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Table 1 The roughness and grain size of MnZn ferrite thin film deposited at different RF power

From: Infrared Properties and Terahertz Wave Modulation of Graphene/MnZn Ferrite/p-Si Heterojunctions

RF sputtering power (W) Ra (nm) RMS (nm) The length of maximum grains (nm) The width of maximum grains (nm)
90 53.70 64.96 250.19 40.84
100 65.24 81.35 156.36 21.30
120 80.26 93.91 230.11 24.48
130 74.56 88.51 347.03 38.31
150 75.07 90.62 533.74 34.34