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X‐ray spectroscopic investigation of the electronic structure of diamond
Author(s) -
Umeno M.,
Wiech G.
Publication year - 1973
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220590113
Subject(s) - diamond , semimetal , atomic physics , valence (chemistry) , spectral line , electronic band structure , excitation , density of states , materials science , electronic structure , spectrometer , molecular physics , chemistry , condensed matter physics , band gap , optics , optoelectronics , physics , computational chemistry , organic chemistry , quantum mechanics , astronomy , composite material
The X‐ray K‐emission band and the so‐called self‐absorption spectrum of diamond have been measured with a concave grating spectrometer using primary excitation. The results are compared quantitatively with recent calculations of the energy band structure, and with the density of states of the valence and conduction bands of diamond. From the experiment the width of the valence band is determined to about 21 eV, while the calculated width varies from 19 up to 31 eV. It is found that structural features in the density‐of‐states curve to a high degree are reflected in the K‐band. X‐ray emission bands together with X‐ray photoelectron spectra seem to yield valuable information about the electronic structure of the valence band of second period elements.