4. A. A Nb Os-TiO2 becomes a semiconductor at temperatures greater than 1000°C with doubly charged niobium interstitials

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4. A. A Nb Os-TiO2 becomes a semiconductor at temperatures greater than 1000°C with doubly charged niobium interstitials

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4 A A Nb Os Tio2 Becomes A Semiconductor At Temperatures Greater Than 1000 C With Doubly Charged Niobium Interstitials 1
4 A A Nb Os Tio2 Becomes A Semiconductor At Temperatures Greater Than 1000 C With Doubly Charged Niobium Interstitials 1 (22.83 KiB) Viewed 51 times
4. A. A Nb Os-TiO2 becomes a semiconductor at temperatures greater than 1000°C with doubly charged niobium interstitials and oxygen vacancies. Your engineering 30 25 colleague argues strongly that these niobium and oxygen ionic defects convert niobate into a p-type semiconductor - is he correct and why? B. Is the semiconductor n-type or p-type, if AlO3 is added to Nb Os and why? C. Explain the characteristics of the conduction and valence band showing the differences among metals, insulators and semiconductors 30
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