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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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We have performed the magnetic susceptibility χ, specific heat C<SUB>p</SUB>, and photoelectron spec-troscopy (XPS) measurements on the dense Kondo amorphous alloys Ce<SUB>50-x</SUB>La<SUB>x</SUB>Al<SUB>50</SUB> and discussed its electronic structure. The χ follows a Curie-Weiss law with the paramagnetic e_ective magnetic 2.1{2.3 _B/Ce-atom above 70 K. The electronic specific heat coe_cient per Ce-atom Ce is almost constant in each La concentration (<SUB>rCe</SUB> ＝ 200 mJ mol<SUP>-1</SUP> K<SUP>-2</SUP>). From XPS measurements, the Ce-contained sample (x ≤ 25) is in a hybridization state with conduction electrons (Kondo effect) at room temperature, although the Ce is trivalent, and the Kondo temperature is distributed over a wide temperature range.
목차
I. INTRODUCTION
II. EXPERIMENTAL METHODS
III. RESULTS AND DISCUSSION
IV. CONCLUSION
REFERENCES
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