| http://www.w3.org/ns/prov#value | - Further, instead of the titanium (Ti) film, a single layer of an element selected from tungsten (W), tantalum (Ta), molybdenum (Mo), neodymium (Nd), cobalt (Co), zirconium (Zr), zinc (Zn), ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), or platinum (Pt), or an alloy material or a compound material including such elements as its main component, or a nitride of such elements
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