Supplement File

supplementary material for details on the change in observed MR ratio and 𝛥RA with Mn 387 content in CMFG for the as-deposited, 250{degree sign}C and 350{degree sign}C PA Type-I sample; in-plane R-H curves for 388 the 350 {degree sign}C PA Type-II sample at three different compositions viz. Co2FeGe, Co2Mn0.5Fe0.5Ge and 389 Co2Mn0.9Ge0.1; change in observed MR ratio and 𝛥RA with Mn content in CMFG for the 350{degree sign}C PA 390 Type-II sample; out-of-plane MR curves in the temperature range of 300 K to 50 K for the 350{degree sign}C 391 PA Type-II sample at three different compositions viz. Co2FeGe, Co2Mn0.5Fe0.5Ge and 392 Co2Mn0.9Fe0.1Ge; R-Ib curves at 50 K for several constant μ0Hz values for the 350{degree sign}C PA Type-II 393 sample at three different compositions viz. Co2FeGe, Co2Mn0.5Fe0.5Ge and Co2Mn0.9Fe0.1Ge; and the 394 table showing the summary of MR properties studied at room temperature for the CPP-GMR 395 devices containing Co2MnxFe1-xGe (0 {less than or equal to} x {less than or equal to} 1) Heusler as ferromagnetic layer electrode with 396 metallic spacers.