Thermal Expansion Due to Magneto-Volume Effect in Ferromagnetic Metals

  • Kan Usami
  • Tôru Moriya
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 29)


One of the most important consequences of the recent theory of itinerant electron magnetism is that the average squared amplitude of the local spin density SL 2 varies generally with temperature depending on the band structure, the electron occupation and the relative strength of the exchange interaction [1]. Below the Curie temperature TC, SL 2 usually decreases with increasing temperature while it increases with temperature above TC. This temperature variation can be quite significant in many cases and reflects itself in the thermal expansion.


Spin Fluctuation Magnetic Contribution Ferromagnetic Metal Invar Alloy Uniform Magnetization 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1981

Authors and Affiliations

  • Kan Usami
    • 1
  • Tôru Moriya
    • 1
  1. 1.Institute for Solid State PhysicsUniversity of TokyoRoppongi, 106 TokyoJapan

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