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- W4386024710 abstract "Due to interesting properties such as perpendicular magnetic anisotropy (PMA), ferrimagnetism, etc., rare earth-transition metal(RE-TM) alloys attract considerable attention in ultrafast and terahertz spintronics applications. The magnetic properties of RE-TM alloys strongly depend on their composition and vary with temperature. Here, we model crystallographically amorphous ferrimagnetic TbCo using atomistic spin dynamics(ASD) simulations to study their temperature dependence on magnetic properties by varying the compositions. In this study, we investigate the temperature dependence of magnetisation, uniaxial anisotropy, and coercivity values of amorphous TbxCo100−x for the composition range Tb18Co82 to Tb36Co64. The monte carlo method is used to calculate the temperature dependence of magnetisation and calculate the magnetisation compensation temperature(TM) and curie temperature(Tc) values for different compositions. The temperature dependence of uniaxial anisotropy is calculated from the angular dependence of free energy curves calculated at different temperatures using constrained monte carlo methods. Further, we evaluate the temperature dependence of coercivity values by calculating the magnetic hysteresis at different temperatures using the LLG Heun method. The results show the magnetic properties of amorphous TbCo can be easily tuned by varying their composition and have a strong temperature dependence. These highly tunable magnetic properties make them promising candidates for spintronics applications." @default.
- W4386024710 created "2023-08-22" @default.
- W4386024710 creator A5066530066 @default.
- W4386024710 creator A5077066331 @default.
- W4386024710 date "2023-11-01" @default.
- W4386024710 modified "2023-09-26" @default.
- W4386024710 title "Temperature dependent magnetic properties of crystallographically amorphous TbCo: An atomistic simulation study" @default.
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- W4386024710 doi "https://doi.org/10.1016/j.jmmm.2023.171158" @default.
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