Spherical sample holders to improve the susceptibility measurement of
superparamagnetic materials [PDF]
Thomas Friedrich, Tobias Lang, Ingo Rehberg, Reinhard RichterThe design of two custom sample holders with a spherical cavity for commercial vibrating sample magnetometer systems is described. For such cavities the magnetization M and the internal magnetic field Hi of a sample are both homogeneous. Consequently, the material parameter M(Hi) of a sample can be determined even for liquids and powders with a high magnetic susceptibility.View original: http://arxiv.org/abs/1110.5739
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