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It is presented a detailed structural characterization of a nanostructured form of molybdenum disulfide. The material consists of a layer of highly textured molybdenum sulfide growing off a molybdenum dioxide core. The structure and chemical composition of the synthesized nanostructured sulfide was compared to two well-known forms of molybdenum disulfide, i.e. a commercial molybdenite sample and a...
This article presents a microstructural study of a set of samples from the treasure of tomb 7 of Monte Alban, Oaxaca, in southeast Mexico. The purpose of this work was to elucidate the manufacturing methods used by the pre-Columbian artisans of the Oaxaca valley. An additional goal was to establish a point of comparison between Mesoamerican cultures and cultures in some other regions of the Americas...
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