[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.9714/psac.2016.18.2.014

Annealing condition dependence of the superconducting property and the pseudo-gap in the protect-annealed electron-doped cuprates

Jung, Woobeen (Center for Correlated Electron Systems, Institute for Basic Science)
Song, Dongjoon (National Institute of Advanced Industrial Science and Technology)
Cho, Su Hyun (Institute of Physics and Applied Physics, Yonsei University)
Kim, Changyoung (Center for Correlated Electron Systems, Institute for Basic Science)
Park, Seung Ryong (Department of Physics, Research Institute of Basic Sciences, Incheon National University)

Publication Information

Progress in Superconductivity and Cryogenics / v.18, no.2, 2016 , pp. 14-17 More about this Journal

Abstract

Annealing as-grown electron-doped cuprates under a low oxygen-partial-pressure condition is a necessary step to achieve superconductivity. It has been recently found that the so-called protect annealing results in much better superconducting properties in terms of the superconducting transition temperature and volume fraction. In this article, we report on angle-resolved photoemission spectroscopy studies of a protect-annealed electron-doped cuprate $Pr_{0.9}La_{1.0}Ce_{0.1}CuO_4$ on annealing condition dependent superconducting and pseudo-gap properties. Remarkably, we found that the one showing a better superconducting property possesses almost no pseudo-gap while others have strong pseudo-gap feature due to an anti-ferromagnetic order.

Keywords

protect-annealed electron-doped cuprate; angle-resolved photoemission spectroscopy; pseudo-gap;

Citations & Related Records

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