We perform^(85)Rb nuclear magnetic resonance(NMR)measurements on the S=1 bilayer triangular-lattice antiferromagnet Rb_(2)Ni_(2)(SeO_(3))_(3)in magnetic fields up to_(2)6 T.In the field range from 3 to_(2)6 T,the NMR ...We perform^(85)Rb nuclear magnetic resonance(NMR)measurements on the S=1 bilayer triangular-lattice antiferromagnet Rb_(2)Ni_(2)(SeO_(3))_(3)in magnetic fields up to_(2)6 T.In the field range from 3 to_(2)6 T,the NMR spectral lines split,and their respective spectral weight ratios reveal the existence of the magnetic up-up-down(UUD)phase,although the 1/3-plateau phase is only attained in fields above 16 T.展开更多
基金supported by the National Key Research and Development Program of China(Grant Nos.2023YFA1406500 and 2024YFA1409200)the National Natural Science Foundation of China(Grant Nos.12374156,12134020,12334008,12374142,and 12304170)+2 种基金the Scientific Research Innovation Capability Support Project for Young Faculty(Grant No.ZYGXQNJSKYCXNLZCXM-M26)the National Key Research and Development Projects of China(Grant No.2022YFA1403402)the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB1270100)。
文摘We perform^(85)Rb nuclear magnetic resonance(NMR)measurements on the S=1 bilayer triangular-lattice antiferromagnet Rb_(2)Ni_(2)(SeO_(3))_(3)in magnetic fields up to_(2)6 T.In the field range from 3 to_(2)6 T,the NMR spectral lines split,and their respective spectral weight ratios reveal the existence of the magnetic up-up-down(UUD)phase,although the 1/3-plateau phase is only attained in fields above 16 T.