In germanium crystal, the forbidden energy gap in joule is:
In germanium, the energy gap is about 0.75 eV . The wavelength of light which germanium starts absorbing is
Fermi energy of an intrinsic semiconductor
Band gap - Wikipedia
Metal Impurities in Silicon- and Germanium-Based Technologies | springerprofessional.de
Band gap - Wikipedia
Determination of the Band-Gap of a Semiconductor: Germanium Chip Using Four Probe Set-Up
Kesterite solar cells: germanium promises better opto-electronic properties than tin - Helmholtz-Zentrum Berlin (HZB)
Electronic band structure for Si, Ge and α -Sn. Eg and E Γ are the... | Download Scientific Diagram
Particle Detectors
Fermi level and Fermi function
Band Gap - Energy Gap in Semiconductors | nuclear-power.com
Band gap - Wikipedia
Zinc germanium nitrides and oxide nitrides: the influence of oxygen on electronic and structural properties - Faraday Discussions (RSC Publishing) DOI:10.1039/D2FD00041E