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Figure 4
Magnetization of CaCuGe2O6 as a function of temperature. (a) The temperature dependence of the magnetic susceptibility χ(T) of CaCuGe2O6 measured in external magnetic fields H = 1 Tesla (open circles) and 0.01 Tesla (solid circles). The solid curve represents the Curie–Weiss fit χCW(T) = 0.5105/(T + 34.7) and the dashed curve χC(T) = 0.022/T. (b) The magnetic susceptibility χ(T) of CaCuGe2O6 as measured in an external magnetic field H = 1 Tesla (open circles); the difference, χt(T) = χ(T) − χC(T), is shown as solid squares and the theoretical calculation for isolated AF dimers χd(T) with the parameters g = 2.07 and J/kB = −34 K is drawn as a solid curve.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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