Evolution of the intrinsic electronic phase separation in La0.6Er0.1Sr0.3MnO3 perovskite

Abstract Magnetic and electronic transport properties of perovskite manganite La0.6Er0.1Sr0.3MnO3 have been thoroughly examined through the measurements of magnetization, electron paramagnetic resonance(EPR), and resistivity. It was found that the substitution of Er3+ for La3+ ions introduced the ch...

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Autores principales:	Lili Chen, Jiyu Fan, Wei Tong, Dazhi Hu, Yanda Ji, Jindong Liu, Lei Zhang, Li Pi, Yuheng Zhang, Hao Yang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2016
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/61c21ba515d84789a8451513408b8704
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spelling	oai:doaj.org-article:61c21ba515d84789a8451513408b87042021-12-02T12:32:09ZEvolution of the intrinsic electronic phase separation in La0.6Er0.1Sr0.3MnO3 perovskite10.1038/s41598-016-0009-02045-2322https://doaj.org/article/61c21ba515d84789a8451513408b87042016-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-016-0009-0https://doaj.org/toc/2045-2322Abstract Magnetic and electronic transport properties of perovskite manganite La0.6Er0.1Sr0.3MnO3 have been thoroughly examined through the measurements of magnetization, electron paramagnetic resonance(EPR), and resistivity. It was found that the substitution of Er3+ for La3+ ions introduced the chemical disorder and additional strain in this sample. An extra resonance signal occurred in EPR spectra at high temperatures well above T C gives a strong evidence of electronic phase separation(EPS). The analysis of resistivity enable us to identify the polaronic transport mechanism in the paramagnetic region. At low temperature, a new ferromagnetic interaction generates in the microdomains of Er3+-disorder causing the second increase of magnetization. However, the new ferromagnetic interaction does not improve but decreases electronic transport due to the enhancement of interface resistance among neighboring domains. In view of a really wide temperature region for the EPS existence, this sample provides an ideal platform to uncover the evolution law of different magnetic structures in perovskite manganites.Lili ChenJiyu FanWei TongDazhi HuYanda JiJindong LiuLei ZhangLi PiYuheng ZhangHao YangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 6, Iss 1, Pp 1-9 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Lili Chen Jiyu Fan Wei Tong Dazhi Hu Yanda Ji Jindong Liu Lei Zhang Li Pi Yuheng Zhang Hao Yang Evolution of the intrinsic electronic phase separation in La0.6Er0.1Sr0.3MnO3 perovskite
description	Abstract Magnetic and electronic transport properties of perovskite manganite La0.6Er0.1Sr0.3MnO3 have been thoroughly examined through the measurements of magnetization, electron paramagnetic resonance(EPR), and resistivity. It was found that the substitution of Er3+ for La3+ ions introduced the chemical disorder and additional strain in this sample. An extra resonance signal occurred in EPR spectra at high temperatures well above T C gives a strong evidence of electronic phase separation(EPS). The analysis of resistivity enable us to identify the polaronic transport mechanism in the paramagnetic region. At low temperature, a new ferromagnetic interaction generates in the microdomains of Er3+-disorder causing the second increase of magnetization. However, the new ferromagnetic interaction does not improve but decreases electronic transport due to the enhancement of interface resistance among neighboring domains. In view of a really wide temperature region for the EPS existence, this sample provides an ideal platform to uncover the evolution law of different magnetic structures in perovskite manganites.
format	article
author	Lili Chen Jiyu Fan Wei Tong Dazhi Hu Yanda Ji Jindong Liu Lei Zhang Li Pi Yuheng Zhang Hao Yang
author_facet	Lili Chen Jiyu Fan Wei Tong Dazhi Hu Yanda Ji Jindong Liu Lei Zhang Li Pi Yuheng Zhang Hao Yang
author_sort	Lili Chen
title	Evolution of the intrinsic electronic phase separation in La0.6Er0.1Sr0.3MnO3 perovskite
title_short	Evolution of the intrinsic electronic phase separation in La0.6Er0.1Sr0.3MnO3 perovskite
title_full	Evolution of the intrinsic electronic phase separation in La0.6Er0.1Sr0.3MnO3 perovskite
title_fullStr	Evolution of the intrinsic electronic phase separation in La0.6Er0.1Sr0.3MnO3 perovskite
title_full_unstemmed	Evolution of the intrinsic electronic phase separation in La0.6Er0.1Sr0.3MnO3 perovskite
title_sort	evolution of the intrinsic electronic phase separation in la0.6er0.1sr0.3mno3 perovskite
publisher	Nature Portfolio
publishDate	2016
url	https://doaj.org/article/61c21ba515d84789a8451513408b8704
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Evolution of the intrinsic electronic phase separation in La0.6Er0.1Sr0.3MnO3 perovskite

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