Structural and Optical Properties of Nanocrystalline Hematite Mineral - H.Omran Alkhayatt, Adel;A.J. AL- Dahaa, Saadin;Kadhem Salman Alwan, Mustafa
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Hematite (Iron oxides) Fe2O3 are very common compounds and they are widespread in nature and readily synthesized in laboratory. In almost everywhere of the global system; atmosphere, biosphere, hydrosphere and lithosphere, iron oxides present. Iron oxides belongs to the class of semiconductors with controllable valence, its represent a group of materials having electrical conductivity between metals and insulators. Fe2O3 is a ferromagnetic, red-brown, and readily attacked by acids, and it is often called rust, and to some extent this label is useful, because it has several properties in common…mehr

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Produktbeschreibung
Hematite (Iron oxides) Fe2O3 are very common compounds and they are widespread in nature and readily synthesized in laboratory. In almost everywhere of the global system; atmosphere, biosphere, hydrosphere and lithosphere, iron oxides present. Iron oxides belongs to the class of semiconductors with controllable valence, its represent a group of materials having electrical conductivity between metals and insulators. Fe2O3 is a ferromagnetic, red-brown, and readily attacked by acids, and it is often called rust, and to some extent this label is useful, because it has several properties in common with rust and has a similar composition. To a chemist, rust is considered an ill-defined material, described as hydrated ferric oxide. In a variety of disciplines such as corrosion science, pure chemistry, medicine, industrial chemistry and soil science, iron oxides play important role. These iron oxides must be prepared in laboratory in order to be investigated for their own particular properties or as a starting material or catalyst for other processes.
Autorenporträt
*Dr.Adel H. Omran Alkhayatt; University of Kufa -Faculty of Science ; Research Interests; Thin films Nanomaterials; Semiconductors Devices. *Dr. Saadi. A.J. AL- Dahaan University of Kufa -Faculty of Science; Research Interests; Geochemistry; Ground Water; Environmental Geology.*Mustafa Kadhem Salman Alwan; Researcher in Material Science.