Crystal field interactions studied by high-field magnetization

✍ Scribed by R.J. Radwański; J.J.M. Franse

• Publisher: Elsevier Science
• Year: 1992
• Tongue: English
• Weight: 460 KB
• Volume: 177
• Category: Article
• ISSN: 0921-4526
• DOI: 10.1016/0921-4526(92)90094-9

✦ Synopsis

The effect of crystalline electric field (CEF) interactions of the 4f ions on the magnetization process is reviewed for some intermetallic compounds. Special emphasis is given to metamagnetic transitions.

The transitions in Ho,Co,, are exchange-driven transitions associated with the formation of a non-collinear magnetic structure in contrast to the transition found in DyCo,Si, that is of a level-crossing type. The transition found in Pr,Fe,,B results from a competition between lower and higher order crystal field terms. The formation of the rare earth moment under the action of CEF and exchange interactions as well as of external fields is analyzed.