2
\$\begingroup\$

I've read a great deal about the development of Germanium field effect transistors and HJTs but are they actually been manufactured commercially? If so where can I buy them? I already know where to get Germanium diodes but I want MOSFETs if they're available.

\$\endgroup\$
  • 1
    \$\begingroup\$ You say germanium heterojunction, but that implies another material. Silicon germanium HBT IC processes have been available for a while, and there are commercially available parts with them. \$\endgroup\$ – W5VO Feb 17 '16 at 3:36
  • \$\begingroup\$ And why, exactly, do you want Ge MOSFETs? \$\endgroup\$ – WhatRoughBeast Feb 17 '16 at 4:21
  • \$\begingroup\$ @WhatRoughBeast: Because Ge has some very interesting properties that make it more useful than silicon for analog circuits. It has a higher electron mobility and lower barrier potential which is VERY useful for hardware random number generators. \$\endgroup\$ – Mr X Feb 18 '16 at 5:59
1
\$\begingroup\$

Short answer NO

These are still in the research/development phase and will not be available for purchase any time in the near future. If you see them available for purchase, they are quite likely a scam or unreliable. The only people I forsee selling these in the next 2 years also sell fake Persian rugs.

\$\endgroup\$
  • \$\begingroup\$ Does this also apply to Si-Ge heterojunction transistors too? \$\endgroup\$ – Mr X Feb 18 '16 at 5:58
  • \$\begingroup\$ Yes, it should. \$\endgroup\$ – Daniel Feb 18 '16 at 22:24

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.