Competition between antiferromagnetism and superconductivity in the electron-doped cuprates triggered by oxygen reduction.

Competition between antiferromagnetism and superconductivity in the electron-doped cuprates triggered by oxygen reduction. Research Abstract Details 

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Competition between antiferromagnetism and superconductivity in the electron-doped cuprates triggered by oxygen reduction. Abstract Text:

P Richard,M Neupane,Y-M Xu,P Fournier,S Li,Pengcheng Dai,Z Wang,H Ding,P Richard,M Neupane,Y-M Xu,P Fournier,S Li,Pengcheng Dai,Z Wang,H Ding,

We have performed a systematic angle-resolved photoemission study of as-grown and oxygen-reduced Pr(2-x)CexCuO4 and Pr(1-x)LaCexCuO4 electron-doped cuprates. In contrast with the common belief, neither the band filling nor the band parameters are significantly affected by the oxygen reduction process. Instead, we show that the main electronic role of the reduction process is to remove an anisotropic leading edge gap around the Fermi surface. While the nodal leading edge gap is induced by long-range antiferomagnetic order, the origin of the antinodal one remains unclear.

Competition between antiferromagnetism and superconductivity in the electron-doped cuprates triggered by oxygen reduction. Publishing Authors By Initials

P Richard,M Neupane,YM Xu,P Fournier,S Li,P Dai,Z Wang,H Ding,P Richard,M Neupane,YM Xu,P Fournier,S Li,P Dai,Z Wang,H Ding,

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Competition between antiferromagnetism and superconductivity in the electron-doped cuprates triggered by oxygen reduction. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Physical review letters

VOLUME: 99

Page Numbers: 157002

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ISSN: 0031-9007

DAY: 11

MONTH: 10

YEAR: 2007

Competition between antiferromagnetism and superconductivity in the electron-doped cuprates triggered by oxygen reduction. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Competition between antiferromagnetism and superconductivity in the electron-doped cuprates triggered by oxygen reduction.

AFFILIATION: Department of Physics, Boston College, Chestnut Hill, Massachusetts 02467, USA. richarpi@bc.edu

Country: United States

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MEDLINETA: Phys Rev Lett

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