DHvA effect of R(R = La, Ce)3Pd20Ge6 under uniaxial compression

T. Yamamizu; M. Nakayama; N. Kimura; T. Komatsubara; Hayuyoshi Aoki

doi:10.1016/S0304-8853(00)00775-7

DHvA effect of R(R = La, Ce)₃Pd₂₀Ge₆ under uniaxial compression

T. Yamamizu, M. Nakayama, N. Kimura, T. Komatsubara, Hayuyoshi Aoki

SCI - Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We report the first successful dHvA experiment under uniaxial compression in such compound Ce₃Pd₂₀Ge₆ that exhibits quadrupolar ordering and in its reference compound La₃Pd₂₀Ge₆. The frequency changes with uniaxial pressure are qualitatively similar in the two compounds, but the magnitude of the frequency change in Ce₃Pd₂₀Ge₆ is about twice as much as that in La₃Pd₂₀Ge₆, implying that the degenerate ground state of the localized f electrons is significantly affected by the uniaxial compression.

Original language	English
Pages (from-to)	155-157
Number of pages	3
Journal	Journal of Magnetism and Magnetic Materials
Volume	226-230
Issue number	PART I
DOIs	https://doi.org/10.1016/S0304-8853(00)00775-7
Publication status	Published - 2001 Jan 1

Keywords

Fermi surface
Pressure effect
Quadrupole ordering

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "DHvA effect of R(R = La, Ce)3Pd20Ge6 under uniaxial compression",

abstract = "We report the first successful dHvA experiment under uniaxial compression in such compound Ce3Pd20Ge6 that exhibits quadrupolar ordering and in its reference compound La3Pd20Ge6. The frequency changes with uniaxial pressure are qualitatively similar in the two compounds, but the magnitude of the frequency change in Ce3Pd20Ge6 is about twice as much as that in La3Pd20Ge6, implying that the degenerate ground state of the localized f electrons is significantly affected by the uniaxial compression.",

keywords = "Fermi surface, Pressure effect, Quadrupole ordering",

author = "T. Yamamizu and M. Nakayama and N. Kimura and T. Komatsubara and Hayuyoshi Aoki",

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T1 - DHvA effect of R(R = La, Ce)3Pd20Ge6 under uniaxial compression

AU - Yamamizu, T.

AU - Nakayama, M.

AU - Kimura, N.

AU - Komatsubara, T.

AU - Aoki, Hayuyoshi

PY - 2001/1/1

Y1 - 2001/1/1

N2 - We report the first successful dHvA experiment under uniaxial compression in such compound Ce3Pd20Ge6 that exhibits quadrupolar ordering and in its reference compound La3Pd20Ge6. The frequency changes with uniaxial pressure are qualitatively similar in the two compounds, but the magnitude of the frequency change in Ce3Pd20Ge6 is about twice as much as that in La3Pd20Ge6, implying that the degenerate ground state of the localized f electrons is significantly affected by the uniaxial compression.

AB - We report the first successful dHvA experiment under uniaxial compression in such compound Ce3Pd20Ge6 that exhibits quadrupolar ordering and in its reference compound La3Pd20Ge6. The frequency changes with uniaxial pressure are qualitatively similar in the two compounds, but the magnitude of the frequency change in Ce3Pd20Ge6 is about twice as much as that in La3Pd20Ge6, implying that the degenerate ground state of the localized f electrons is significantly affected by the uniaxial compression.

KW - Fermi surface

KW - Pressure effect

KW - Quadrupole ordering

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SP - 155

EP - 157

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

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