![Band gap profiles of intrinsic amorphous silicon germanium films and their application to amorphous silicon germanium heterojunction solar cells - ScienceDirect Band gap profiles of intrinsic amorphous silicon germanium films and their application to amorphous silicon germanium heterojunction solar cells - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0925346715301075-gr4.jpg)
Band gap profiles of intrinsic amorphous silicon germanium films and their application to amorphous silicon germanium heterojunction solar cells - ScienceDirect
![Crystals | Free Full-Text | Towards a Germanium and Silicon Laser: The History and the Present | HTML Crystals | Free Full-Text | Towards a Germanium and Silicon Laser: The History and the Present | HTML](https://www.mdpi.com/crystals/crystals-09-00624/article_deploy/html/images/crystals-09-00624-g002.png)
Crystals | Free Full-Text | Towards a Germanium and Silicon Laser: The History and the Present | HTML
![What is a wide-band-gap semiconductor? | Toshiba Electronic Devices & Storage Corporation | Europe(EMEA) What is a wide-band-gap semiconductor? | Toshiba Electronic Devices & Storage Corporation | Europe(EMEA)](https://toshiba.semicon-storage.com/content/dam/toshiba-ss/shared/image/design-support/Frequently%20Asked%20Questions/diode/sic-sbd/sbd001_en.png)
What is a wide-band-gap semiconductor? | Toshiba Electronic Devices & Storage Corporation | Europe(EMEA)
![RP Photonics Encyclopedia - band gap, dielectrics, semiconductors, metals, energy, electronic levels, band gap wavelength, absorption, emission, fluorescence RP Photonics Encyclopedia - band gap, dielectrics, semiconductors, metals, energy, electronic levels, band gap wavelength, absorption, emission, fluorescence](https://www.rp-photonics.com/img/indirect_bandgap.png)