Charge dynamics in (La, Sr)2CuO4: from underdoping to overdoping

B. Batlogg; H. Y. Hwang; H. Takagi; H. L. Kao; J. Kwo; R. J. Cava

doi:10.1007/BF00754919

Charge dynamics in (La, Sr)₂CuO₄: from underdoping to overdoping

B. Batlogg, H. Y. Hwang, H. Takagi, H. L. Kao, J. Kwo, R. J. Cava

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Abstract

The normal state transport properties (resistivity, Hall effect) of La_2-xSr_xCuO⁴ have been studied over wide ranges of Sr doping and temperature. The familiar T-linear resistivity and the strongly T dependent Hall effect R_H(T) are found only near the optimal hole concentration (x ≈ 0.15-0.18). The charge dynamics changes significantly in the non-superconducting overdoped range with R_H(T) becoming constant above a characteristic temperature T*, and p(T) ∝ Tⁿ (n > 1; n ≈ 1.5±0.1). The temperature scale T*, decreasing with increasing hole concentration, provides a link between transport and magnetic properties.

Original language	English (US)
Pages (from-to)	23-31
Number of pages	9
Journal	Journal of Low Temperature Physics
Volume	95
Issue number	1-2
DOIs	https://doi.org/10.1007/BF00754919
State	Published - Apr 1994
Externally published	Yes

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
General Materials Science
Condensed Matter Physics

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title = "Charge dynamics in (La, Sr)2CuO4: from underdoping to overdoping",

abstract = "The normal state transport properties (resistivity, Hall effect) of La2-xSrxCuO4 have been studied over wide ranges of Sr doping and temperature. The familiar T-linear resistivity and the strongly T dependent Hall effect RH(T) are found only near the optimal hole concentration (x ≈ 0.15-0.18). The charge dynamics changes significantly in the non-superconducting overdoped range with RH(T) becoming constant above a characteristic temperature T*, and p(T) ∝ Tn (n > 1; n ≈ 1.5±0.1). The temperature scale T*, decreasing with increasing hole concentration, provides a link between transport and magnetic properties.",

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TY - JOUR

T1 - Charge dynamics in (La, Sr)2CuO4

T2 - from underdoping to overdoping

AU - Batlogg, B.

AU - Hwang, H. Y.

AU - Takagi, H.

AU - Kao, H. L.

AU - Kwo, J.

AU - Cava, R. J.

PY - 1994/4

Y1 - 1994/4

N2 - The normal state transport properties (resistivity, Hall effect) of La2-xSrxCuO4 have been studied over wide ranges of Sr doping and temperature. The familiar T-linear resistivity and the strongly T dependent Hall effect RH(T) are found only near the optimal hole concentration (x ≈ 0.15-0.18). The charge dynamics changes significantly in the non-superconducting overdoped range with RH(T) becoming constant above a characteristic temperature T*, and p(T) ∝ Tn (n > 1; n ≈ 1.5±0.1). The temperature scale T*, decreasing with increasing hole concentration, provides a link between transport and magnetic properties.

AB - The normal state transport properties (resistivity, Hall effect) of La2-xSrxCuO4 have been studied over wide ranges of Sr doping and temperature. The familiar T-linear resistivity and the strongly T dependent Hall effect RH(T) are found only near the optimal hole concentration (x ≈ 0.15-0.18). The charge dynamics changes significantly in the non-superconducting overdoped range with RH(T) becoming constant above a characteristic temperature T*, and p(T) ∝ Tn (n > 1; n ≈ 1.5±0.1). The temperature scale T*, decreasing with increasing hole concentration, provides a link between transport and magnetic properties.

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Charge dynamics in (La, Sr)₂CuO₄: from underdoping to overdoping

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