Role of ion beam excitations on quasi one-dimensional magnetic system of Mn-doped LiCuVO4
作者： Abhishek Kumar , GD Dwivedi , Shiv Kumar , P Shahi , KK Shukla
DOI: 10.1016/J.MATCHEMPHYS.2015.04.029
关键词:
摘要: Induction of short range ferromagnetic ordering has been observed in the quasi one dimensional antiferromagnetic LiCuVO4 system with doping Mn octahedral (Cu) site. Though, magnetic is not stable enough as further increase Mn-concentration, gets deteriorated. This might be case that 2þ ions, strong moment compared to Cu enhance coupling between nearest neighbor atoms quasi-one-dimensional system. Ferromagnetic LiCu0.95Mn0.05VO4 also degraded after high energy ion beam excitation which creates defects and may disturb its near locality but it does have much effect on long ordering. Irradiation causes no change Raman modes system, while produces some new vibrational intermediate frequency region LiCu0.9Mn0.1VO4 Above results understood based competitions (NN) next (NNN) CuO2 chain.
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