@article{e86463e24e0a4ebbb32c5b438486f6f9,
title = "Ba8CoNb6 O24: A spin- 12 triangular-lattice Heisenberg antiferromagnet in the two-dimensional limit",
abstract = "The perovskite Ba8CoNb6O24 comprises equilateral effective spin-12 Co2+ triangular layers separated by six nonmagnetic layers. Susceptibility, specific heat, and neutron scattering measurements combined with high-temperature series expansions and spin-wave calculations confirm that Ba8CoNb6O24 is basically a two-dimensional magnet with no detectable spin anisotropy and no long-range magnetic ordering down to 0.06 K. In other words, Ba8CoNb6O24 is very close to be a realization of the paradigmatic spin-12 triangular Heisenberg model, which is not expected to exhibit symmetry breaking at finite temperatures according to the Mermin and Wagner theorem.",
author = "R. Rawl and L. Ge and H. Agrawal and Y. Kamiya and {Dela Cruz}, {C. R.} and Butch, {N. P.} and Sun, {X. F.} and M. Lee and Choi, {E. S.} and J. Oitmaa and Batista, {C. D.} and M. Mourigal and Zhou, {H. D.} and J. Ma",
note = "Publisher Copyright: {\textcopyright} 2017 American Physical Society.",
year = "2017",
month = feb,
day = "17",
doi = "10.1103/PhysRevB.95.060412",
language = "English",
volume = "95",
journal = "Physical Review B",
issn = "2469-9950",
publisher = "American Physical Society",
number = "6",
}