Due to its unique properties, germanium has a wide range of applications in the semiconductor industry. Application of Germanium in Semiconductor Crystal Growth:Germanium plays a crucial role in the growth process of semiconductor crystals as a matrix material. By skillfully introducing germanium, we can significantly optimize the quality and internal structure of silicon crystals, thereby enhancing the overall performance and reliability of silicon products. Preparation and Application of Germanium Thin Films: Germanium can be processed into thin films, which have a wide range of applications in the manufacture of devices such as field-effect transistors (FETs) and photovoltaic cells. With its excellent electrical and optical properties, germanium thin films can greatly improve the operating efficiency of these devices.Germanium's Contribution in the Field of Optoelectronic Devices: Germanium also demonstrates great potential for application in the field of optoelectronic devices. Especially in areas such as high-speed communication and optical sensing, germanium photodetectors, with their high absorption rate in the near-infrared band, can extremely sensitively receive optical signals, ensuring smooth communication and accurate sensing.Germanium's Important Role in Infrared Technology: Due to its high infrared absorption properties, germanium also plays a pivotal role in infrared technology. Germanium infrared sensors are widely used in high-tech equipment such as night vision devices and infrared thermal imagers, providing powerful technical support for military, security, and other fields.