TEM and EELS characterization of Ni–Fe layered double ... - Nature
Mar 10, 2021 · Electron irradiation of Ni–Fe layered double hydroxides (LDHs) was investigated in the transmission electron microscope (TEM). The initial structure possessed a flat hexagonal morphology made...
Structural transformation of layered double hydroxides: an in situ TEM ...
Feb 21, 2018 · In this report, we applied in situ transmission electron microscopy (TEM) to extensively characterise the thermal progressions of nickel-iron containing (Ni-Fe) LDH nanomaterials. The...
Crystal and electronic facet analysis of ultrafine Ni - Nature
Jul 15, 2021 · Here, by employing 31 P solid-state nuclear magnetic resonance aided by advanced density functional theory calculations to obtain and assign the Knight shifts, we succeed in determining the crystal...
In Situ TEM Investigation of Structural Changes in Ni Nanoparticle ...
Feb 9, 2021 · In this study, microstructural changes, which relate to catalytic degradation for reforming hydrocarbons, in Ni nanocatalysts were observed in situ in oxygen, hydrogen, and methane atmospheres at elevated temperatures using an …
Microstructure and oxidation of NiCr alloys studied by analytical
Nov 1, 2023 · In this study, the microstructures and elemental compositions of NiCr Alloys with concentrations of 10–50 at% Cr were carried out to reveal the intrinsic mechanism by analyzing this dynamic oxidation process.
Synthesis of Ni nanoparticles and their characterizations
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.
UCI忻获麟教授团队Matter：原位TEM揭示无钴高镍锂电正极材料失效机制 …
Apr 19, 2021 · 近日，加州大学尔湾分校（UCI）的忻获麟（Huolin Xin）教授团队及其合作者在Cell Press旗下期刊Matter 上发表研究论文，利用原位和三维TEM技术，深入解析了无钴高镍氧化物正极材料在热失控条件下的失效机制。他们发现O1相（O1 phase）是岩盐（rock-salt）相转变的 …
Nano Letters | Climate TEM 原位气相实验助力揭示镍纳米颗粒温度 …
Sep 26, 2023 · 借助透射电镜(TEM)技术，浙江大学的王勇教授及其团队成员研究了大气压下不同温度时镍纳米颗粒的氧化过程，揭示了镍纳米颗粒温度依赖的氧化行为(图 1), 相关研究成果以 "Revealing Temperature-Dependent Oxidation Dynamics of Ni Nanoparticles via Ambient Pressure Transmission Electron ...
Growth mechanism of Ni on the graphite particles regulated by …
Dec 1, 2023 · The microstructure of resultant particles was characterized by XRD, SEM, EDS and TEM. At the OH − ionic concentration of 0.75 M, tiny thorn–like Ni particles with a length of approximately 150 nm grew on the graphite after the electroless plating.
FeCr 15 Ni 15 单晶600 ℃下热生长氧化膜的TEM观察 - jcscp.org
本文利用像差校正透射电子显微镜 (TEM) 对奥氏体单晶在600 ℃下形成的热生长氧化膜的结构特征进行了精细表征分析，以期在原子尺度下对金属的高温氧化过程给予新的理解。 实验选用的材料为FeCr 15 Ni 15 单晶奥氏体不锈钢棒。 利用单晶衍射仪进行取向测定，得到两个相互垂直的晶体学方向 [001]和 [110]。 利用线切割将单晶棒沿着 (001) 和 (110) 面切成1.3 mm×2.2 mm×1.5 mm的长方体，预磨后在10% (体积分数) 的高氯酸酒精抛光液中进行电化学抛光，随后分别在丙酮和 …