Angular dependence of the c-axis normal state magnetoresistance in single crystal Tl2Ba2CuO6

N E  Hussey; J R  Cooper; J M  Wheatley; I R  Fisher; A  Carrington; A P  Mackenzie; C T  Lin; O  Milat

doi:10.1103/PhysRevLett.76.122

Angular dependence of the c-axis normal state magnetoresistance in single crystal Tl2Ba2CuO6

N E Hussey, J R Cooper, J M Wheatley, I R Fisher, A Carrington, A P Mackenzie, C T Lin, O Milat

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Abstract

We report measurements of the normal state magnetoresistance (MR) from 30 to 340 K in fields B up to 13 T for single crystals of overdoped Tl2Ba2CuO6 (T-c less than or equal to 25 K). For out-of-plane current flow, the transverse MR Delta rho(c)/rho(c) is large and positive. On rotating B within the a-b plane, Delta rho(c)/rho(c) exhibits a striking anisotropy with fourfold symmetry. The amplitude of this effect increases as B-4 and the maximum MR occurs for B along the [110] crystallographic directions, i.e., at 45 degrees to the Cu-O-Cu bonds. This the first direct evidence for anisotropy of the in-plane mean free path in the cuprates.

Original language	English
Pages (from-to)	122-125
Number of pages	4
Journal	Physical Review Letters
Volume	76
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.76.122
Publication status	Published - 1 Jan 1996

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title = "Angular dependence of the c-axis normal state magnetoresistance in single crystal Tl2Ba2CuO6",

abstract = "We report measurements of the normal state magnetoresistance (MR) from 30 to 340 K in fields B up to 13 T for single crystals of overdoped Tl2Ba2CuO6 (T-c less than or equal to 25 K). For out-of-plane current flow, the transverse MR Delta rho(c)/rho(c) is large and positive. On rotating B within the a-b plane, Delta rho(c)/rho(c) exhibits a striking anisotropy with fourfold symmetry. The amplitude of this effect increases as B-4 and the maximum MR occurs for B along the [110] crystallographic directions, i.e., at 45 degrees to the Cu-O-Cu bonds. This the first direct evidence for anisotropy of the in-plane mean free path in the cuprates.",

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T1 - Angular dependence of the c-axis normal state magnetoresistance in single crystal Tl2Ba2CuO6

AU - Hussey, N E

AU - Cooper, J R

AU - Wheatley, J M

AU - Fisher, I R

AU - Carrington, A

AU - Mackenzie, A P

AU - Lin, C T

AU - Milat, O

PY - 1996/1/1

Y1 - 1996/1/1

N2 - We report measurements of the normal state magnetoresistance (MR) from 30 to 340 K in fields B up to 13 T for single crystals of overdoped Tl2Ba2CuO6 (T-c less than or equal to 25 K). For out-of-plane current flow, the transverse MR Delta rho(c)/rho(c) is large and positive. On rotating B within the a-b plane, Delta rho(c)/rho(c) exhibits a striking anisotropy with fourfold symmetry. The amplitude of this effect increases as B-4 and the maximum MR occurs for B along the [110] crystallographic directions, i.e., at 45 degrees to the Cu-O-Cu bonds. This the first direct evidence for anisotropy of the in-plane mean free path in the cuprates.

AB - We report measurements of the normal state magnetoresistance (MR) from 30 to 340 K in fields B up to 13 T for single crystals of overdoped Tl2Ba2CuO6 (T-c less than or equal to 25 K). For out-of-plane current flow, the transverse MR Delta rho(c)/rho(c) is large and positive. On rotating B within the a-b plane, Delta rho(c)/rho(c) exhibits a striking anisotropy with fourfold symmetry. The amplitude of this effect increases as B-4 and the maximum MR occurs for B along the [110] crystallographic directions, i.e., at 45 degrees to the Cu-O-Cu bonds. This the first direct evidence for anisotropy of the in-plane mean free path in the cuprates.

U2 - 10.1103/PhysRevLett.76.122

DO - 10.1103/PhysRevLett.76.122

M3 - Article

SN - 0031-9007

VL - 76

SP - 122

EP - 125

JO - Physical Review Letters

JF - Physical Review Letters

IS - 1

ER -

Angular dependence of the c-axis normal state magnetoresistance in single crystal Tl2Ba2CuO6

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