Normal state phase diagram of (La,Sr)2 CuO4 from charge and spin dynamics

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

doi:10.1016/0921-4534(94)91330-7

Normal state phase diagram of (La,Sr)₂ CuO₄ from charge and spin dynamics

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

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235 Scopus citations

Abstract

The significant progress in elucidating the normal state of the prototypical cuprate La_2-xSr_xCuO₄ is described. New insight is gained from quantitative charge dynamics studies (resistivity, Hall effect) over wide temperature and hole concentration ranges. Characteristic temperatures T^* have been discovered and corresponding T^*'s can also be identified in the magnetic response. At lowest carrier concentrations, T^*'s start out high (700K-800K) and drop rapidly to ∼ 100K when superconductivity disappears at high doping levels. From comparisons with other compounds, we suggest that the T^* marks the development of a pseudogap in the excitation spectrum and we present a T^*-x diagram for LSCO, which we suggest is generic to all hole doped layered cuprates.

Original language	English (US)
Pages (from-to)	130-133
Number of pages	4
Journal	Physica C: Superconductivity and its Applications
Volume	235-240
Issue number	PART 1
DOIs	https://doi.org/10.1016/0921-4534(94)91330-7
State	Published - Dec 1994
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/0921-4534(94)91330-7

Cite this

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title = "Normal state phase diagram of (La,Sr)2 CuO4 from charge and spin dynamics",

abstract = "The significant progress in elucidating the normal state of the prototypical cuprate La2-xSrxCuO4 is described. New insight is gained from quantitative charge dynamics studies (resistivity, Hall effect) over wide temperature and hole concentration ranges. Characteristic temperatures T* have been discovered and corresponding T*'s can also be identified in the magnetic response. At lowest carrier concentrations, T*'s start out high (700K-800K) and drop rapidly to ∼ 100K when superconductivity disappears at high doping levels. From comparisons with other compounds, we suggest that the T* marks the development of a pseudogap in the excitation spectrum and we present a T*-x diagram for LSCO, which we suggest is generic to all hole doped layered cuprates.",

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T1 - Normal state phase diagram of (La,Sr)2 CuO4 from charge and spin dynamics

AU - Batlogg, B.

AU - Hwang, H. Y.

AU - Takagi, H.

AU - Cava, R. J.

AU - Kao, H. L.

AU - Kwo, J.

PY - 1994/12

Y1 - 1994/12

N2 - The significant progress in elucidating the normal state of the prototypical cuprate La2-xSrxCuO4 is described. New insight is gained from quantitative charge dynamics studies (resistivity, Hall effect) over wide temperature and hole concentration ranges. Characteristic temperatures T* have been discovered and corresponding T*'s can also be identified in the magnetic response. At lowest carrier concentrations, T*'s start out high (700K-800K) and drop rapidly to ∼ 100K when superconductivity disappears at high doping levels. From comparisons with other compounds, we suggest that the T* marks the development of a pseudogap in the excitation spectrum and we present a T*-x diagram for LSCO, which we suggest is generic to all hole doped layered cuprates.

AB - The significant progress in elucidating the normal state of the prototypical cuprate La2-xSrxCuO4 is described. New insight is gained from quantitative charge dynamics studies (resistivity, Hall effect) over wide temperature and hole concentration ranges. Characteristic temperatures T* have been discovered and corresponding T*'s can also be identified in the magnetic response. At lowest carrier concentrations, T*'s start out high (700K-800K) and drop rapidly to ∼ 100K when superconductivity disappears at high doping levels. From comparisons with other compounds, we suggest that the T* marks the development of a pseudogap in the excitation spectrum and we present a T*-x diagram for LSCO, which we suggest is generic to all hole doped layered cuprates.

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Normal state phase diagram of (La,Sr)₂ CuO₄ from charge and spin dynamics

Abstract

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