Change of Fermi surface properties in dilute Ce concentration of CeLa $_{1-x}$ RuSi system, 3

Matsumoto, Yuji; Kimura, Noriaki*; Komatsubara, Takemi*; Aoki, Haruyoshi*; Kurita, Nubuyuki*; Terashima, Taichi*; Uji, Shinya*

We have performed the de Haas - van Alphen (dHvA) effect measurements in CeLa $_{1-x}$ RuSi with magnetic fields in the (001) plane. All the oscillations corresponding to those in LaRuSi can be observed in low Ce concentration samples and the evolution of the Fermi surface properties with x is found to depend strongly on the Fermi surface sheet. We will argue that the evolution can be attributed to anisotropic hybridization of the f electron with conduction electrons and resultant delocalization of the f electron.

Language	:	Japanese
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Meeting title	:	日本物理学会2011年秋季大会(物性)
Held date	:	2011/09
Location (city)	:	富山
Location (country)	:	日本
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Keywords	:	no keyword
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Registration No. : BB20111581
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Change of Fermi surface properties in dilute Ce concentration of CeLaRuSi system, 3

Change of Fermi surface properties in dilute Ce concentration of CeLa $_{1-x}$ RuSi system, 3