Estimation of the band gap of InPO4
- 1 April 1983
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 42 (7) , 589-591
- https://doi.org/10.1063/1.94003
Abstract
The band gap of a thin layer of InPO4 was estimated to be 4.5 eV using a novel approach employing ultraviolet photoelectron spectroscopy and electron energy loss spectroscopy. The technique measures the conduction‐band minimum and valence‐band maximum referenced to the In 4d core line energy. Since this technique is highly surface sensitive, it can be used to measure the band gap of a thin layer. This parameter is difficult to measure in such layers using conventional techniques.Keywords
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