تقرير
Hydrogen induced electronic transition within correlated perovskite nickelates with heavy rare-earth composition
| العنوان: | Hydrogen induced electronic transition within correlated perovskite nickelates with heavy rare-earth composition |
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| المؤلفون: | Bian, Yi, Li, Haiyan, Yan, Fengbo, Li, Haifan, Wang, Jiaou, Zhang, Hao, Jiang, Yong, Chen, Nuofu, Chen, Jikun |
| سنة النشر: | 2021 |
| المجموعة: | Condensed Matter Physics (Other) |
| مصطلحات موضوعية: | Condensed Matter - Materials Science, Physics - Applied Physics |
| الوصف: | Although discovery in hydrogen induced electronic transition within perovskite family of rare-earth nickelate (ReNiO3) opens up a new paradigm in exploring both the new materials functionality and device applications, the existing research stays at ReNiO3 with light rare-earth compositions. To further extend the cognition towards heavier rare-earth, herein we demonstrate the hydrogen induced electronic transitions for quasi-single crystalline ReNiO3/LaAlO3 (001) heterostructures, covering a large variety of the rare-earth composition from Nd to Er. The hydrogen induced elevations in the resistivity of ReNiO3 (RH/R0) show an unexpected non-monotonic tendency with the atomic number of the rare-earth composition, e.g., firstly increase from Nd to Dy and afterwards decreases from Dy to Er. Although ReNiO3 with heavy rare-earth composition (e.g. DyNiO3) exhibits large RH/R0 up to 107, their hydrogen induced electronic transition is not reversible. Further probing the electronic structures via near edge X-ray absorption fine structure analysis clearly demonstrates the respective transition in electronic structures of ReNiO3 from Ni3+ based electron itinerant orbital configurations towards the Ni2+ based electron localized state. Balancing the hydrogen induced transition reversibility with the abruption in the variations of material resistivity, we emphasize that the ReNiO3 with middle rare-earth compositions (e.g. Sm) to be most suitable that caters for the potential applications in correlated electronic devices. |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1063/5.0082917 |
| URL الوصول: | http://arxiv.org/abs/2112.12357 |
| رقم الأكسشن: | edsarx.2112.12357 |
| قاعدة البيانات: | arXiv |
| DOI: | 10.1063/5.0082917 |
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