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Durham e-Theses
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Magnetic properties of rare Earth transition metal compounds

Slanicka, Martin (1970) Magnetic properties of rare Earth transition metal compounds. Masters thesis, Durham University.



The structural and magnetic properties of pseudo-binary compounds formed "between the heavy rare earth metals and the transitional metals iron, cobalt or nickel have been investigated. The present work is a continuation of the investigation of the physical properties of the pseudo-binary compounds named above. The magnetic measurements were carried out on a vibrating sample magnetometer in applied magnetic fields of up to 10KOe, The range of temperatures used was from liquid helium (4,2 K) to about 800 K. Further evidence has been found that the room temperature lattice spacing anomaly observed in (Gd, Y) Co(_2), (Gd, Er) Co(_2) systems are due to a transition from the ferromagnetic to the non-ferromagnetic state, with decreasing Gd concentration. Transition metal moment collapse has been observed in series Ho (Co, Ni)(_2) and Er (Co,Ni)(_2 ). The value of, additional 3d - electrons at which the moment collapsed increases going from yttrium to gadolinium compounds.

Item Type:Thesis (Masters)
Award:Master of Science
Thesis Date:1970
Copyright:Copyright of this thesis is held by the author
Deposited On:14 Mar 2014 16:27

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