(Nanowerk News) To develop advanced materials, a deep understanding of their underlying microstructure and chemistry is necessary. Knowing how defects influence the interplay between microstructure ...
Researchers in the US, Germany, Singapore and Spain have developed a new technique to obtain images of grain-boundary defects in graphene by analysing the behaviour of surface plasmons. Their study ...
Most solid materials, both those formed naturally and those fabricated for technological applications, are polycrystalline. In other words, they consist of a complex arrangement of grains within which ...
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In the quest to design more efficient solar cells and light-emitting diodes (LEDs), a team of engineers has analyzed different types of defects in the semiconductor material that enables such devices ...
In a collaboration with Institute of Physics at the Chinese Academy of Sciences (IPCAS), researchers from Beijing University of Technology (BJUT) discovered a new type of grain-interior planar defect ...
Figure 1: First-principles calculations of Ca and O vacancy formation energy in bulk YBCO. Figure 2: Structural differences in pristine and Ca-doped YBCO. The correlated energy-loss spectra were ...
Silicon carbide after irradiation, in which loose carbon atoms (green) move toward the boundary (dashed line) between grains of the crystalline ceramic. Courtesy: Hongliang Zhang Grain boundaries in ...
Engineers have studied the structure and properties of the commonly occurring planar defects at the atomic scale, which spans only a few tenths of a nanometer. In the quest to design more efficient ...
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