Titlebook: Recent Advances in Science and Technology of Materials; Volume 1 Adli Bishay (Director) Book 1974 Plenum Press, New York 1974 X-ray.crystal

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Some Recent Results on Paramagnetic Spin-Lattice Relaxation in Hydrated Paramagnetic Salts of the Iragnetic at 17.2°K3 while below 9.3°K also a ferrimagnetic spin arrangement occurs in magnetic fields between 32.0 and 45.5 kOe. Our susceptibility data did confirm the suggested phase diagram. At the antiferromagnetic-ferrimagnetic transition field of 32.0 kOe a relaxation mechanism can be detected.

Solace

Book 1974s of an impurity-vacancy couple, re- orientation may occur either by the vacancy moving around the impu- rity or by an exchange of positions of the partners. In general the activation energy for these two distinct reorientation paths is different. If the complex consists of an impurity-interstitial