Web49 minutes ago · In this work, a vertical N-I-P germanium (Ge) photodetector (PD) with a multi-mode waveguide input is presented. The fabricated devices exhibit a low dark current of 10 nA at bias of −1 V, and a high responsivity of exceeding 0.75 A/W over the wavelength range from 1270 to 1350 nm. High-frequency characteristics measurements … WebFind many great new & used options and get the best deals for VINTAGE H&G AG220 POCKET GERMANIUM CRYSTAL RADIO, 1958, MADE IN JAPAN, BOXED. at the best online prices at eBay! Free delivery for many products!
High-Resolution Gamma-Ray Spectroscopy with HPGe Detectors …
WebJun 6, 2024 · Point defects are crucial in determining the quality of germanium crystals. A quantitative understanding of the thermodynamic formation properties of the point defects is necessary for the subsequent … WebA set of two-dimensional numerical simulations of the Czochralski growth of germanium crystals were performed in order to study the effect of the crystal pulling rate and … cyber photo สยาม
Germanium - Crystal Structure - Periodic Table
WebGermanium is widely distributed in nature but is too reactive to occur free. Primary minerals include argyrodite (from which it was first isolated), germanite, renierite, and canfieldite, … WebJan 28, 2024 · Silicon and Germanium are examples of covalent crystals. In these solids the atoms are linked to each other by covalent bonds rather than by electrostatic forces or by delocalized valence electrons that work … WebJun 28, 2024 · Components required for a crystal radio are: 1. A good aerial/antenna made of 18 to 36 metres (60 to 120 feet) long enameled copper wire (18 or 20 SWG), or insulated copper wire (hook-up wire: 14/36 ) at a height of 6 to 9 metres (20 to 30 feet). 2. A good earth connected to a metallic water pipe through a tap. cyber phrases