2019年4月29日 · X-ray diffraction (XRD) and Raman spectroscopy confirmed the tetragonal phase of NbO2 and orthorhombic phase of Nb2O5 for similar deposition temperatures. …

2022年1月1日 · XRR and HR-TEM studies confirm formation of a thin SiO 2 layer on Si substrate. The XPS analysis ensures the formation of NbO 2 -Nb 2 O 5 composition. Change in leakage …

2022年8月1日 · Here, we demonstrate a synthesis route for polycrystalline films of cubic NbO, tetragonal NbO 2 and monoclinic Nb2 O 5, based on reactive dc magnetron sputtering at …

2013年2月28日 · In this paper, the electronic structures of NbO2 and Nb2O5 are theoretically and experimentally analyzed. The oxides in the samples are mainly consisted of NbO2 and NbO, …

2016年2月16日 · We construct a series of nanoarchitectured intercalation materials including orthorhombic (o-) Nb2O5 hollow microspheres, o-Nb2O5@carbon core-shell microspheres …

2013年2月28日 · 本文从理论上和实验上分析了 NbO2 和 Nb2O5 的电子结构。 样品中的氧化物主要由 NbO2 和 NbO 组成，而样品的最外层是 NbO2。 暴露在空气中后，所有铌样品的最外层 …

2022年1月1日 · As proven by Islam et al. [63], NbO2 exhibits semiconducting properties whereas Nb2O5 shows insulating properties. The reduction of Nb2O5 to NbO2 in this study facilitated …

Scanning electron microscopy (SEM) observations indicate that NbO 2 has a unique nanoslice structure while Nb 2 O 5 has a flake-like structure. The optical transmittance of the films has …

2021年2月3日 · Temperature-dependent extended X-ray absorption fine structure spectroscopy (T-EXAFS) reveals a gradual weakening of the bulk Nb dimers over a large temperature …

2016年9月29日 · Quantitative composition analysis from electron energy loss spectroscopy (EELS) showed the stoichiometry of the nominal 15 nm NbO 2 layer in the as-fabricated MIM …