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Groups > sci.physics > #535802
| From | jimp@specsol.spam.sux.com |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: Graphene microphone outperforms traditional nickel and offers ultrasonic reach |
| Date | 2015-11-27 01:55 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <hppkic-uq4.ln1@mail.specsol.com> (permalink) |
| References | <krCdne8c0_imKMrLnZ2dnUU7-L8AAAAA@giganews.com> |
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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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
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