Frustrated Heisenberg J1−J2 model within the stretched diamond lattice of LiYbO2

  title={Frustrated Heisenberg 
 model within the stretched diamond lattice of 
  author={Mitchell M. Bordelon and Chunxiao Liu and Lorenzo Posthuma and Eric M. Kenney and Michael J. Graf and Nicholas P. Butch and Arnab Banerjee and Stuart Calder and Leon Balents and Stephen D. Wilson},
  journal={Physical Review B},
$A\phantom{\rule{0}{0ex}}R$O${}_{2}$ ($A$=alkali, $R$=rare earth) compounds are well known for forming layered triangular lattices, but they also form other structures. One of these is a three-dimensional tetragonal form chosen by LiYbO${}_{2}$, which is experimentally and theoretically explored in this paper. An unusual spiral magnetic state forms, reflective of frustration inherent to the stretched diamond network of Yb ions. This is modeled by a Heisenberg model, which further predicts a… 
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