Direct Observation of Atomic Surface Structures of CeO2 Nanoparticles
Jianguo Wen, Yuyuan Lin, Zili Wu, Kenneth R Poeppelmeier, Laurence D Marks; Direct Observation of Atomic Surface Structures of CeO2 Nanoparticles, Microsco
Materials Literature
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Oxygen Vacancies at Grain Boundaries in Doubly-Doped Ceria Determined using EELS
W J Bowman, J Zhu, Z Hussaini, P A Crozier; Oxygen Vacancies at Grain Boundaries in Doubly-Doped Ceria Determined using EELS, Microscopy and Microanalysis,
Nanodiffraction Characterization of Grain Boundary Structures in Nanocrystalline MgAl2O4 prepared by Electric Field Assisted Sintering
Jorgen F Rufner, Thomas LaGrange, Ricardo HR Castro, Klaus van Benthem; Nanodiffraction Characterization of Grain Boundary Structures in Nanocrystalline Mg
Surface energy controlled growth of single crystalline two-dimensional hexagonal (h)-boron nitride
Two-dimensional (2D) nanomaterials, including graphene and boron nitride (BN), have been of intense interest in recent years due to their exceptional electronic, thermal, and mechanical properties. Tailoring these novel properties to their maximum potential requires precise control of the atomic layer growth process.…
Electroluminescent diodes in n-doped germanium with Schottky contacts
We demonstrate room temperature electroluminescence with Schottky contacts on n-doped germanium. We show that the electrical response and electroluminescence can be optimized by inserting a thin Al2O3layer prior to contact formation.
Direct Observation of Li2O2 Nucleation and Growth with In-Situ Liquid ec-(S)TEM
B Layla Mehdi, Eduard N Nasybulin, Wu Xu, Edwin Thomsen, Mark H Engelhard, Robert C Massé, Meng Gu, Wendy Bennett, Zimin Nie, Chongmin Wang, Ji-Guang Zhang
Development of low carrier density graphene devices
Epitaxial graphene on SiC(0001) is used to fabricate Hall bar structures for metrological applications with a fabrication process that has been developed to eliminate organic chemical contamination of the graphene. Before any lithographic patterning a metal protection layer of 15 nm thickness is deposited on as-grown…
Correlative X-ray and Electron Spectroscopy of the Materials-Biology Interface Reveals Insights into Impact of Engineered Nanomaterials on Human Physiology
analysis, combined with confocal microscopy of live cells, demonstrated that the AgNWs penetrated through the plasma membrane of type 1 epithelial cells and distributed within the cytoplasm and endosomes. The AgNWs were dissolved inside the cells and subsequently transformed into highly insoluble Ag 2 S. We suggest th…
Comparison of Principal Component Analysis and Multivariate Curve Resolution-Alternating Least Squares Analysis of XPS Spectral Maps
F B Lavoie, N Braidy, S Biais, R Gosselin; Comparison of Principal Component Analysis and Multivariate Curve Resolution-Alternating Least Squares Analysis
Silver nanowires effect on photoluminescence of ZnO films deposited on different substrates with graphene oxide paper
Graphene oxide (GO) paper and Ag nanowires/GO compound (Ag NWs/GO) paper are fabricated by vacuum filtration method, and then ZnO films are deposited on GO paper and Ag NWs/GO paper, respectively, using magnetron sputtering. Morphology, crystal structure, and optical properties are analyzed. X-ray diffraction (XRD) re…
Extraction of Metastable Icosahedral Quasicrystalline Nanoparticles from Zirconium and Hafnium Based Metallic Glasses
Michael Bauer, Dingqiang Li, Matt Caputo, Limin Wang, Chunfei Li; Extraction of Metastable Icosahedral Quasicrystalline Nanoparticles from Zirconium and Ha
Xenon Focused Ion Beam in the Shape Memory Alloys Investigation - The Case of NiTi and CoNiAl
J Kopeček, K Jurek, V Kopecký, L Klimša, H Seiner, P Sedlák, M Landa, J Dluhoš, M Petrenec, L Hladík, A Doupal, O Heczko; Xenon Focused Ion Beam in the Sha
Effect of GDC buffer layer in SOFC technology
Anode support cell is one the most common configuration fuel cell used in the SOFC technology. The major problem of this technology is the high reactivity between electrolyte (YSZ) and cathode (LSC). One solution to overcome this problem consists in applying a buffer layer to avoid reactivity phenomenon. Three differe…
Characterization of Individual Nanoparticles with Nanoprojectile-SIMS
A B Clubb, C K Liang, S V Verkhoturov, E A Schweikert; Characterization of Individual Nanoparticles with Nanoprojectile-SIMS, Microscopy and Microanalysis,
Double grating antireflection nanostructure based on nano-cone
A type of half-embedded cone grating nanostructure is proposed for antireflection (AR). It can achieve reflectance of down to 0.5% under normal incidence and 6% under incidence angle as large as 40 degrees in the 300-1100 nm wavelength range. Besides, it can maintain good performance in a large dimension range with a…
High conformity sidewall ZnO nanorods via hydrothermal method
High conformity sidewall ZnO nanorods are manufactured on etched Si by hydrothermal method. The temperature is fixed at 90 degree Celsius. The morphology of ZnO nanorods is examined by scanning electron microscopy. Also, the results show that we successfully spin coat ZnO seed layer on the sidewalls of grooves. Moreov…
Microanalysis Species ZnO /Zn(OH)2 Obtained by Chemical Precipitation
A Medina-Flores, L Béjar-Gómez, R Vargas-Bernal, G Herrera-Pérez; Microanalysis Species ZnO /Zn(OH)2 Obtained by Chemical Precipitation, Microscopy and Mic
New method to cover powder substrates with metallic nanoparticles by magnetron sputtering
This article reports a new method to cover powder substrates with metallic nanoparticles (NPs) via an electro-magnetic vibrational device adapted to magnetron sputtering equipment. In the present work, it is presented the deposition of Cu, Au, Ni and Pd over three different substrates, Al2O3, SBA15 and Lipase, each on…
Inorganic Two-Dimensional Materials under Electron Irradiation: Stability, Evolution of the Atomic Structure, and Beam-Mediated Doping
Isolation of a single sheet of graphene indicated that strictly two-dimensional (2D) materials can exist at finite temperatures. Indeed, inorganic 2D systems such as hexagonal BN sheets, transition metal dichalcogenides (TMD) with a common structural formula MeX 2 , where Me stands for transition metals (Mo, W, Ti, et…
Measuring the Strain Sensitivity in Si (001) Electron Channeling Patterns Using Higher-order Laue Zone Line Shifts
Joel Lammatao, Lisa Chan, Tony Owens, Marc De Graef, Yoosuf N Picard; Measuring the Strain Sensitivity in Si (001) Electron Channeling Patterns Using Highe