Tunneling into the normal state of Pr2-xCexCuO4

Y. Dagan; M. M. Qazilbash; R. L. Greene

doi:10.1103/PhysRevLett.94.187003

Tunneling into the normal state of Pr2-xCexCuO4

Y. Dagan^*, M. M. Qazilbash, R. L. Greene

^*Corresponding author for this work

University of Maryland

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

The temperature dependence of the tunneling conductance was measured for various doping levels of Pr2-xCexCuO4 using planar junctions. A normal state gap is seen at all doping levels studied, x=0.11 to x=0.19. We find it to vanish above a certain temperature T*. T* is greater than Tc for the underdoped region and it follows Tc on the overdoped side. This behavior suggests finite pairing amplitude above Tc on the underdoped side.

Original language	English
Article number	187003
Journal	Physical Review Letters
Volume	94
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.94.187003
State	Published - 13 May 2005
Externally published	Yes

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10.1103/PhysRevLett.94.187003

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abstract = "The temperature dependence of the tunneling conductance was measured for various doping levels of Pr2-xCexCuO4 using planar junctions. A normal state gap is seen at all doping levels studied, x=0.11 to x=0.19. We find it to vanish above a certain temperature T*. T* is greater than Tc for the underdoped region and it follows Tc on the overdoped side. This behavior suggests finite pairing amplitude above Tc on the underdoped side.",

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N2 - The temperature dependence of the tunneling conductance was measured for various doping levels of Pr2-xCexCuO4 using planar junctions. A normal state gap is seen at all doping levels studied, x=0.11 to x=0.19. We find it to vanish above a certain temperature T*. T* is greater than Tc for the underdoped region and it follows Tc on the overdoped side. This behavior suggests finite pairing amplitude above Tc on the underdoped side.

AB - The temperature dependence of the tunneling conductance was measured for various doping levels of Pr2-xCexCuO4 using planar junctions. A normal state gap is seen at all doping levels studied, x=0.11 to x=0.19. We find it to vanish above a certain temperature T*. T* is greater than Tc for the underdoped region and it follows Tc on the overdoped side. This behavior suggests finite pairing amplitude above Tc on the underdoped side.

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Tunneling into the normal state of Pr2-xCexCuO4

Abstract

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