$Emergent Ferromagnetism with Fermi-Liquid Behavior in Proton Intercalated CaRuO_{3}$
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Emergent Ferromagnetism with Fermi-Liquid Behavior in Proton Intercalated CaRuO_{3}

The evolution between Fermi-liquid and non-Fermi-liquid states in correlated electron systems has been a central subject in condensed matter physics because of the coupled intriguing magnetic and electronic states. An effective pathway to explore the nature of non-Fermi-liquid behavior is to approac...

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Autores principales:	Shengchun Shen, Zhuolu Li, Zijun Tian, Weidong Luo, Satoshi Okamoto, Pu Yu
Formato:	article
Lenguaje:	EN
Publicado:	American Physical Society 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/6511986db9444751bfcdffcb6c6b7af9
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id	oai:doaj.org-article:6511986db9444751bfcdffcb6c6b7af9
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spelling	oai:doaj.org-article:6511986db9444751bfcdffcb6c6b7af92021-12-02T14:29:47ZEmergent Ferromagnetism with Fermi-Liquid Behavior in Proton Intercalated CaRuO_{3}10.1103/PhysRevX.11.0210182160-3308https://doaj.org/article/6511986db9444751bfcdffcb6c6b7af92021-04-01T00:00:00Zhttp://doi.org/10.1103/PhysRevX.11.021018http://doi.org/10.1103/PhysRevX.11.021018https://doaj.org/toc/2160-3308The evolution between Fermi-liquid and non-Fermi-liquid states in correlated electron systems has been a central subject in condensed matter physics because of the coupled intriguing magnetic and electronic states. An effective pathway to explore the nature of non-Fermi-liquid behavior is to approach its phase boundary. Here we report a crossover from non-Fermi-liquid to Fermi-liquid state in metallic CaRuO_{3} through ionic liquid gating induced protonation with electric field. This electronic transition subsequently triggers a reversible magnetic transition with the emergence of an exotic ferromagnetic state from this paramagnetic compound. Our theoretical analysis reveals that hydrogen incorporation plays a critical role in both the electronic and magnetic phase transitions via structural distortion and electron doping. These observations not only help understand the correlated magnetic and electronic transitions in perovskite ruthenate systems, but also provide novel pathways to design electronic phases in correlated materials.Shengchun ShenZhuolu LiZijun TianWeidong LuoSatoshi OkamotoPu YuAmerican Physical SocietyarticlePhysicsQC1-999ENPhysical Review X, Vol 11, Iss 2, p 021018 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Shengchun Shen Zhuolu Li Zijun Tian Weidong Luo Satoshi Okamoto Pu Yu Emergent Ferromagnetism with Fermi-Liquid Behavior in Proton Intercalated CaRuO_{3}
description	The evolution between Fermi-liquid and non-Fermi-liquid states in correlated electron systems has been a central subject in condensed matter physics because of the coupled intriguing magnetic and electronic states. An effective pathway to explore the nature of non-Fermi-liquid behavior is to approach its phase boundary. Here we report a crossover from non-Fermi-liquid to Fermi-liquid state in metallic CaRuO_{3} through ionic liquid gating induced protonation with electric field. This electronic transition subsequently triggers a reversible magnetic transition with the emergence of an exotic ferromagnetic state from this paramagnetic compound. Our theoretical analysis reveals that hydrogen incorporation plays a critical role in both the electronic and magnetic phase transitions via structural distortion and electron doping. These observations not only help understand the correlated magnetic and electronic transitions in perovskite ruthenate systems, but also provide novel pathways to design electronic phases in correlated materials.
format	article
author	Shengchun Shen Zhuolu Li Zijun Tian Weidong Luo Satoshi Okamoto Pu Yu
author_facet	Shengchun Shen Zhuolu Li Zijun Tian Weidong Luo Satoshi Okamoto Pu Yu
author_sort	Shengchun Shen
title	Emergent Ferromagnetism with Fermi-Liquid Behavior in Proton Intercalated CaRuO_{3}
title_short	Emergent Ferromagnetism with Fermi-Liquid Behavior in Proton Intercalated CaRuO_{3}
title_full	Emergent Ferromagnetism with Fermi-Liquid Behavior in Proton Intercalated CaRuO_{3}
title_fullStr	Emergent Ferromagnetism with Fermi-Liquid Behavior in Proton Intercalated CaRuO_{3}
title_full_unstemmed	Emergent Ferromagnetism with Fermi-Liquid Behavior in Proton Intercalated CaRuO_{3}
title_sort	emergent ferromagnetism with fermi-liquid behavior in proton intercalated caruo_{3}
publisher	American Physical Society
publishDate	2021
url	https://doaj.org/article/6511986db9444751bfcdffcb6c6b7af9
work_keys_str_mv	AT shengchunshen emergentferromagnetismwithfermiliquidbehaviorinprotonintercalatedcaruo3 AT zhuoluli emergentferromagnetismwithfermiliquidbehaviorinprotonintercalatedcaruo3 AT zijuntian emergentferromagnetismwithfermiliquidbehaviorinprotonintercalatedcaruo3 AT weidongluo emergentferromagnetismwithfermiliquidbehaviorinprotonintercalatedcaruo3 AT satoshiokamoto emergentferromagnetismwithfermiliquidbehaviorinprotonintercalatedcaruo3 AT puyu emergentferromagnetismwithfermiliquidbehaviorinprotonintercalatedcaruo3
_version_	1718391194092830720

Emergent Ferromagnetism with Fermi-Liquid Behavior in Proton Intercalated CaRuO_{3}

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