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| Started by | Sam Wormley <swormley1@gmail.com> |
|---|---|
| First post | 2015-11-26 19:43 -0600 |
| Last post | 2015-11-27 01:55 +0000 |
| Articles | 2 — 2 participants |
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Graphene microphone outperforms traditional nickel and offers ultrasonic reach Sam Wormley <swormley1@gmail.com> - 2015-11-26 19:43 -0600
Re: Graphene microphone outperforms traditional nickel and offers ultrasonic reach jimp@specsol.spam.sux.com - 2015-11-27 01:55 +0000
| From | Sam Wormley <swormley1@gmail.com> |
|---|---|
| Date | 2015-11-26 19:43 -0600 |
| Subject | Graphene microphone outperforms traditional nickel and offers ultrasonic reach |
| Message-ID | <krCdne8c0_imKMrLnZ2dnUU7-L8AAAAA@giganews.com> |
Graphene microphone outperforms traditional nickel and offers ultrasonic reach > http://phys.org/news/2015-11-graphene-microphone-outperforms-traditional-nickel.html > Scientists have developed a graphene based microphone nearly 32 times > more sensitive than microphones of standard nickel-based > construction. > > The researchers, based at the University of Belgrade, Serbia, created > a vibrating membrane - the part of a condenser microphone which > converts the sound to a current - from graphene, and were able to > show up to 15 dB higher sensitivity compared to a commercial > microphone, at frequencies up to 11 kHz. > > The results are published today, 27th November 2015, in the journal > 2D Materials. > > "We wanted to show that graphene, although a relatively new material, > has potential for real world applications" explains Marko Spasenovic, > an author of the paper. "Given its light weight, high mechanical > strength and flexibility, graphene just begs to be used as an > acoustic membrane material." -- sci.physics is an unmoderated newsgroup dedicated to the discussion of physics, news from the physics community, and physics-related social issues.
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| From | jimp@specsol.spam.sux.com |
|---|---|
| Date | 2015-11-27 01:55 +0000 |
| Message-ID | <hppkic-uq4.ln1@mail.specsol.com> |
| In reply to | #535787 |
Sam Wormley <swormley1@gmail.com> wrote: > Graphene microphone outperforms traditional nickel and offers ultrasonic > reach >> http://phys.org/news/2015-11-graphene-microphone-outperforms-traditional-nickel.html > > >> Scientists have developed a graphene based microphone nearly 32 times >> more sensitive than microphones of standard nickel-based >> construction. >> >> The researchers, based at the University of Belgrade, Serbia, created >> a vibrating membrane - the part of a condenser microphone which >> converts the sound to a current - from graphene, and were able to >> show up to 15 dB higher sensitivity compared to a commercial >> microphone, at frequencies up to 11 kHz. >> >> The results are published today, 27th November 2015, in the journal >> 2D Materials. >> >> "We wanted to show that graphene, although a relatively new material, >> has potential for real world applications" explains Marko Spasenovic, >> an author of the paper. "Given its light weight, high mechanical >> strength and flexibility, graphene just begs to be used as an >> acoustic membrane material." Was it sustainable, quantum, nano graphene? -- Jim Pennino
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