Specialists > Audiologists
Graphene...
TomS:
--- Quote from: P.I. on June 25, 2018, 11:48:40 AM ---
--- Quote from: TomS on June 15, 2018, 07:16:36 AM ---Recent article from Purdue Research:
Is tellurene the new graphene?
“The chiral-chain van der Waals structure of tellurene gives rise to strong in-plane anisotropic properties and large thickness-dependent shifts in Raman vibrational modes, which is not observed in other 2D layered materials.”
"Contrary to what you may think, this fragment was not written by AI, but by real researchers from Purdue University (USA) who have come up with a new material to make faster transistors with.
Tellurene is a two-dimensional crystal created from the rare element tellurium. Its special property that makes it interesting for use in electronics is the fact that electrons and holes move faster in it than in other materials. This property may be exploited to create faster transistors or smaller transistors that can switch higher currents.
Other important properties of tellurene are its stability at room temperature and the fact that it can be produced quite easily. Other tellurene-like two-dimensional materials, such as graphene, black phosphorus and silicene, are either not stable at room temperature or production in high quantities is difficult.
Also, compared to other 2D materials, tellurene crystals or flakes tend to be larger meaning less barriers in a tellurene semiconductor allowing it to carry higher currents.
Although tellurium is pretty rare, according to the researchers this is not a problem because only very small quantities are required."
Source: Purdue University
--- End quote ---
Tom, when you posted this it piqued my interest so I started doing some research. Some of the experimental recipes that we used at Philips Semiconductor utilized dimethyl telluride in epitaxy and I remember it as producing a really folder. I don't think we used it is implant... can't remember Too much inside baseball, sorry.
I think that any audioapplications will be limited to tellurium copper , at least for the near future, but I've been out of the semi industry for some years and don't know where it is headed there.
I'm busy enough with the graphene research I'm doing. Yikes!
--- End quote ---
Yes, for semi's it's all about smaller geometry and lower power, Gordon Moore et al ...
P.I.:
--- Quote from: TomS on June 25, 2018, 11:54:06 AM ---
Yes, for semi's it's all about smaller geometry and lower power, Gordon Moore et al ...
--- End quote ---
My son-in-law Brian is with ASM and we were talking about all of this a couple of days ago. They have a landscape/voltage/current density wall that they are up against in miniaturization that is proving to be a formidable task.
Quantum computers? Biological (virus) computing? Who knows?
jhrlrd:
Dave, in your testing have you tried the "perfect Path" contact enhancer?
It's supposed to do what the Graphene does, plus after it dries, forms a barrier
to further oxidization.
P.I.:
--- Quote from: jhrlrd on July 26, 2018, 10:35:20 AM ---Dave, in your testing have you tried the "perfect Path" contact enhancer?
It's supposed to do what the Graphene does, plus after it dries, forms a barrier
to further oxidization.
--- End quote ---
Nope. I'm trying to put out products that are over achievers in the performance/expense arena. While graphene nano flake is expensive its beauty is that it takes VERY little to work its magik.
The hardest part of bringing P.I. Graphene to market was finding the proper formula for the carrier chemical. It is comprised of 7 different materials of which a small percentage is a volitile diluent. The rest of the carrier is non-volatile and forms a single molecule thick agent under pressure. This carries the graphene. It is formulated to prevent oxidation in the point of contact by making an air excluding barrier.
I guess it is two different approaches to a common problem.
steve:
--- Quote ---The Jena Labs enhancer is the best I've tried so far as to slowing oxidation. Now, with the Mad Scientist goo life is getting easier.
--- End quote ---
I can vouch for liking Jenalabs enhancer. My experience is a little different, but still good. I used the enhancer on the tube pins of my amplifier and it made the voices/music slightly more dense, certainly more real, which I like.
When I used it on input, output, preamplifier, speaker jacks/plugs, the sound because just slightly less dense across the board. So I am using it only on my amp tube pins. (My 11A was specially listening tested without any enhancer, to be accurate, so not used on/in the 11A.)
I guess one could say that I was fine tuning my audio system for optimum, natural reproduction. I recommend Jenalabs enhancer.
I have not tried any other products; just spray cleaning of jacks, plugs, tube pins with no residue cleaner.
cheers
steve
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