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Figure 1

From: Spin glass behavior and magnetic boson peak in a structural glass of a magnetic ionic liquid

Figure 1

Magnetic properties of a magnetic ionic liquid (MIL). (a) Molecular structure of the MIL C4mimFeCl4, where the FeCl4− anion has a spin of 5/2. (b) Temperature dependence of magnetic susceptibility in glassy and crystalline C4mimFeCl4. Inset shows an enlarged plot below 10 K. (c) Zero-field-cooled (ZFC) and field-cooled (FC) susceptibilities in the glassy state on heating at T ≤ 0.8 K. Open triangles represent magnetization with an intermittent stop for 50 min at T = 0.2 K. The glassy sample displays a spin glass transition at TSG = 0.4 K, while the crystalline one exhibits an antiferromagnetic ordering at TN = 2.3 K. All the susceptibility data were obtained under an applied magnetic field of 100 Oe.

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