ESR Study of the Triangular Lattice Antiferromagnets with <i>S</i>=1/2: NaTiO<sub>2</sub> and LiNiO<sub>2</sub>
Recent experimental studies on NaTiO 2 and LiNiO 2 suggest that they might be rare compounds of 2D triangular lattice antiferromagnet with S =1/2, the former being Heisenberg-li...