Shockwave-Loading-Induced Enhancement of T c in Superconducting Bi2Sr2CaCu2O8+δ
Abstract We report a shockwave method for altering the properties of the superconductor material Bi2Sr2CaCu2O8+δ (Bi2212). We find that the superconducting transition temperature (T c) increases from 84 K for the pristine sample to 94 K for the sample treated at a temperature and pressure of ~1200 K...
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2017-07-01
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doaj-5036c282e1f14ebe9f47c8b7395a8dff2020-12-08T01:29:19ZengNature Publishing GroupScientific Reports2045-23222017-07-01711610.1038/s41598-017-06887-5Shockwave-Loading-Induced Enhancement of T c in Superconducting Bi2Sr2CaCu2O8+δTiansheng Liu0Chao He1Fengying Wang2Yingbin Liu3Xiaoxiang Xi4Ruidan Zhong5Genda Gu6School of Chemical Engineering and Environment, North University of ChinaSchool of Chemical Engineering and Environment, North University of ChinaSchool of Chemical Engineering and Environment, North University of ChinaSchool of Chemical Engineering and Environment, North University of ChinaPhoton Sciences, Brookhaven National LaboratoryCondensed Matter Physics and Materials Science Department, Brookhaven National LaboratoryCondensed Matter Physics and Materials Science Department, Brookhaven National LaboratoryAbstract We report a shockwave method for altering the properties of the superconductor material Bi2Sr2CaCu2O8+δ (Bi2212). We find that the superconducting transition temperature (T c) increases from 84 K for the pristine sample to 94 K for the sample treated at a temperature and pressure of ~1200 K and ~31 GPa, respectively. X-ray diffraction and transmission electron microscopy characterizations indicate that this T c enhancement arises from a phase transition from pristine Bi2212 to a mixture of superconducting Bi2212 and semiconducting Bi2Sr2CuO6+δ (Bi2201) during the shockwave treatment. The shockwave-treated sample exhibits n-type semiconductor properties (with an on-off ratio ~5), in contrast to the pure metallic pristine sample. Our study offers an alternative route for modifying the superconducting properties via a shockwave treatment. Furthermore, this method may provide a new approach for studying other temperature- and pressure-sensitive materials.https://doi.org/10.1038/s41598-017-06887-5 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Tiansheng Liu Chao He Fengying Wang Yingbin Liu Xiaoxiang Xi Ruidan Zhong Genda Gu |
spellingShingle |
Tiansheng Liu Chao He Fengying Wang Yingbin Liu Xiaoxiang Xi Ruidan Zhong Genda Gu Shockwave-Loading-Induced Enhancement of T c in Superconducting Bi2Sr2CaCu2O8+δ Scientific Reports |
author_facet |
Tiansheng Liu Chao He Fengying Wang Yingbin Liu Xiaoxiang Xi Ruidan Zhong Genda Gu |
author_sort |
Tiansheng Liu |
title |
Shockwave-Loading-Induced Enhancement of T c in Superconducting Bi2Sr2CaCu2O8+δ |
title_short |
Shockwave-Loading-Induced Enhancement of T c in Superconducting Bi2Sr2CaCu2O8+δ |
title_full |
Shockwave-Loading-Induced Enhancement of T c in Superconducting Bi2Sr2CaCu2O8+δ |
title_fullStr |
Shockwave-Loading-Induced Enhancement of T c in Superconducting Bi2Sr2CaCu2O8+δ |
title_full_unstemmed |
Shockwave-Loading-Induced Enhancement of T c in Superconducting Bi2Sr2CaCu2O8+δ |
title_sort |
shockwave-loading-induced enhancement of t c in superconducting bi2sr2cacu2o8+δ |
publisher |
Nature Publishing Group |
series |
Scientific Reports |
issn |
2045-2322 |
publishDate |
2017-07-01 |
description |
Abstract We report a shockwave method for altering the properties of the superconductor material Bi2Sr2CaCu2O8+δ (Bi2212). We find that the superconducting transition temperature (T c) increases from 84 K for the pristine sample to 94 K for the sample treated at a temperature and pressure of ~1200 K and ~31 GPa, respectively. X-ray diffraction and transmission electron microscopy characterizations indicate that this T c enhancement arises from a phase transition from pristine Bi2212 to a mixture of superconducting Bi2212 and semiconducting Bi2Sr2CuO6+δ (Bi2201) during the shockwave treatment. The shockwave-treated sample exhibits n-type semiconductor properties (with an on-off ratio ~5), in contrast to the pure metallic pristine sample. Our study offers an alternative route for modifying the superconducting properties via a shockwave treatment. Furthermore, this method may provide a new approach for studying other temperature- and pressure-sensitive materials. |
url |
https://doi.org/10.1038/s41598-017-06887-5 |
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