Transition of f electron nature from itinerant to localized: Metamagnetic transition in CeRu2Si2 studied via the de Haas-van Alphen effect

H. Aoki, S. Uji, A. K. Albessard, Y. Nuki

Research output: Contribution to journalArticlepeer-review

203 Citations (Scopus)

Abstract

We report the measurements of the de Haas-van Alphen (dHvA) effect for field ranges below and above the metamagnetic transition field (Hm) in CeRu2Si2. The dHvA frequency branches and the effective masses ranging from 1.5m0 to 120m0 observed below Hm agree with the predictions of the itinerant f electron model, whereas those above Hm can be explained well with the localized f electron model. All the dHvA frequencies change abruptly around Hm. The effective masses decrease considerably around Hm and then continue to decrease with increasing field.

Original languageEnglish
Pages (from-to)2110-2113
Number of pages4
JournalPhysical review letters
Volume71
Issue number13
DOIs
Publication statusPublished - 1993

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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