A magnetic inductive method for investigating the magnetic properties of ferromagnetic substances over a broad range of temperatures under pressure in diamond-anvil cells is described. The proposed method exploits the fact that ferromagnetic substances change their dynamic magnetic susceptibility during magnetization by a constant external magnetic field up to the point of saturation. With increasing magnetic field, however, the magnetic properties of components of the high-pressure cell are essentially invariant. Therefore, the signal from the sample can be distinguished from that of the background caused asymmetries in the inductance system and the disposition of metal parts in the diamond-anvil cell. Measurements on CdCr2Se4 and iron demonstrate the feasibility of the method.
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Timofeev et al. (1999) studied this question.
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