Electronic and magnetic stability in correlated transportations of rare-earth nickelate perovskites
来源期刊：JOURNAL OF RARE EARTHS2021年第2期
论文作者：Jinhao Chen Jikun Chen Zengyao Ren Dandan Zhao Mengxi Wang Jun Miao Xiaoguang Xu Yong Jiang Nuofu Chen
摘 要：Although the thermistor and metal to insulator transition bi-functionalities were discovered for rareearth nickelates（RENiO3）,the electronic stability in their correlated transports under impulse voltage or magnetic field remain as open questions.Herein,we demonstrate the thermistor transportations of the electron correlated rare-earth nickelates under impulse direct current voltage and in magnetic environment.The insulating phase of RENiO3 shows zero crossing linear I-V characters,indicating their stable electronic resistance is independent of the imparted voltage up to 10 V and pulse width down to1 us,in spite of their sensitive electronic structures to polarizations.In addition,the high electronic stability associated with the thermistor transportation of RENiO3 is also demonstrated in magnetic fields up to 9 T（i.e.,MR<0.2%）.The high electronic stability further paves the way to applying RENiO3 as a broad temperature range thermistor in temperature sensing or circuit protections for correlated electronics.
Jinhao Chen1，Jikun Chen1，Zengyao Ren1，Dandan Zhao1，Mengxi Wang1，Jun Miao1，Xiaoguang Xu1，Yong Jiang1，Nuofu Chen2
1. School of Materials Science and Engineering,University of Science and Technology Beijing2. School of Renewable Energy,North China Electric Power University
摘 要：Although the thermistor and metal to insulator transition bi-functionalities were discovered for rareearth nickelates（RENiO3）,the electronic stability in their correlated transports under impulse voltage or magnetic field remain as open questions.Herein,we demonstrate the thermistor transportations of the electron correlated rare-earth nickelates under impulse direct current voltage and in magnetic environment.The insulating phase of RENiO3 shows zero crossing linear I-V characters,indicating their stable electronic resistance is independent of the imparted voltage up to 10 V and pulse width down to1 us,in spite of their sensitive electronic structures to polarizations.In addition,the high electronic stability associated with the thermistor transportation of RENiO3 is also demonstrated in magnetic fields up to 9 T（i.e.,MR<0.2%）.The high electronic stability further paves the way to applying RENiO3 as a broad temperature range thermistor in temperature sensing or circuit protections for correlated electronics.
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