Electronic Specific Heat of La_<2-x-z>Nd_zSr_xCu_<1-y>Zn_yO_4 up to Room Temperature : Condensed Matter: Structure, etc.
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概要
- 論文の詳細を見る
Behavior of the electronic specific heat C_<el> of La_<2-x-z> Nd_zSr_xCu_<1-y>Zn_yO_4 has been investigated over the wide temperature (T) range between 2 K and 300 K. For samples with z= 0.4 and 0.0 <_= x <_= 0.25, by carefully subtracting the phonon contribution from the total specific heat, the electronic specific heat coefficient γ≡ C_<el≫/T has been extracted, where anomalous x- and T-dependence related to the so-called 1/8 problem or the "stripe" order is observed. Zn-doping effects on the behavior of γ(T) of La_<2-x>Sr_xCu_<1-y>Zn_yO_4 (x = 0.10 and 0.08) and La_<l.88-z>Nd_zSr_<0.12> Cu_<l-y>Zn_yO_4 (z = 0.2 and 0.4) suggest that not only the long range "stripe" order but also the fluctuating "stripe" suppress both the pseudo gap and the singlet pair formation.
- 社団法人日本物理学会の論文
- 2000-09-15
著者
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Takeda Jun
Department Of Diabetes And Endocrinology Division Of Molecule And Structure Gifu University School O
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Sato Masatoshi
Department Of Electrical And Electronics Engineering Sophia University
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Sato Masatoshi
Department Of Physics Division Of Material Science Nagoya University:crest Japan Science And Technol
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INUKAI Toshiyuki
Department of Physics, Division of Material Science, Nagoya University
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Inukai Toshiyuki
Department Of Physics Division Of Material Science Nagoya University
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Takeda Jun
Department Of Physics Division Of Material Science Nagoya University
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Takeda Jun
Department Of Biological Sciences Graduate School Of Science Tokyo Metropolitan University
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Sato Masatoshi
Department Of Agro-environmental Science Obihiro University Of Agriculture And Veterinary Medicine
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