, inelastic neutron scattering, exchange interaction, magnetization} }
@article{article, year = {2016}, pages = {237203-1-237203-6}, DOI = {10.1103/PhysRevLett.117.237203}, keywords = {low-dimensional magnet, Heisenberg antiferromagnet, Sr2CuTeO6 double perovskite, ab initio multireference configuration interaction calculations, electronic structure, inelastic neutron scattering, exchange interaction, magnetization}, journal = {Physical Review Letters}, doi = {10.1103/PhysRevLett.117.237203}, volume = {117}, issn = {0031-9007}, title = {Magnetic Excitations and Electronic Interactions in Sr2CuTeO6: A Spin-1/2 Square Lattice Heisenberg Antiferromagnet}, keyword = {low-dimensional magnet, Heisenberg antiferromagnet, Sr2CuTeO6 double perovskite, ab initio multireference configuration interaction calculations, electronic structure, inelastic neutron scattering, exchange interaction, magnetization} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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