Kinetic exchange and strong ferromagnetic interactions

✍ Scribed by Högni Weihe; Hans U. Güdel

• Publisher: Elsevier Science
• Year: 1996
• Tongue: English
• Weight: 354 KB
• Volume: 261
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(96)00877-9

✦ Synopsis

By using classical ideas of exchange theory we have found that for some specific physical situations kinetic exchange, the second-order effect of virtual electron transfer between magnetic ions, can give rise to strong ferromagnetic interactions. This is in contradiction to earlier belief.