Science. 1968 Oct 11;162(3850):256-8. doi: 10.1126/science.162.3850.256.
The Néel thermal-activation theory of remanence in monodomain grains has been verified quantitatively in experiments on four ferrite micropowders and two natural rocks. Magnetization and demagnetization curves of thermal, isothermal, viscous, and anhysteretic remanences can all be predicted with reasonable accuracy when the Neél theory is generalized to include effects of grain interaction. Results with the natural materials indicate that interacting, single-domain grains or regions are the carriers of the magnetically hard natural remanence of some paleomagnetic rocks.
Néel 热激活剩磁理论在对四个铁氧体微粉和两个天然岩石的实验中得到了定量验证。当 Neél 理论被推广到包含晶粒相互作用的影响时，热、等温、粘性和无滞后剩磁的磁化和退磁曲线都可以得到合理的准确预测。天然材料的结果表明，相互作用的单畴晶粒或区域是一些古地磁岩石的天然硬剩磁的载体。
