Photoluminescence and Room Temperature Ferromagnetism Regulation of Cuo:Ho Terrace Structural Dilute Magnetic Semiconductor Materials
SSRN, ISSN: 1556-5068
2024
- 72Usage
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
Gas-liquid phase chemical deposition and a subsequent heat treatment method are developed to synthsis crystal CuO and CuO:Ho terrace structures. CuO terrace structures display weak ferromagnetic behavior owing to its unqiue crystal structure. The ferromagnetism of CuO:Ho terrace structures are significantly enhanced comparing to the crystal CuO and the values of the saturation magnetization presents a parabolic trend with the increase of Ho ions doping concentrations. The magnetism of the crystal CuO:Ho terrace structures is mainly derived from the magnetic moment provided by Ho ions doping. The ferromagnetism as observed from the zero-field-cooling and field-cooling curves of CuO:Ho (x= 0.88%) has been further discussed. The first-principles calculations based on the density functional theory has been used to investigate the origin of ferromagnetism of the CuO:Ho terrace structures. The result of spin polarization density of states (DOS) and spatial distribution of the spin density show that the origin of the ferromagnetism for CuO:Ho crystal is mainly attribute to the exchange interactions among the O 1s, Cu 2p and Ho 4f orbits. This CuO:Ho terrace structures may be a desired material for the use in spintronics due to the strong ferromagnetic coupling between the f-electrons related spin polarized states and the carriers.
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