Germanium is a semiconductor in group IVA of the periodic table. It has an atomic number of 32, an atomic weight of 72.59, and a density of 5.32 Mg/m 3. Its melting temperature is 937.4 C. Germanium ...

gallium oxide, gallium phosphide, gallium selenide and indium gallium arsenide. They will also apply to six germanium products: germanium dioxide, germanium epitaxial growth substrate, germanium ...

G-ray’s original idea was to grow germanium crystals directly onto CMOS (complementary metal-oxide-semiconductor) processed silicon wafers. However, CMOS is ill-suited to the temperatures needed ...

(Bloomberg) -- Two obscure yet crucial metals, gallium and germanium, are the latest pawns in the escalating US-China trade war. On Dec. 3, China announced an export ban on both metals to the US ...

BANGKOK (AP) — China announced Tuesday it is banning exports to the United States of gallium, germanium, antimony and other key high-tech materials with potential military applications ...

resulting in ohmic contacts and significantly lower contact resistance in germanium devices[1][2]. Another innovative method involves the use of reduced graphene oxide (rGO) as an interlayer in ...

Current coming in one contact would cause the germanium crystal to boost the strength ... are field-effect transistors -- specifically metal-oxide semiconductor field-effect transistors, or ...