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Symmetry reduction in the quantum kagome antiferromagnet herbertsmithite


Zorko, A.; Herak, Mirta; Gomilšek, M.; van Tol, J.; Velazquez, M.; Khuntia, P.; Bert, F.; Mendels, P.
Symmetry reduction in the quantum kagome antiferromagnet herbertsmithite // Physical Review Letters, 118 (2017), 1; 017202-1 doi:10.1103/PhysRevLett.118.017202 (međunarodna recenzija, članak, znanstveni)


Naslov
Symmetry reduction in the quantum kagome antiferromagnet herbertsmithite

Autori
Zorko, A. ; Herak, Mirta ; Gomilšek, M. ; van Tol, J. ; Velazquez, M. ; Khuntia, P. ; Bert, F. ; Mendels, P.

Izvornik
Physical Review Letters (0031-9007) 118 (2017), 1; 017202-1

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

Ključne riječi
Spin liquid ; quantum kagome antiferromagnet ; herbertsmithite

Sažetak
Employing complementary torque magnetometry and electron spin resonance on single crystals of herbertsmithite, the closest realization to date of a quantum kagome antiferromagnet featuring a spin-liquid ground state, we provide novel insight into different contributions to its magnetism. At low temperatures, two distinct types of defects with different magnetic couplings to the kagome spins are found. Surprisingly, their magnetic response contradicts the three-fold symmetry of the ideal kagome lattice, suggesting the presence of a global structural distortion that may be related to the establishment of the spin-liquid ground state.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
HRZZ-UIP-2014-09-9775 - utjecaj magnetske anziotropije na kvantne spinske sustave (Mirta Herak, )

Ustanove
Institut za fiziku, Zagreb

Autor s matičnim brojem:
Mirta Herak, (245704)

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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