Ni is Copper structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ni is bonded to twelve equivalent Ni atoms to form a mixture of corner, edge, and face-sharing NiNi12 cuboctahedra. All Ni–Ni bond lengths are 2.48 Å.

Hydrogen reduction of porous bulk NiO particles has been studied with in situ hot-stage X-ray diffraction (XRD) in the temperature range 175–300 °C. This technique has the ability to measure NiO...

The XRD pattern of Ni/BC demonstrates the dispersed the nickel nanoparticles as indicated by the peaks at 2θ of 45°, 52.3°, and 77.4° refer to JCPDS: 03-1051 [11].

May 15, 2023 · This work offers a new and facile route to prepare metastable hcp Ni with metal and non-metal dual doping modulation, and highlights that unusual crystal phase design synergistic with multiple doping engineering is powerful to tailor electronic configuration and catalytic properties of the electrocatalysts.

Jun 25, 2003 · Hydrogen reduction of porous bulk NiO particles has been studied with in situ hot-stage X-ray diffraction (XRD) in the temperature range 175–300 °C. This technique has the ability to measure NiO disappearance and Ni appearance simultaneously, together …

Jul 28, 2020 · In this research, Ni-MNPs with mirror properties are synthesized for the first time by a simple method at ambient temperature in the water as an eco-friendly solvent. The synthesized NMMNs are...

Nov 1, 2014 · The morphology and structure of the synthesized Ni nanoparticles were characterized by transmission electron microscopy (TEM), powder X-ray diffraction (XRD), QELS data and infrared spectroscopy (IR). The result shows that Ni nanoparticles are of high purity and the average size of Ni nanoparticles was found to be 13 ± 2 nm.

Mar 26, 2020 · The X-ray diffraction (XRD) pattern of electrodeposited Ni is shown in Fig. 1a. The XRD pattern contains the first three reflections of the face-centered cubic Ni.

Feb 10, 2021 · Electron energy-loss spectroscopy (EELS) and X-ray photoelectron spectroscopy (XPS) reveal a Ni deficiency and density functional theory (DFT) calculations demonstrate the Ni vacancy induces a...

Feb 21, 2017 · XRD patterns of annealed Ni-Sn nanoparticles with initial molar ratio Ni:Sn = 6:1 revealed the formation of the Ni 3 Sn phase besides pure Ni. Annealed nanoparticles with Ni:Sn = 2:1 contained Ni and Ni-Sn phases; while only the Sn phase could be distinguished from the XRD pattern of Ni-Sn nanoparticles with an initial molar ratio Ni:Sn = 2:3.