De Haas-van Alphen effect and fermi surface properties of EuPd3 with the trivalent electronic state

Ai Nakamura, Tetsuya Takeuchi, Hisatomo Harima, Masato Hedo, Takao Nakama, Yoshichika Onuki

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15 Citations (Scopus)

Abstract

EuPd3, which is in the trivalent (Eu3+) electronic state, is a rare compound because most Eu compounds are in the divalent (Eu2+) electronic state and order magnetically. The electronic state of EuPd3 was previously studied by Mössbauer, magnetic susceptibility, and X-ray absorption experiments using polycrystalline samples. We succeeded in growing single crystals of EuPd3 by the Bridgeman method and carried out a de Haas-van Alphen (dHvA) experiment. The dHvA branches detected in EuPd3 are well explained by the results of the full potential linear augmented plane wave (FLAPW) energy band calculation based on a local density approximation (LDA) with additional treatments for EuPd3, revealing the trivalent electronic state. Conduction electrons are mainly Pd-4d electrons. The cyclotron effective masses are determined from the temperature dependence of the dHvA amplitude, ranging from 0.3 to 1.0m0 (m0: rest mass of an electron), which are also consistent with the corresponding band masses.

Original languageEnglish
Article number053708
Journaljournal of the physical society of japan
Volume83
Issue number5
DOIs
Publication statusPublished - 2014 May 15
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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