
Kinetically stabilized ferroelectricity in bulk single-crystalline HfO2 ...
2021年1月25日 · HfO 2, a simple binary oxide, exhibits ultra-scalable ferroelectricity integrable into silicon technology. This material has a polymorphic nature, with the polar orthorhombic …
Epitaxial Ferroelectric HfO2 Films: Growth, Properties, and Devices
2021年4月13日 · Epitaxy of HZO was confirmed by reflection high-energy electron diffraction and TEM. XRD characterization (symmetrical scans) showed peaks that were indexed as o …
Probing resistive switching in HfO2/Al2O3 bilayer oxides using in …
2023年4月1日 · We employ TEM imaging to observe the real-time morphological and structural changes in the RRAM device in response to the electrical stimulus. These electrically stressed …
The Development of Low-Temperature Atomic Layer Deposition of HfO2 …
Abstract: In this study, the method of low-temperature atomic layer deposition (ALD), which is applied on the soft photo-resist (PR) substrate forming hafnium dioxide (HfO2) at 40°C to …
TEM‐Based Metrology for HfO2 Layers and Nanotubes Formed in …
2008年7月31日 · A transmission electron microscopy (TEM) methodology is developed and applied to quantify the ALD conformality in the nanopores (thickness as a function of depth), …
Controlling the crystallinity of HfO2 thin film using the surface ...
2022年7月15日 · TEM analysis was conducted to investigate the micro-structure of the HZO films depending on the layer thickness of HfO 2 (Fig. 3). In the cases of H3ZO, the energy …
(a) Typical TEM image of high-HfO 2 /HfAlO/HfO 2
(a) Typical TEM image of high-HfO 2 /HfAlO/HfO 2 nanolaminate charge trapping layers with high-Al 2 O 3 as blocking oxide. A line profile of Hf and Al elements measured by EDS using a …
Enhanced physical and electrical properties of HfO2 deposited by …
2023年11月1日 · In this paper, HfO 2 thin films were deposited by ALD process using a novel precursor modified with a cyclopentadienyl-based ligand to improve thermal stability, and the …
The Development of Low-Temperature Atomic Layer Deposition of HfO2 …
2018年7月1日 · In this study, we investigate atomic layer deposited hafnium dioxide (ALD HfO2) as an insulating film to coat planar platinum microelectrodes, with the active areas being …
存储器设备:基于原位TEM研究的基于HfO2的电阻随机存取存储 …
结果表明,在倾斜的电偏压下,氧化层中逐渐产生了氧空位,从而形成了导电通道,并且在氧化f层的顶部界面处发生了开关过程。 Resistive switching processes in HfO are demonstrated by …