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Second-order Jahn–Teller effect induced high-temperature ferroelectricity in two-dimensional NbO(2)X (X = I, Br)
Based on the first-principles calculations, we investigated the ferroelectric properties of two-dimensional (2D) materials NbO(2)X (X = I, Br). Our cleavage energy analysis shows that exfoliating one NbO(2)I monolayer from its existing bulk counterpart is feasible. The phonon spectrum and molecular...
Autores principales: | Sun, Huasheng, Deng, Kaiming, Kan, Erjun, Du, Yongping |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
RSC
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10228335/ https://www.ncbi.nlm.nih.gov/pubmed/37260497 http://dx.doi.org/10.1039/d3na00245d |
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