Examples of inorganic oxides that may suitably be used as {HEAD ~ the layer} of {TAIL ~ intermetallic diffusion barrier particles} include alumina, silica, zirconia, stabilized zirconias such as yttria or ceria stabilized zirconia, titania, ceria, silicon, carbide, chromium oxide, ceramic materials, and zeolites 
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Examples of inorganic oxides that may suitably be used as { HEAD ~ the layer } of { TAIL ~ intermetallic diffusion barrier particles } include alumina , silica , zirconia , stabilized zirconias such as yttria or ceria stabilized zirconia , titania , ceria , silicon , carbide , chromium oxide , ceramic materials , and zeolites
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